What does the exponential factor represent?

The total number of reactants in a reaction.

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The amount of energy needed to start a chemical reaction.

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The fraction of reactants that have approached the activation energy hill and made it over per number of attempts.

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The fraction of reaction energy given off per unit of time.

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The fraction of products that have approached the activation energy hill and made it over per number of attempts.

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Solution

The correct option is C The fraction of reactants that have approached the activation energy hill and made it over per number of attempts.
The exponential factor represents the fraction of "reactants" that have approached the activation energy hill and made it over per number of attempts.

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Similar questions

The activation energy for the reaction

2HI₍_g₎ → H₂ + I₂₍_g₎

is 209.5 kJ mol⁻¹ at 581K. Calculate the fraction of molecules of reactants having energy equal to or greater than activation energy?

{2 H I}_{(g)} \to H_{2} I_{2 (g)}

209.5 {m o l}^{- 1}

H I (g) \to H_{2} + I_{2} (g)

209.5 k J m o l^{- 1}

H_{2} O_{2} \to H_{2} O + \frac{1}{2} O_{2}

18 K c a l / m o l

300 K

(- 13.02) = 9.36 \times 10^{- 14}

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