The pressure of 2.29 atm can be converted to [tex]1740.4 mm Hg.[/tex]
What is conversation?Conversation is a way of writing a value in another unit, it helps to reduce large values by using a unit.
It should be noted that 1 atm. =760.0 mm Hg
We were given 2.29 atm, the we can convert it to mm Hg. as;
[tex][ 2.29 atm* 760.0 mmHg / atm.][/tex]
= 1740.4 mm Hg.
Therefore, The pressure of 2.29 atm can be converted to [tex]1740.4 mm Hg.[/tex]
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How many grams of bicarbonate will produce 40. Ml of co2 gas?
The reaction equation must first be put down and the stiochiometry is used to calculate the mass of the bicarbonate produced as 0.11 g.
What is a reaction?A reaction refers to the transformation of reactants into products. We have the equation of this reaction as;
CO2 + H2O ---->H2CO3
If 1 mole of CO2 gas occupies 22400mL
x moles of CO2 occupies 40 mL
x = 0.0018 moles
If 1 mole of CO2 yields 1 mole of bicarbonate
0.0018 moles yields 0.0018 moles of bicarbonate
Mass of bicarbonate = 0.0018 moles * 61 g/mol = 0.11 g
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What are the examples of 8 branches of chemistry?
Answer:
hmm suspicious
lol I don't know bye
what is a water cycle
Answer:
the cycle of water and how it evaporates with energy from the sun and the droplets are stored in clouds which is condensation and when it rains or snows those are forms of precipitation
Explanation:
Answer:
it shows the continuous movement of water within the earth and atmosphere
Approximate the solution to the equation using three iterations of successive approximation
A solution has to do with the presence of a solute where there is a homogenous mixture of different substances in order to get their limit of solubility.
What is an Iteration?This refers to a method in organic chemistry where there is a sequence of reactions that are used to synthesize molecules.
Please note that your question is incomplete so I gave you a general overview to help you get a better understanding of the concept.
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How did supporter of the Constitution convince opponents to approve it?
If 25 milliliter of 0. 80 m hcl is used to completely neutralize 40. Milliliters of naoh solution, what is the molarity of the base?
If 25 milliliter of 0. 80M HCl is used to completely neutralize 40. milliliters of NaOH solution, the molarity of the base is 0.5M.
How to calculate molarity?The molarity of a solution can be calculated using the following expression:
M1V1 = M2V2
Where;
M1 = molarity of acidM2 = molarity of baseV1 = volume of acidV2 = volume of base25 × 0.80 = 40 × M2
20 = 40M2
M2 = 20/40
M2 = 0.5M
Therefore, if 25 milliliter of 0. 80M HCl is used to completely neutralize 40. milliliters of NaOH solution, the molarity of the base is 0.5M.
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Consider the following reaction in which all reactants and products are gases.
P4+6Cl2⟶4PCl3
A 100. ML reactor vessel is charged with 250. Mg of P4 and 4. 21 atm of Cl2 at 298 K. The reaction goes to completion.
How many moles of chlorine gas are initially in the vessel?
Based on the equation of the reaction, the moles of chlorine gas initially in the vessel is 0.12 moles
How many moles of chlorine were initially present?The moles of chlorine initially present is determined using the equation of the reaction:
P4 + 6 Cl2 ⟶ 4 PCl3At STP, 1 mole of P4 reacts with 6 moles of chlorine.
Molar mass of P4 = 124.0 g
Molar mass of chlorine = 71.0 g
Mass of P4 in reaction vessel = 250 mg = 0.25g
moles of P4 in 0.25 g = 0.25/124 = 0.02 moles
0.02 moles of P4 will react with 0.02 × 6 moles of chlorine = 0.12 moles of chlorine.
Therefore, the moles of chlorine gas initially in the vessel is 0.12 moles.
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typical "lead" pencil is actually made from carbon. if the carbon in the pencil weighs 1.50 grams, the pencil has [atoms] atoms of carbon.
Using the data below, what would be the independent variable?
Height of foam
Type of soda
Number of mentos
Color of mentos
Answer:
Number of mentos
Explanation:
i took the quiz
If the equation: FeCl3+O2-->Fe2O3+Cl2, how many moles of chlorine gas can be produced if 4 moles of FeCl3 react with 4 moles of O2?
