Answer:
I think the answer is Prokaryote and Eukaryote
Explanation:
what would happen if organ systems failed to work together
Answer:
If the organ systems do not work together, then homeostasis is not maintained. If homeostasis is not maintained, the cells of the body will not work properly. As a result, the body will not work properly.Feb 4, 2017
Explanation:
Answer:
If the organ systems do not work together, then homeostasis is not maintained. If homeostasis is not maintained, the cells of the body will not work properly. As a result, the body will not work properly.
Explanation: Edge 2020 :)
specific heat is defined as the amount of heat in what
Answer:
Specific heat is the amount of energy that must be added, in the form of heat, to one unit of mass of the substance in order to cause an increase of one unit in temperature.
Explanation:
Answer:
Specific heat is the amount of energy that must be added, in the form of heat, to one unit of mass of the substance in order to cause an increase of one unit in temperature.
Explanation:
Which statement about the organisms whose fossils are found in the rock is correct?
A.) Organism W existed much before Organism Y.
B.) Organism Y existed over the longest period of time.
C.) Organism Y and Organism U were alive over the same time span.
D.) Organism W existed over a shorter period of time than did Organism X. The table below shows the fossils of organisms found in various layers of an undisturbed rock:
Answer:
a?
Explanation:cause if organism w is a fossil and organism y is a rock the rock is way older than a fossil so a
Answer:
the answer is C
Explanation:
just did the test and Y, and U are in the same layer...so both were alive over the same time span.
Give examples which indicate that nylon fibres are very strong.
Explanation:
is used for making ropes, used for climbing rocks and for making parachutes. Their usage shows that nylon fibres have high tensile strength
It late, I need help quick
Answer:
what is late ? there is no attachment ?
Answer:
For people asking for the questions
Explanation:
SCIENCE QUEASTION I PUTED IT IN CHEMISTRY BECAUSE BRAINLY HAS NO SCIENCE WILL MARK BRAINLIEST
Pls Help With these 2
#1 Which description most accurately describes what weather is?
The long term average of temperatures at a location
or
The condition of the atmosphere at a certain time and certain place
#2 When air reaches 100% relative humidity or the point of saturation, what does that mean? *
The rate of evaporation is GREATER THAN the rate of condensation
or
The rate of evaporation is EQUAL to the rate of condensation
DONT POST LINKS
I need help! Please & Thank you!
Answer:
I think it is B
Explanation:
What is a disadvantage for reasons undergoing asexual reproduction
which of the following has more particles
6.02x10(small numbers)23 molecules CO2
9 moles PF2
10 mole NaCI
18 g H2O
Answer:
A mole is Avogadro's number of items: 6.022 × 1023.
Explanation:
The battery gets it's energy from the
1. A sample of naproxen has 6.022x10^23 naproxen molecules. How many moles is this?
Answer:
0.99997661 moles
Explanation:
Answer:
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(Help would be greatly appreciated) What is the molarity of a solution made from 325.4g of AlCl3 with enough water to make 500.0mL?
1. 4.88g
2. 4.88M
3. 2.440M
4. 2.44M
Answer:
4.88 M
Explanation:
M = number moles/Volume (L)
MM AlCl3 = 133.34 g/mol
Volume = 500 mL = 0.5 L
number moles = mass/MM = 325.4/133.34 = 2.44 moles AlCl3
M = 2.44/0.5 = 4.88 M
Which statement describes the differences between chemical reactions and nuclear decay rates? Chemical reaction rates vary, but nuclear decay rates are constant. Both chemical reaction rates and nuclear decay rates vary. Nuclear decay rates vary, but chemical reaction rates are constant.
Answer:
Answer the last one Nuclear decay rates vary, but chemical reaction rates are constant
Explanation:
Correct me if im wrong
Answer:
Chemical reaction rates vary, but nuclear decay rates are constant.
Explanation:
gradepoint
True or false The force of gravity acting on an object is measured by weight.
Answer:
true
Explanation:
we need gravity to stay on ground
Answer:
True.
Explanation:
Weight in a physics or scientific sense is defined mathematically as "mass times gravity." It is literally a measure of the force of gravity pulling mass downward towards Earth (or whatever object you're considering).
According to Banquo, the King "Sent forth great largess to your offices." What
gift does King Duncan bring for Lady Macbeth?
Answer:
Diamond
Explanation:
The answer is gotten from Act 2, Scene 1 of the play by Shakespeare titled "Macbeth". In this scene, we see that Banquo met Macbeth late in the night where they had a profound conversation about the gift of diamond which king Duncan had given to Banquo to deliver to Macbeth.
Question 1
Which of the following is a false
Answer:
1.A 2.C 3.B
4. d
Explanation:
Why is chemistry important? i need 2 paragraph please
Which of the following statements is true?
the answer is the third one
Explanation:
it just is I think
Please help me on this exsam question ASAP!!! Please
If I touch a hot object, my hand gets hot through which type of heat transfer?
Answer:
Thermal Transfer.
Explanation:
If you touch a hot object, the heat is transferred from the object to your hand through conduction. (This is the actual answer.)
