Consider two gases, a and b, are in a container at room temperature. what effect will the following changes have on the rate of the reaction between these gases? the number of molecules of gas a is doubled.
a. decrease
b. increase

B: increase.

Explanation:

When we are considering two gases A and B in a container at room temperature .

We have to find the change on  rate of reaction when the number of molecules of gases A is doubled

Let [A]=a and [B]=b

A+B product

Rate of reaction

We know that concentration is increases with increase in number of moles

When the number of molecules of gases A is doubled then concentration of gases A increases.

Therefore ,[A]=2a

Rate of reaction

Hence, the rate of reaction is  2 times the initial rate of reaction.Therefore, the rate of reaction will increase when the number of molecules of gases A is doubled.

B: increase.

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explanation:

i think it's c. if you look search electronic symbol on google and then click on wiki it shows you a