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Veseljchak [2.6K]
3 years ago
5

Please help as soon as possible please and thank you.

Chemistry
1 answer:
HACTEHA [7]3 years ago
8 0

Answer:

The answer is A. I took the test today.

Explanation:

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2A + B + 2C ? D + E
Amanda [17]

Answer:

C Rate =k [A]^{2} [B][C]^{-1}

Explanation:

In order to determine the correct rate law, let's use Trial 1 as baseline. Therefore:

An increase in [A] in Trial 2 by a factor of \sqrt{2} leads to an increase in the rate of reaction by a factor of 2 (i.e. the reaction rate is doubled). Thus, there is second order in [A].

Similarly,

An increase in [B] in Trial 3 by a factor of 1.667 leads to an increase in the rate of reaction by a factor of 1.667. Thus, there is first order in [B].

Futhermore,

An increase in [C] in Trial 4 by a factor of 1.71 leads to a decrease in the rate of reaction by 1.71. Thus, there is inverse first order in [C].

Therefore, the correct rate law is:

Rate =k [A]^{2} [B][C]^{-1}

8 0
3 years ago
The first stage in writing your paper is to make a list of questions that will enable you to research the topic. Your paper shou
Stella [2.4K]

Answer: There are two questions I could think of that weren't already on this list.

1) When did the genetic diversity of koalas decrease?

2) What kind of DNA does a koala have?

4 0
2 years ago
The movement of blood from your lungs to your heart is ______.
ruslelena [56]

Answer:

B. Pulmonary Circulation

Explanation:

Pulmonary circulation moves blood between the heart and the lungs. It transports deoxygenated blood to the lungs to absorb oxygen and release carbon dioxide. The oxygenated blood then flows back to the heart.

8 0
2 years ago
Fill in blank w more of less
mamaluj [8]

Answer:

1.Less Predators

2. More likely to survive.....

8 0
3 years ago
Elements beyond iron are not formed by a-particle capture. It is believed they are formed by neutron capture. Once the nucleus g
aev [14]

<u>Answer:</u> The equation is _{29}^{63}\textrm{Cu}\rightarrow _{30}^{63}\textrm{Zn}+_{-1}^0e

<u>Explanation:</u>

Neutron capture is a process where a neutron is converted into a proton and an electron. The released particle is known as beta particle and it carries a charge of -1 units and has a mass of 0 units. It is also known as an electron. The general equation for this process is:

_Z^A\textrm{X}\rightarrow _{Z+1}^A\textrm{Y}+ _{-1}^0\e

The nuclear equation for the formation of zinc via neutron capture of copper follows:

_{29}^{63}\textrm{Cu}\rightarrow _{30}^{63}\textrm{Zn}+_{-1}^0e

8 0
3 years ago
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