The Rate Constant for the Gas-Phase Reaction

question 9

Multiple Choice

The rate constant for the gas-phase reaction
H₂(g) + I₂(g)  2 HI(g)
Has the value 4.45  10^-5 mol^-1 dm³ s^-1. What is the equivalent rate constant in units of molecule^-1 cm³ s^-1?

• A) 7.39  10^-28 molecule^-1 cm³ s^-1
• B) 7.39  10^-29 molecule^-1 cm³ s^-1
• C) 4.45  10^-2 molecule^-1 cm³ s^-1
• D) 7.39  10^-26 molecule^-1 cm³ s^-1

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