Atomic Masses And Composition Of Nucleus

To solve the problem, we need to determine the rates of production of and in the zero-order decomposition of on a platinum surface, given .

1. Write the Balanced Reaction:
The decomposition of is:

.

2. Understand Zero-Order Kinetics:
For a zero-order reaction, the rate of decomposition of is , independent of . This is the rate of consumption of .

3. Relate Rates Using Stoichiometry:
The reaction rate in terms of consumption is . For zero-order, . Thus, the rate of consumption of is:

.

4. Calculate Rate of Production of :
From the stoichiometry, of produce of . So, :

.

5. Calculate Rate of Production of :
From the stoichiometry, of produce of . So, :

.

Final Answer:
The rate of production of is , and the rate of production of is .

To solve the problem, we need to determine the time required for the concentration of A in a zero-order reaction to decrease from 0.10 M to 0.075 M, given the rate constant .

1. Understand the Zero-Order Kinetics:
For a zero-order reaction , the rate law is , and the integrated rate law is:

,
where is the initial concentration, is the concentration at time , and is the rate constant.

2. Rearrange for Time :
Rearrange the equation to solve for :

.

3. Substitute the Given Values:
, , and . Plugging in:

.

4. Calculate :
.

Final Answer:
It will take approximately for the concentration of A to fall from 0.10 M to 0.075 M.