how many atoms are there in 2 moles of oxygen molecules?

Answers

Answer 1

There are 12.044 × 10^23 oxygen molecule present in 2mole of oxygen molecule.

According to the context, the word may as well as may not encompass ions that meet this requirement. A molecule is a collection of two as well as more atoms linked together by the attractive forces described as chemical bonds.

The lowest unit into which a substance could be divided while still being the same substance would be a molecule. It is composed of two as well as more atoms which are chemically bonded to one another.

1 mole of oxygen = 1 O2 molecule

2 mole = 2 O2 molecule = 2 × 6.022 × 10^23 molecule = 12.044 × 10^23 molecule

Thus, 2 mole of oxygen will have 12.044 × 10^23 molecule

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Related Questions

Write a mechanism for the formation of triphenylmethanol from the reaction of phenylmagnesium bromide and diethyl carbonate..

Answers

Nucleophilic acyl substitution reaction is the mechanism for the formation of triphenylmethanol from the reaction of phenylmagnesium bromide and diethyl carbonate.

Phenyl magnesium bromide substitutes one ethoxide ion in the nucleophilic acyl substitution reaction that drives the process forward. A subsequent equivalent of phenyl magnesium bromide produces triphenyl methanol through a nucleophilic addition reaction with the resultant keto group.

There are two ethoxy leaving groups in diethyl carbonate. Tertiary alcohol is created when diethyl carbonate combines with too much Grignard reagent. The Grignard reagent attacks the carbonyl carbon three times in the mechanism to produce the tertiary alcohol.

Therefore, Nucleophilic acyl substitution reaction is the mechanism for the formation of triphenylmethanol from the reaction of phenylmagnesium bromide and diethyl carbonate.

Refer to the image below for a better understanding of the mechanism;

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A nuclear reaction can be controlled using which of the following?
Select one or more:
a. control rods
b.water to disperse the heat
c.large containers
d. small containers

Answers

Control rods is regarded as a substance which can control nuclear reaction and is denoted as option A.

What is Nuclear reaction?

This is a type of reaction which involves the nuclei of an atom being split or joined together and is usually accompanied with a great amount of energy emitted in the form of heat.

The two types of nuclear reaction include:

Nuclear fusionNuclear fission

Nuclear fusion involves the collision of two or more nuclei in other form a new atom while nuclear fission involves splitting the atoms to form other products and involves a very high amount of energy and exposure to organisms should be prevented as the radiations can alter DNA.

Control rods are commonly used in nuclear reactors and control the rate of  fission in the fuel used. This is therefore the reason why it was chosen as the most appropriate choice.

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The gas arsine, AsH3, decomposes as follows: In an experiment at a certain temperature, pure AsH3(g) was placed in an empty, rigid, sealed flask at a pressure of 392.0 torr. After 48 hours the pressure in the flask was observed to be constant at 488.0 torr. a. Calculate the equilibrium pressure of H2(g). b. Calculate Kp for this reaction

Answers

The equilibrium pressure of [tex]H_{2}[/tex] is 288 torr. and [tex]K_{p}[/tex] for this reaction is 0.786 atm.

from the reaction:-        [tex]2AsH_{3}[/tex] ⇄ [tex]2As + 3H_{2}[/tex]

initial concentration     392 torr.              0

at equilibrium.              392 - [tex]2x[/tex].               [tex]3x[/tex]

and the final pressure in the flask = 488 torr.

Hence,

[tex]( 392 - 2x ) + 3x = 488\\ x = 488-392\\x = 96 torr.[/tex]

The partial  pressure of [tex]H_{2}[/tex] is 3 × 96 =  288 torr.

and [tex]AsH_{3}[/tex] is 392 - ( 2 × 96 ) = 392 - 192 = 200 torr.

Now, to find [tex]K_{p}[/tex] for this reaction, we will use [tex]K_{p} = \frac{(P_{H_{2} })^{2} }{( P_{AsH_{3} } )^{2}}[/tex]

putting all the values, we get,

[tex]K_{p} = \frac{(288)^{3} }{(200)^{2} }[/tex]

     = 597.1968 torr.

     = 0.786 atm.  ( 1 atm = 760 torr. )

what do you mean by equilibrium?

