Author Question: The isomerization reaction, CH3NC CH3CN, is first order and the rate constant is equal to 0.46 s-1 ... (Read 39 times)

roselinechinyere27m · **on:** Jul 8, 2021

Question 1

The isomerization of methylisonitrile to acetonitrile

CH₃NC(g) → CH₃CN(g)

is first order in CH₃NC. The half-life of the reaction is 5.20 × 10¹ s at 545 K. The rate constant when the initial [CH₃NC] is 0.030 mol L^-1 is ________ s^-1.
◦ 75.1
◦ 0.641
◦ 0.0133
◦ 1.56
◦ 2.84 × 10⁴

Question 2

The isomerization reaction, CH₃NC → CH₃CN, is first order and the rate constant is equal to 0.46 s^-1 at 600 K. What is the concentration of CH₃NC after 0.20 minutes if the initial concentration is 0.30 mol L^-1?
◦ 1.2 × 10^-³ mol L^-1
◦ 2.7 × 10^-³ mol L^-1
◦ 1.2 × 10^-¹ mol L^-1
◦ 2.7 × 10^-¹ mol L^-1

Kjones0604 · **Reply #1 on:** Jul 8, 2021

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