Answer:
6 moles of Cl2
Explanation:
First, the equation has to be balanced, which makes it 4 FeCl3 + 3 O2 --> 2 Fe2O3 + 6 Cl2
Using this information, we can see that one mole of O2 will not be present in the reaction. Since four moles of FeCl3 are needed to react in the equation, which would produce six moles of Cl2, and only four moles of FeCl3 are present, six moles of Cl2 would be produced.
which acid would produce the salt zn(no3)2
Answer:
Explanation:
Nitric Acid (HN03)
Zn(OH)2 + 2HNO3 ==> Zn(NO3)2 + 2HOH
Calculate the mass percent of water in the formula:
MgSO4.7H20
Please help me and explain how you got it I gotta pass my chem class pls help!
Answer:
%H20=
(14xH)+(7xO)______________________________ X 100(Mg) + (S) + (4 x O) + (14 x H) + (7 x O)Thus,(14 x 1.008) + (7x16.0)______________________________________ X 10024.31 + 32.06 + (4x16.0) + (14 x 1.008) + (7x16.0)=126.122_____________ X 100246.482= 0.512 x 100=51.2%There is 51.2% of water is Magnesium Sulphate-7-water.
uhh i need help please its sience not chemistri sorry just cant find sience in there
they can survive without oxygen, this is bio btw :)
The antibiotic prontosil, developed by bayer pharmaceuticals in 1932, was used in saving the life of president roosevelt's son from severe strep throat in 1936. protonsil consists of two nitrogens bonded together in a double bond. the left nitrogen is bonded to a benzene ring where the para position contains a sulfur double bonded to two oxygen atoms and single bonded to n h 2. the right nitrogen is bonded to a benzene ring where one ortho and the para position each have an n h 2 substituent. substituent prontosil is an azo dye, which can be prepared from an aryldiazonium ion and an aromatic compound. draw the structures of the diazonium ion and the coupling component for this drug
Prontosil is a compound produced by the coupled reaction of an aryldiazonium ion and an aromatic compound.
What are diazonium compounds?
These are organic compounds in which there are ionic interactions between the azo group (-N₂⁺) and an anion X⁻.
The general structure is RN₂⁺X⁻.
R is the lateral chain that might be an aromatic ring, among other options.N₂⁺ is the azo groupX⁻ is the anionThe azo group characterizes as being unstable and reactive. This property is because one of the N atoms has a positive charge.
-N⁺≡ N
What is the coupling reaction of aryldiazonium compounds?Aryldiazonium salt reactions can occur in two ways,
Substitution reactionsCoupling reactionsCoupling reactions are the aromatic electrophilic substitution, where the aryldiazonium ion acts as an electrophile for an activated aromatic compound to attack it.
The coupling reaction occurs at the azo group level.
In the exposed example,
the benzene ring with sulfur bonded to oxygen atoms is the coupling componentthe benzene ring with NH₂ and the azo group is the diazonium ionIn the attached files you will find the drawings.
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what is the difference between bacteria and cancer cells
why electron configuration is important
Answer:
So that we know how many electrons are thre in which shell and how many shells are present in an atom....
Explanation:
Hope it helps!!!
4.
Solve: For each chemical equation below, write the number of product molecules that
will form from the reaction. Then circle the limiting reactant. (Note: The coefficients in
front of the reactants indicate the number of reactant molecules or atoms present.)
For all the reactions listed, the moles of products and limiting reactants are;
1. Molar cofficient - 6, oxygen is the limiting reactant
2. Molar coefficient - 8 chlorine is the limiting reactant
3. Molar coefficient - 4 and CO2 is the limiting reactant
What is a chemical reaction?
A chemical reaction is a combination of reactants that yields products. Recall that the limiting reactant is the reactant that nis present in the least amount.
Let us now complete each reaction;
1. The molar coefficient of the product in reaction 1 is 6 and oxygen is the limiting reactant
2. The molar For all the reactions listed coefficent of the product in reaction 2 is 8 and chlorine is the limiting reactant
3. The molar coefficient of the product in reaction 3 is 4 and the limiting reactant is CO2.
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POSSIBLE POINTS:
I perform a Haber Process reaction and I get 10.0g of NH3, if I was theoretically supposed to get 15.7g, what is my percent yield?
O 63.69 %
O 60 %
O 63.7%
O 64 %
1
2
3
4
5
6
7
8
9
10
Answer:
63.7
Explanation:
Percent yield is actual yield over theoretical yield. In this case, 10/15.7 = .637 = 63.7%.