Equilibrium in chemistry is the phase that exists when a chemical reaction and its opposite reaction happen at the same rates. This word's Latin origin dates back to the prefix aequi-, which means equal, and lbra, that indicates scale or balance.

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Sodium phosphate dissolves as follows: na3po4(s) → 3na (aq) po4-(aq). How many moles of na3po4 are required to make 1. 0 l of solution in which the na concentration is 0. 15 m?

Answers

The 0.05 moles of [tex]Na_{3}PO_{4}[/tex] required to make 1 L of solution in which the [tex]Na[/tex] concentration is 0. 15 M.

Calculation,

The Sodium phosphate dissolves as follows:

[tex]Na_{3}PO_{4}(s)[/tex] → [tex]3Na^{+} (aq)+PO_{4}^{-} (aq)[/tex]

To make 1. L of solution in which the  [tex]Na^{+[/tex]concentration is 0. 15 M

The morality  of [tex]Na^{+[/tex]= 0.15 M = number of moles / volume in lit

The morality of [tex]Na^{+[/tex]= 0.15 M = number of moles /1 Lit

number of moles of [tex]Na^{+[/tex] = 0.15 mole

The mole ratio is 1: 3

It means, the 1 mole of [tex]Na_{3}PO_{4}(s)[/tex] required to form 3 mole of [tex]Na^{+[/tex]

So, to form 0.15 mole of [tex]Na^{+[/tex]  = 1×0.15 / 3 moles of [tex]Na_{3}PO_{4}(s)[/tex]required.

Hence, number of moles of [tex]Na_{3}PO_{4}(s)[/tex] required = 0.05 moles.

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An experiment was conducted to determine if the intermolecular forces in two liquids affects their boiling points. Each liquid was sprayed on a paper towel. Each paper towel was wiped across a glass table to moisten the surface. The table shows a partial record of the experiment.

Answers

Given the partial record of the experiment, the information that should be recorded in the last column of the table is B. Time is taken by the glass surface to dry.

What is an intermolecular force?

These are forces of attraction between atoms, molecules, and ions when they are placed close to each other.

Intermolecular forces are electrostatic in nature, and this means that they arise from the interaction between positively and negatively charged species.

Hence, an intermolecular force acts between molecules and their examples are London dispersion forces, dipole-dipole interaction, ion-dipole interaction, and van der Waals forces.

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The complete question

An experiment was conducted to determine if the intermolecular forces in two liquids affect their boiling points. Each liquid was sprayed on a paper towel. Each paper towel was wiped across a glass table to moisten the surface. The table shows a partial record of the experiment.

Experimental Record

Liquid Intermolecular Forces ?

А relatively strong

B relatively weak

What information should be recorded in the last column of the table?

Time is taken by the liquids to start boiling

Time is taken by the glass surface to dry

The volume of liquid required to moisten the paper towels

Time taken by the paper towels to become completely moist

generalized approach for the synthesis of silica supported pd-zn, cu-zn andni-zn gamma brass phase nanoparticles

Answers

According to the available literature, standard nanoparticle (NP) production processes make it especially challenging to reach the catalytically important and highly complicated intermetallic -brass crystal structure.

We present a straightforward and logical method for obtaining this phase in M-Zn (M = Pd, Cu, Ni) systems as silica-supported single-phase nanocrystals. This hybrid technique begins with the synthesis of supported M/SiO2 using typical methods (dry impregnation and strong electrostatic adsorption), followed by several hours of heating to high temperatures in the presence of a stoichiometric quantity of metallic Zn in an evacuated closed system.

Catalytically important bimetallic systems:

Pd-Zn is by far the most common in catalytic applications and produces the smallest particle size (8 nm). We investigated the effect of various synthesis parameters on phase purity and particle size distribution in the case of synthesized -brass Pd-Zn/SiO2 supported catalysts and provided general guidelines for synthesis optimization.

Pd/SiO2 is transformed to -brass Pd-Zn/SiO2, resulting in a precipitous drop in CO adsorption and a 25 kJ/mol increase in the ethylene hydrogenation barrier, indicating that the catalytic active sites are significantly modified as a result of alloying. We anticipate that these catalysts will find use in a variety of Pd-catalyzed chemistries.

