Author Question: Two isomers (A and B) of a given compound dimerize as follows: 2A A2 2B B2Both processes are ... (Read 169 times)

shenderson6 · **on:** Mar 21, 2021

Two isomers (A and B) of a given compound dimerize as follows:
2A → A₂
2B → B₂
Both processes are known to be second order in reactant, and k₁ is known to be
0.25 L/mol·s at 25°C, where
Rate = –

= k₁[A]²
In a particular experiment, A and B were placed in separate containers at 25°, where
[A]₀ = 1.0 × 10^–2M and [B]₀ = 2.5 × 10^–2M. It was found that [A] = 3[B] after the reactions progressed for 3.0 minutes. Calculate the concentration of A2 after 3.0 minutes.

Reference: Ref 12-15

◦ 2.8 × 10^–22M
◦ 6.9 × 10^–3M
◦ 3.1 × 10^–3M
◦ 1.6 × 10^–3M
◦ None of these are correct.

vseab · **Reply #1 on:** Mar 21, 2021

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