A mixture of H2 and water vapor is present in a closed vessel at 20. 00°C. The total pressure of the system is 755. 0 mmHg. The partial pressure of the water vapor 17. 50 mmHg. What is the partial pressure of H2? Type in your answer using the correct number of significant figures. MmHg.
The partial stress of H2 is 737.47 mmHg Let's observe the Ideal Gas Law to find out the whole mols.
We count on that the closed vessel has 1L of volume
P.V=n.R.TWe must convert mmHg to atm. 760 mmHg.1 atm755 mmHg (755/760) = 0.993 atm0.993 m.1L=n.0.082 L.atm/mol.K .293 K(0.993 atm 1.1L)/(0.082mol.K /L.atm).293K = n0.0413mols = nThese are the whole moles. Now we are able to know the moles of water vapor, to discover the molar fraction of it.
P.V=n.R.T760 mmHg. 1 atm17.5 mmHg (17.5 mmHg / 760 mmHg)=0.0230 atm0.0230 m.1L=n.0.082 L.atm/mol.K.293 K(0.0230atm.1L)/(0.082mol.K/L.atm .293K)=n 9.58 × 10 ^ 4 mols = n.Molar fraction = mols )f gas/general mols.Molar fraction water vapor =9.58×10^ -four mols / 0.0413 molsSum of molar fraction =11 - 9.58 × 10 ^ 4 × mols / 0.0413 ×mols = molar fraction H20.9767 = molar fraction H2H2 pressure / Total pressure =molar fraction H2H2 pressure / 55mmHg = =0.9767 0.9767 = h2 pressure =755 mmHg.737,47 mmHg.What is a mole fraction?Mole fraction is a unit of concentration, described to be identical to the variety of moles of an issue divided through the whole variety of moles of a solution. Because it's miles a ratio, mole fraction is a unitless expression.
Thus it is clear that the partial pressure of H2 is 737,47 mmHg.
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6. What is the mass of the object if the net force acting on it was 356 N and the acceleration rate
was 4 m/s/s2
The mass of an object with a net force of 356N and an acceleration rate of 4m/s² is 89kg.
How to calculate mass?The mass of an object can be calculated using the following formula:
F = ma
Where;
F = force (N)m = mass (kg)a = acceleration (m/s²)m = F/a
m = 356/4
m = 89kg
Therefore, the mass of an object with a net force of 356N and an acceleration rate of 4m/s² is 89kg.
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Can someone please predict the products for these two? Also explain to me how you predicted it, thank you.
1) C₂H₂ + O₂ -->
2) C₂H₁₂ + O₂ -->
Periodic Table: Why are group 1A elements called alkali metals?
Answer:
Explanation:
The elements in Group I of the periodic table are called alkali metals. They are called alkali metals because they react with water to form alkali solutions. These metals are very reactive; hence they have to be stored under oil to protect them from corrosion by air and waterwaterwater
The group 1A elements, called alkali metals because they form alkalies on reacting with water. Alkalies are strong bases.
What are the alkali metals?They are the metals that are soft, lustrous, and have a low melting point. Air and moisture react readily with alkali metals.
Special precautions must be taken when using and storing these metals due to their reactivity.
The seven alkali metals are lithium (Li), sodium (Na), potassium (K), rubidium (Rb), cesium (Cs), and francium (Fr).
Thus, the group 1A elements, called alkali metals because they form alkalies on reacting with water. Alkalies are strong bases.
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Will autoionization of water be spontaneous at high temperatures
Answer:
100
Explanation:
Will autoionzation of water be spontaneous at high temperature
A sample of aluminum chloride (AIC1z) has a mass of 37.2 g.
a. How many aluminum ions are present?
b. How many chloride ions are present?
c. What is the mass in grams of one formula unit of aluminum chloride?
The answers to your questions are as follows
A) The number of aluminium ions present = 1.62 * 10²³ ions
B) The number of chloride ions present = 9.86 * 10²³ ions
C) The mass of one unit of aluminium chloride = 133.34 grams
Given data :
mass of aluminium chloride = 37.2 g
molar mass of aluminium chloride = 133.34 g/mol
note : I mole of a molecule has 6 * 10²³ molecules
Number of moles = mass / molar mass = 0.27 moles
Determine the number of aluminum ions and chloride ions presentA) aluminium ions present
moles of AlCl₃ * 6 * 10²³
= 0.27 * 6 * 10²³ = 1.62 * 10²³ ions
B) Chloride ions present
moles of AlCl₃ * 6 * 10²³ * 3
= 0.27 * 6 * 10²³ * 3
= 4.86 * 10²³ ions
C) The mass of one formula unit of aluminium chloride = 133.34 grams
Hence we can conclude that the answers to your question are as listed above.