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If the reaction between H2 and I2 to form HI were at equilibrium and an additional 0.25 moles of H2 were added to the reaction, what would happen

Answers

The equilibrium would shift in the direction of the products

What is Equilibrium?

Equilibrium in chemistry is the state that exists when a chemical reaction and its opposite reaction happen at the same rates. This word's Latin origins may be traced to the prefix aequi-, which means equal, and lbra, which means scale or balance.

[tex]{\displaystyle {\begin{aligned}{\text{forward reaction rate}}&=k_{+}{\ce {A}}^{\alpha }{\ce {B}}^{\beta }\\{\text{backward reaction rate}}&=k_{-}{\ce {S}}^{\sigma }{\ce {T}}^{\tau }\end{aligned}}}[/tex]

where A, B, S and T are active masses and k+ and k− are rate constants. Since at equilibrium forward and backward rates are equal:

[tex]{\displaystyle k_{+}\left\{{\ce {A}}\right\}^{\alpha }\left\{{\ce {B}}\right\}^{\beta }=k_{-}\left\{{\ce {S}}\right\}^{\sigma }\left\{{\ce {T}}\right\}^{\tau }}{\displaystyle k_{+}\left\{{\ce {A}}\right\}^{\alpha }\left\{{\ce {B}}\right\}^{\beta }=k_{-}\left\{{\ce {S}}\right\}^{\sigma }\left\{{\ce {T}}\right\}^{\tau }}[/tex]

and the ratio of the rate constants is also a constant, now known as an equilibrium constant.

[tex]{\displaystyle K_{c}={\frac {k_{+}}{k_{-}}}={\frac {\{{\ce {S}}\}^{\sigma }\{{\ce {T}}\}^{\tau }}{\{{\ce {A}}\}^{\alpha }\{{\ce {B}}\}^{\beta }}}}{\displaystyle K_{c}={\frac {k_{+}}{k_{-}}}={\frac {\{{\ce {S}}\}^{\sigma }\{{\ce {T}}\}^{\tau }}{\{{\ce {A}}\}^{\alpha }\{{\ce {B}}\}^{\beta }}}}\\[/tex]

H₂ + I₂→ 2HI

Rate constants - The proportionality constant in the equation that defines the link between the rate of a chemical reaction and the concentrations of the reacting chemicals is known as the rate constant, also known as the specific rate constant.

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Oxygen is a gas at 20 °C .
(i) Describe the arrangement and behavior of the particles in the gas.

Answers

Answer:

They are not arranged in a particular way.They have negligible intermolecular force of attraction and having more spaces between the particles.

In terms of the kinetic molecular theory, in what ways are liquids similar to solids? in what ways are liquids different from solids?

Answers

Answer:

particles in liquids have greater kinetic energy than particles in solids

Determine the grams of sodium chloride produced when 10.0 g of sodium react with 10 g of chlorine gas according to the equation
2na + cl2 = 2nacl

Answers

When 10.0 g of sodium react with 10 g of chlorine gas according to the equation, the mass of sodium chloride produced is 25.4 g.

Mass of sodium chloride produced

The mass of sodium chloride produced in the given reaction is calculated as follows;

2Na + Cl2 = 2Nacl

In the reaction above;

2(23 gram of sodium) -------------------- 2(58.44 g of sodium chloride)

10 g of sodium -------------------------- ? mass of sodium chloride

46 g of Na ----------------------------116.88 g of NaCl

10 g of Na ---------------------------- ? NaCl

= (10 x 116.88)/46

= 25.4 g

Thus,  when 10.0 g of sodium react with 10 g of chlorine gas according to the equation, the mass of sodium chloride produced is 25.4 g.

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According to the quantum mechanical model, where are electrons located?

Select one:
A. in orbits around the nucleus
B inside the nucleus
C. at great distances from the nucleus
D. in the cloud-like areas around the nucleus

Answers

Answer:

D.) in the cloud-like areas around the nucleus

Explanation:

A.) is incorrect. Electrons exist in orbitals in the Bohr's Model.

B.) is incorrect. Electrons do not exist in the nucleus. They always exist outside of the nucleus, but their exact position has been debated.

C.) is incorrect. While the electron clouds in the quantum mechanical model can cover a relatively large amount of space, the distance from the nucleus is not great. Within this cloud, electrons can exist closer to the nucleus at a particular time.

