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MariettaO [177]
3 years ago
10

Which of the following pairs of substances can be broken down chemically? 

Chemistry
1 answer:
Ket [755]3 years ago
5 0
Methane and water because they are both compounds
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The formation of nitrogen dioxide and oxygen,
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Answer:

The rate of reaction changes by a factor 6.

Explanation:

Given the reaction is first order.

Let us assume the initial concentration of NO is A and the initial concentration of O_3 is B.

So, we can write the rate of the reaction as

R=k[A][B]

Where,

R is the rate of reaction. And k is the rate constant.

Also, the initial concentration of NO has been increased by 0.5, and the initial concentration of  O_3 was increased by factor 4.

So, we have

R'=k[1.5A][4B]\\R'=6k[A][B]\\R'=6R

We can see the rate of reaction changes by a factor 6.

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