Question

With steps please!!!

5) When the following reaction is balanced with the lowest integers, what is the sum of the

coefficients?

N​2O​ ​5(​ g) ​→​ NO​2​ (g) + O​2(​ g)

a. 8

b. 7
c. 9

d. 10

e. 12

6. For the reaction: H​2O​ ​2(​ aq) + 3I–​ ​(aq) + 2H+​ ​(aq) ​→​ H​2O​ (l) + 2I​3​ -​ ​(aq) , what is the rate of change of [I-​ ​],

   if the rate of the reaction is 0.112 M​s-​ 1​?

   1. -0.112 Ms-​ 1

   2. -0.037 Ms-​ 1

   3. -0.019 Ms-​ 1

   4. -0.34 Ms-​ 1

   5. 0.17 Ms-​ 1

Answer 1