D.) is correct. Electrons are said to exist somewhere within these clouds around the nucleus. The model uses the cloud references to display how you can never be sure where the electrons are located - they are always moving around.

Alkenes are an example of unsaturated hydrocarbon that are more reactive than saturated hydrocarbons because it contains double bonds which can break and compounds can react with hydrogen.

Answers

Yes. Unsaturated hydrocarbon are more reactive than saturated hydrocarbons because it contains double bonds which can break and compounds can react with hydrogen.

Due to the double and triple bonds between carbon atoms in unsaturated hydrocarbons, which are weaker than the single bonds in saturated hydrocarbons due to the presence of weaker pi bonds, these unsaturated hydrocarbons are more reactive than single bonded carbon compounds and react more quickly when used in reactions.

For example, unsaturated hydrocarbons are used to make paint, lubricants, and insecticides, among other industrial products. They are utilised in numerous chemical reactions because they are reactive.

Therefore, Unsaturated hydrocarbon are more reactive than saturated hydrocarbons.

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true or false, Valence bond theory states that a bond between two atoms is the strongest when the nuclei of the atoms are touching each other.

Answers

Valence bond theory stating that a bond between two atoms is the strongest when the nuclei of the atoms are touching each other is true.

What is Valence bond theory?

This theory states that when two valence orbitals of two different atoms overlap on each other, the bond is usually strong.

The bond formed in this scenario is usually covalent which involves sharing of the valence electrons.

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Tim would like to know the mass of two boxes. Instead of Tim looking at the boxes to determine their mass, what should Tim use to accurately
determine the mass of each box

Answers

Answer:

The triple beam balance

age
Which of the following has the greatest mass?
Select one:
1.0 mole of Zn
1.0 mole of Cu
1.0 mole of Fe
they all have the same mass

Answers

Answer:

Option (2)

Explanation:

Since the amount of each sample is the same, we are looking for the metal with the greatest density, which is copper.

The Neutral Gator program used methods that _____. The Neutral Gator program used methods that _____. reduced the amount of carbon dioxide already in the atmosphere decreased production of carbon dioxide increased production of carbon dioxide decreased production of carbon dioxide and reduced the amount of carbon dioxide already in the atmosphere

Answers

The Neutral Gator program used methods that reduced the amount of carbon dioxide already in the atmosphere and also helps in decreased production of carbon dioxide.

The rate of CO2 increase is in the last few hundred years is 10 times more with the rate of increase (or decrease, for that matter) in the preceding 400,000 years.

There are many possible reasons for this cause , some primary factors are listed below:

Increase in populationincreased emission of green house gases, as we all know auto mobile industry is growing rapidly and this vehicles releases harmful gases like CO2, CO ,etc. and increases carbon % , this CO2 is a main gas component in green house effect.Deforestation, as the amount of plant decreases the CO2 present in atmosphere increases, plants uses CO2 and sun lite to make their food via photosynthesis.Increased emission of Industrial flue gases, etc.

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In 1869, mendeleev created a periodic table in which elements were ordered by weight and placed in groups based on their chemical properties. mendeleev's decision to design the periodic table in this way allowed immediate advances in chemistry by.?
a.) providing an explanation for the reactive properties of the alkali metals
b.) providing a framework for models of electron configurations
c.) predicting the existence of a group of undiscovered inert gases
d.) predicting the properties of undiscovered elements in specific atomic weight ranges.
please explain

Answers

Answer:

D

Explanation:

Mendeleev periodic table predicted the properties of undiscovered element like the eka-aluminium.

How many moles of solute particles are present in 1 l (exact) of aqueous 0.057 m hno3?

Answers

The total number of moles of solute particles present in 1L (exact) of aqueous 0.057 m hno3 is 0.166 mol

Initial moles of HNO3 = 1Lx 0.083 mol HNO3/1 L

The HNO3 is a strong acid that can be completely dissociated in the following way.

HNO3→H  +  NO

1 mol   1 mol 1 mol

The HNO3 is dissociated into two particles (Kt and NO3). So that,

total moles particles = 0.083 mol (K) + 0.083 mol (NO) = 0.166 mol

The number of moles of solute = mass of solute ÷ molar mass of solute, where mass is measured in grams and molar mass (defined as the mass of one mole of a substance in grams) is measured in g/mol.