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Calcium acetate reacts with sodium carbonate to produce calcium carbonate and sodium acetate
Answer:
(CH₃COO)₂Ca(aq) + Na₂CO₃(aq) = 2CH₃COONa(aq) + CaCO₃(s)
2CH₃COO⁻ + Ca²⁺ + 2Na⁺ + CO₃²⁻ = 2CH₃COO⁻ + 2Na⁺ + CaCO₃
Ca²⁺ + CO₃²⁻ = CaCO₃
Between which atoms do hydrogen bonds form in water?
A) Oxygen and hydrogen atoms in the same water molecule
B) Oxygen and hydrogen atoms in different water molecules
C) Hydrogen atoms in the same water molecule
D) Oxygen atoms of different water molecules
Answer:
right answer is A bcz
Explanation:
In the case of water, hydrogen bonds form between neighboring hydrogen and oxygen atoms of adjacent water molecules. The attraction between individual water molecules creates a bond known as a hydrogen bond.
Answer:
oxygen and hydrogen indifferent molecules
I NEED THE AWNSER RIGHT NOWWWWW Four students categorized several environmental changes as short-term or long-term changes. Which chart correctly categorizes short- and long-term changes?
Based on the duration and effect of the environmental change, the correct categorization is as follows:
Short-term changes - Fire, flood, pollution of waterways, disease Long-term changes- extinction, early frost, deforestation, desertificationWhat are environmental changes?Environmental changes refers to changes that occur in the environment either due to natural causes or by human activities.
Environmental changes can be categorized into:
short-term changes andlong-term changesShort-term changes occur over a short period of time while long-term changes occur over a long period of time.
Based on the chart, the correct categorization is as follows:
Short-term changes - Fire, flood, pollution of waterways, disease Long-term changes- extinction, early frost, deforestation, desertificationTherefore, both long-term and short-term changes occur in the environment.
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How many moles of Oxygen gas are in a container that has a total volume of 33.0L at a pressure of 96.2kPa and a temperature of 35°C.
ideal gas constant= 8.31[tex]\frac{L(kPa)}{mol(K)}[/tex]
A 33.0-L container at 96.2 kPa and 35 °C contains 1.24 moles of oxygen.
What is an ideal gas?An ideal gas is a hypothetical gas whose molecules occupy negligible space and have no interactions, and which consequently obeys the gas laws exactly.
First, we will convert 35°C to Kelvin using the following expression.
K = °C + 273.15 = 35 + 273.15 = 308 K
We want to calculate the number of moles of oxygen in a 33.0-L container at 96.2 kPa and 308 K. We will use the ideal gas equation.
P × V = n × R × T
n = P × V / R × T
n = 96.2 kPa × 33.0 L / (8.31 l.kPa/mol.K) × 308 K = 1.24 mol
where,
P is the pressure.V is the volume.n is the number of moles.R is the ideal gas constant.T is the absolute temperature.A 33.0-L container at 96.2 kPa and 35 °C contains 1.24 moles of oxygen.
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Select the correct answer below that correctly describes what a Arrhenius Acid Base reaction is.
Question 1 options:
An acid base reaction where one compound increases the amount of H+ or OH- in solution.
An acid base reaction where one compound is donating an H+ and one atom is accepting an H+
An acid base reaction where one compound is donating electrons and another compound is accepting electrons.
An acid base reaction where one compound is donating an OH- and one atom is accepting an OH-.
From the options, the statement ththat describes an acid - base reaction in the Arrhenius sense is; "an acid base reaction where one compound is donating an H+ and one atom is accepting an H+."
What is the Arrhenius definition?The Arrhenius definition of a base is that a base is a substance that releases hydroxide ions as its only negative ions in solution. An acid is a substance that produces hydrogen ions as its only positive ions in solution.
If we look at the definitions shown here, the only one that accurately depicts acid - base reaction in the Arrhenius sense is "an acid base reaction where one compound is donating an H+ and one atom is accepting an H+."
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what could have caused the change in the rock layers.
Answer: Changes in the environment
Explanation: the rocks are subjected to extreme heat and pressure, volcanic activities or movements on the Earth's surface.