The chemical equation below represents a reversible reaction.
H2PO4- + H2O ↔ H3PO4 + OH-
Which pair represents an acid and its conjugate base?
Answer:b
Explanation:
bc
In the given chemical equation, H₃PO₄ is an acid while it's conjugate base is OH⁻.
What is chemical equation?Chemical equation is a symbolic representation of a chemical reaction which is written in the form of symbols and chemical formulas.The reactants are present on the left hand side while the products are present on the right hand side.
A plus sign is present between reactants and products if they are more than one in any case and an arrow is present pointing towards the product side which indicates the direction of the reaction .There are coefficients present next to the chemical symbols and formulas .
The first chemical equation was put forth by Jean Beguin in 1615.By making use of chemical equations the direction of reaction ,state of reactants and products can be stated. In the chemical equations even the temperature to be maintained and catalyst can be mentioned.
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Which of the following factors would affect the rate at which the stages of death happen
A.Humidity
B.Temperature
C.If the person was sick
D.All of the choice would affect the rate
Does liquid detergent conduct electricity?
Answer:
Yes, it is a good conductor of electricity.
Explanation:
They allow electric particles to pass through them (the bases).
(Hope this made sense)
At equilibrium at 2500K, [HCl]=0.0625M and [H2]=[Cl2]=0.00450M for the reaction H2+Cl2 ⇌ HCl.
a. Determine the balanced equation and write the equilibrium expression
b. Determine the K eq
c. Will this process favor the reactants or products at equilibrium?
Answer:
a. [tex]H_2+Cl_2 \rightleftharpoons 2HCl[/tex]
b. K = 192.9
c. Products are favored.
Explanation:
Hello!
a. In this case, according to the unbalanced chemical reaction we need to balance HCl as shown below:
[tex]H_2+Cl_2 \rightleftharpoons 2HCl[/tex]
In order to reach 2 hydrogen and chlorine atoms at both sides.
b. Here, given the concentrations at equilibrium and the following equilibrium expression, we have:
[tex]K=\frac{[HCl]^2}{[H_2][Cl_2]}[/tex]
Therefore, we plug in the data to obtain:
[tex]K=\frac{(0.0625)^2}{(0.00450)(0.00450)}\\\\K=192.9[/tex]
c. Finally, we infer that since K>>1 the forward reaction towards products is favored.
Best regards!
K(s)+H2SO4(aq)
——>_____+______
K2SO4 + H2
Reason :Potassium is highly reactive
Answer:
K2SO4 + H2 this is the reaction.
Which of the following is an example of acceleration?
A. A boat sits on a boat trailer.
B. A car moves in a straight line at 60 km/hr.
C. A plane moves in air at a steady speed of 850 km/hr.
D. A bus moves on a straight road and then
makes a right turn.
Answer:
it's either B. or C.. hope this helps!
Explanation:
Answer:
D. A bus moves on a straight road and then makes a right turn.
Explanation:
Acceleration is a change in direction or speed. All of the other examples involve straight lines or constant speed.
Elements in a convolent bond are called ?
Answer:
A covalent bond is formed by an equal sharing of electrons from both the participating atoms. The pair of electrons participating in this type of bonding is called shared pair or bonding pair. The covalent bonds are also termed molecular bonds.
Please help me on this.
Answer: true
Explanation:
i hope this helps
Which of these compounds has the largest percentage by mass of nitrogen? NO N2O NO2 N2O3
The largest mass percentage of nitrogen in NO. Therefore, option (A) is correct.
What is the mass percentage?The percentage by mass of an element in a chemical compound can be described as the number of parts by mass of the element contained in 100 parts by mass of a chemical compound.
The mass percentage of an element can be determined in two steps:
First, calculate the molar mass of the compound and then the percentage of each element by dividing the total mass of the element present in the compound by the molecular mass of the compound multiplied by 100.
Given, the molecular formula of the compound is NO.
The molecular mass of the NO = 30 g/mol
The mass percentage of the Nitrogen = (14/30) × 100 = 46.67 %
the molecular formula of the compound is NO₂.
The molecular mass of the NO = 46 g/mol
The mass percentage of the Nitrogen = (14/46) × 100 = 30.4 %
the molecular formula of the compound is N₂O.
The molecular mass of the NO = 44 g/mol
The mass percentage of the Nitrogen = (14/44) × 100 = 31.81 %
the molecular formula of the compound is N₂O₃.
The molecular mass of the NO = 76 g/mol
The mass percentage of the Nitrogen = (28/76) × 100 = 36.84 %
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Which equation would be used to calculate the rate constant from initial
concentrations?
Answer: B
Explanation: I just did it
The equation for calculation of rate constant from initial concentration will be k= rate / [tex][A^{m}] [B^{n}][/tex]
What is rate constant?The proportionality variable in the expression represents the link between both the rate of a reaction as well as the concentrations of the reacting components often called the rate constant, sometimes specific rate constant.
What is equation?
A chemical reaction is represented by a word equation that uses the identities of the substance present.
The equation for calculation of rate constant from initial concentration will be k= rate / [tex][A^{m}] [B^{n}][/tex].
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