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How many Chlorine molecules are in 6.5 moles of chlorine?

Answers

Answer:

6.5  x  (  6.02x 10^23)=  3.913  x10^24

Explanation:

6.5  x  (  6.02x 10^23)=  3.913  x10^24

What is the osmotic pressure of a solution made from 12.5 g of CaCl2 in enough water to make 500 mL, if CaCl2 is 78.5% dissociated at 30oC

Answers

The osmotic pressure of a solution made from 12.5 g of CaCl2 in enough water to make 500 mL, if CaCl2 is 78.5% dissociated at 30oC is 167.087 atm

Define osmotic pressure:-

Osmotic pressure and osmosis are connected. Osmosis is the passage of a solvent through a semipermeable membrane into a solution. The pressure that halts the osmosis process is known as osmotic pressure. Osmotic pressure is a collective attribute of material because its value is determined by the solute's concentration rather than its chemical composition.

The formula used to calculate Osmotic Pressure is:-

π = M x R x T x i

Where;

π =osmotic pressure (in atm)

M=molar concentration (in mol/L)

  =(given mass/molar mass)/volume=(12.5g /111.0)/(500/1000)

  =0.224 mol/L

R=Universal gas constant (0.08206 L.atm/mol.K)

T=absolute temperature (in K) = 30.C + 273 = 303 K

i= van't Hoff factor of solute =3

using the formula and  substituting values;

π=0.224 x 0.08206 x 303 x 3

   = 167.087 atm

The osmotic pressure is 167.087 atm

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Which of the following is true about a redox reaction?
In a redox reaction, the reducing agent loses electrons..
In a redox reaction, the oxidizing agent loses electrons.
In a redox reaction, the oxidized species gains electrons.
In a redox reaction, the reduced species loses electrons

Answers

AnswerThe correct  (A).

Explanation:

The true statement about the redox reaction is In a redox reaction, an electron is lost by the oxidizing agent.

Answer:A

Explanation:i took the test

Which component of delegation is the ability to perform duties in a specific role?

Answers

The component of delegation which speaks to the ability to perform a specific task is: Authority.

What is delegated Authority?

The division of work and assignment of decision-making authority to a person who answers to a leader or management is referred to as delegation of authority.

It is an organizational technique in which a management assigns each employee a portion of their own workload.

What is the difference between delegated authority and responsibility?

While the superior may transfer power to followers, responsibility is taken, or it is built into the duty that was given to the subordinate.

While responsibility calls for the capacity for compliance or obedience, the capacity to obey directions, authority requires the capacity to issue orders and instructions hence - responsibility.

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Consider the balanced reaction
below:

P2O3 + 3H₂O → 2H3PO3

How many grams of diphosphorus
trioxide, P2O3, are required to produce 10.2 moles of phosphorous acid, H3PO3?

I really really need help and I’m struggling with chemistry rn

Answers

Answer:

561 g P₂O₃

Explanation:

To find the mass of P₂O₃, you need to (1) convert moles H₃PO₃ to moles P₂O₃ (via mole-to-mole ratio from equation coefficients) and then (2) convert moles P₂O₃ to grams P₂O₃ (via molar mass). It is important to arrange the ratios/conversions in a way that allows for the cancellation of units. The final answer should have 3 sig figs to match the amount of sig figs in the given value.

Atomic Mass (P): 30.974 g/mol

Atomic Mass (O): 15.998 g/mol

Molar Mass (P₂O₃): 2(30.974 g/mol) + 3(15.998 g/mol)

Molar Mass (P₂O): 109.942 g/mol

1 P₂O₃ + 3 H₂O -----> 2 H₃PO₃

10.2 moles H₃PO₃            1 mole P₂O₃              109.942 g
----------------------------  x  --------------------------  x  -------------------  =  561 g P₂O
                                        2 moles H₃PO₃              1 mole

Which compares the problems associated with radioactive waste created from generating electricity using fusion reactions to waste created from generating electricity using fission reactions?

Answers

Radioactive waste from fusion reactions becomes less hazardous much sooner than waste from fission reactions, nuclear fusion is much safer than fission because it leaves no radioactive waste behind.

