Question

In: Chemistry

1. The rate constant for the reaction 2A → B is 7.25 × 10−3 s−1 at...

1. The rate constant for the reaction

2A

→

B

is 7.25

×

10⁻³ s⁻¹ at 110

°

C. The reaction is first order in A. How long (in seconds) will it take for [A] to decrease from 1.81 M to 0.750 M?

2. The following reaction,

2A

→

B

is first order in A and has a rate constant, k, of 7.5

×

10⁻³ s⁻¹ at 110

°

C. With a starting concentration of [A] = 1.65 M, what will [A] be after 1.5 min?
M

3. Consider the reaction

4PH₃(g)

→

P₄(g) + 6H₂(g)

At a particular point during the reaction, molecular hydrogen is being formed at the rate of

0.183 M/s.

(a) At what rate is P₄ being produced?

M/s

(b) At what rate is PH₃ being consumed?

M/s

Expert Solution

queen_honey_blossom answered 2 years ago

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1. The rate constant for the reaction 2A → B is 7.25 × 10−3 s−1 at...

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