What is the difference between the two reactions?

Both processes are natural, but they can also be carried out in a lab. While fusion involves the "crushing" of two atoms to form a single atom of a new element, fission involves the splitting of an atomic nucleus.

We can conclude from this information that radioactive waste from fusion reactions becomes less hazardous much sooner than waste from fission reactions, and nuclear fusion is much safer than fission because it produces no radioactive waste.

Why does nuclear fission release more energy than other chemical reactions?

It takes a lot of energy to combine protons so that nuclear forces can overcome electrostatic repulsion. The energy released during the fission process is much greater than the energy released during other chemical reactions.

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Answer: The radioactive waste from fusion reactions becomes less hazardous much sooner than the waste from fission reactions.

Explanation:

What conclusion can be made based on the temperatures of soil, sand, water, and air in Section 1 of the experiment? Did your results support your hypothesis? Why or why not?

i need something thats not a sample answer :)
earth science btw!

Answers

The experiment is not found here but temperatures of soil, sand, water, and air increase by raising the supply of kinetic energy.

What is kinetic energy?

Kinetic energy refers to motion (movement energy), whereas potential energy refers to stored energy, which is able to perform work.

The increase in temperature causes a rise in kinetic energy due to a higher movement of subatomic particles that form the elements above described (e.g., soil).

In conclusion, the experiment is not found here but temperatures of soil, sand, water, and air increase by raising the supply of kinetic energy.

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Question 7
What causes metallic bonds to form?
O The attraction between the delocalized electrons and the metal's anions
O The attraction between the delocalized electrons and the metal's valence electrons
O The attraction between the delocalized electrons and the metal's atoms
O The attraction between the delocalized electrons and the metal's cations
< Previous
N

Answers

Answer:

D.) The attraction between the delocalized electrons and the metal's cations

Explanation:

Metallic bonds form between free-floating valence electrons (delocalized electrons) and positively charged metal ions (cations). The negative charge from the electrons and the positive charge from the ions are what form the attraction.

Structure and applications of poly(vinyl alcohol) hydrogels produced by conventional crosslinking or by freezing/thawing methods

Answers

Answer: Structure and applications of poly(vinyl alcohol) hydrogels produced by repeated cycles of freezing and thawing.

Explanation:

Poly(vinyl alcohol) (PVA) is a polymer of great interest because of its many desirable characteristics specifically for various pharmaceutical and biomedical applications. The crystalline nature of PVA has been of specific interest particularly for physically cross-linked hydrogels prepared by repeated cycles of freezing and thawing. This review includes details on the structure and properties of PVA, the synthesis of its hydrogels, the crystallization of PVA, as well as its applications. An analysis of previous work in the development of freezing and thawing processes is presented focusing on the implications of such materials for a variety of applications. PVA blends that have been developed with enhanced properties for specific applications will also be discussed briefly. Finally, the future directions involving the further development of freeze/thawed PVA hydrogels are addressed.

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Hydrogen gas and oxygen gas react to produce water. Both of these gases are present in
the air around us -so, how come water isn't being produced all around u?

Answers

Water isn't being produced all around us because the hydrogen and oxygen are present in stable form.

How come water isn't being produced all around us?

Water molecule is produced when the unstable hydrogen reacts with unstable oxygen because they are very reactive. Due to their reactive nature, hydrogen and oxygen react with each other forming water molecule. So that's why we can say that water is not being produced around us due to stable form of hydrogen and oxygen.

So we can conclude that Water isn't being produced all around us because the hydrogen and oxygen are present in stable form.

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Minerals are all naturally occurring solid substances with a definable chemical composition. they also must possess _____________.

Answers

They must also possess a fixed crystalline structure (spatial arrangement of atoms and ions).

What are the properties of minerals?Color is one category, however it is not necessarily a reliable indicator of a mineral's identity. Numerous minerals can be found in a variety of colors, and many minerals contain additional compounds that give them a surprising color.The way a mineral reflects light is called luster. The characteristics of minerals include metallic, pearly, glassy, smooth, greasy, dazzling, or drab.When particular minerals cleave, they do so in a distinct manner.By observing how simple it is to scrape a mineral, hardness is determined.The chemical composition of each occurrence of a mineral varies within a narrow range, and the atoms that make up the mineral must exist in particular ratios.In a mineral, the atoms are arranged in a recurring, predictable pattern.

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Multiple Choice Question As a reaction proceeds, the value of Q _____. Multiple choice question. decreases steadily until it reaches the value of K increases steadily until it reaches the value of K increases or decreases, as necessary, until it reaches the value of K

Answers

As a reaction proceeds, the value of Q decreases steadily until it reaches.

What is Equilibrium Constant ?

The equilibrium constant of a chemical reaction usually denoted by the symbol K that express the relationship between the amount of reactants and products when a chemical reaction reaches equilibrium.

It is expressed as:

[tex]K_{C} = \frac{[C]^{c} \times [D]^{d} \times ...}{[A]^{a} \times [B]^{b} \times ...}[/tex]

where,

K = Equilibrium constant

A, B = Products

C, D = Reactants

[A] = equilibrium concentration of A in moles

a = number of moles of A

What is Reaction Quotient ?

The measurement of relative amount of reactants and products which are present in a reaction at a particular point in time.

Q < K

Q ∝ [tex]\frac{\text{Products}}{\text{Reactants}}[/tex]

Thus from the above conclusion we can say that As a reaction proceeds, the value of Q decreases steadily until it reaches.

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The blizzard company sent a survey to their world of warcraft subscribers and asked if they were expected about the up coming expansion. From the survey, 16 people of the 20 people surveyed said they were excited. A) the probability that 2 people were excited without replacement is yoooooooo homie help ya sista out and answer this dam question Heavier noble gases are able to form compounds with other elements under specific conditions because their valence ____are farther from the _____ The chart shows U.S. government spending and the income it brought inthrough taxes each year. In which year or years did the U.S. government havea surplus?A. both 2010 and 2015B. both 2000 and 2020C. only 2005D. only 2015 how do we contribute to global warming? The sum of my number and two and two thirds is seven. What is my number?7 is in one box. Below it are 2 boxes. N is in one. 2 and 2-thirds is in the other.Check all that apply.The variable, n, represents the unknown number.The unknown number and 2Two-thirds equals 74One-third+2Two-thirds= 79Two-thirds- 2Two-thirds= 7n = 4One-third A student dissolves 12.1 g of potassium chloride (KCl) in 250. g of water in a well-insulated open cup. He then observes the temperature of the water fall from 21.0 C to 17.1 C over the course of 6.9 minutes. Use this data, and any information you need from the ALEKS Data resource, to answer the questions below about this reaction: KCl(s) K (aq) + Cl (aq)a. Is this reaction exothermic, endothermic, or neither?b. Calculate the reaction enthalpy H.rxn per mole of KCI. Three examples of goods taken from west to east Please help me out with this question if you help me I will give you the brain thing and extra points. 7/9 image below. Carbon monoxide is a colorless, odorless gas that binds irreversibly to hemoglobin in our blood, causing suffocation and death. CO is formed during incomplete combustion of carbon. One way to represent this equilibrium is: CO(g)C(s) 1/2 O2(g) We could also write this reaction three other ways, listed below. The equilibrium constants for all of the reactions are related. Write the equilibrium constant for each new reaction in terms of K, the equilibrium constant for the reaction above. The enlightment ideas are used in both the US bill of rights and in the independendence of Decloration. And it's not they might be missing they just need to be better enforced Which text was used to support a strict interpretation of the Constitution regarding the powers allowed Congress?Washington's Farewell AddressGazette of the United States"Necessary and proper" clause Helppppppp meeeeeee pleaseeeeee asappp Which of these would not be a positive outcome for Africa following European imperialism acrossthe continent?A widespread construction of roads, railways, and hospitalsB Africans not allowed political rights, traditional customs, or practice their native religions freelyC reduction in harmful diseasesD increase in the continent's population (Look at attached imagine) Please help me I need this Find the missing numbers:1) 1 + 4.000 + 900 += 4,911 esto es among us respondan por favor :( Dirty or harmful substances in the environment? Use the drop-down menus to complete each statement. The help(s) a fish find food and avoid predators. The function(s) to exchange oxygen and carbon dioxide with the surroundings. The pump(s) blood to the gills and the rest of the body.