Rate of Reaction – Grade 11 Quiz

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Test your understanding of reaction rates.

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Rate of Reaction – Grade 11 Quiz


Rate of Reaction – Grade 11 QuizVersion en ligne Test your understanding of reaction rates. par science rania 1 The rate constant k depends on temperature (as described by the Arrhenius equation). Yes No 2 The rate of reaction can be negative. Yes No 3 A catalyst increases the rate by providing an alternative pathway with lower activation energy. Yes No 4 Doubling the concentration of a reactant always doubles the rate regardless of reaction order. Yes No 5 The rate of reaction increases with higher temperature due to more effective collisions. Yes No 6 Catalysts are consumed during the reaction. Yes No 7 For a first-order reaction in A, doubling the concentration of A doubles the rate. Yes No 8 Increasing temperature leads to a lower rate of reaction. Yes No 9 The rate of reaction is the change in concentration of reactants or products per unit time. Yes No 10 The rate constant k has the same value for all reactions at a given temperature. Yes No 11 The Boltzmann factor e^(-Ea/RT) represents the fraction of collisions with enough energy to overcome the activation energy. Yes No 12 The Arrhenius equation implies that the rate constant decreases exponentially with increasing temperature. Yes No 13 The Boltzmann distribution describes the fraction of molecules with kinetic energy above the activation energy at a given temperature. Yes No 14 A higher temperature shifts the Boltzmann distribution to the right, increasing the proportion of high-energy molecules. Yes No 15 The Boltzmann distribution predicts that all molecules have the same energy at a given temperature. Yes No 16 A catalyst changes the Boltzmann distribution of reactant energies at a fixed temperature. Yes No 17 Activation energy Ea is the same as the overall enthalpy change ΔH of the reaction. Yes No 18 The Arrhenius equation k = A e^(-Ea/RT) relates the rate constant to activation energy and temperature. Yes No 19 Increasing pressure alone always increases the reaction rate regardless of the mechanism. Yes No 20 The rate of a reaction increases with temperature because more molecules have energy above the activation energy. Yes No

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Rate of Reaction – Grade 11 Quiz

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À propos de cette activité

Créé par

Téléchargez la version pour jouer sur papier

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Foot and Ankle Anatomy Quiz

Rate of Reaction – Grade 11 QuizVersion en ligne

par science rania

The rate constant k depends on temperature (as described by the Arrhenius equation).

The rate of reaction can be negative.

A catalyst increases the rate by providing an alternative pathway with lower activation energy.

Doubling the concentration of a reactant always doubles the rate regardless of reaction order.

The rate of reaction increases with higher temperature due to more effective collisions.

Catalysts are consumed during the reaction.

For a first-order reaction in A, doubling the concentration of A doubles the rate.

Increasing temperature leads to a lower rate of reaction.

The rate of reaction is the change in concentration of reactants or products per unit time.

The rate constant k has the same value for all reactions at a given temperature.

The Boltzmann factor e^(-Ea/RT) represents the fraction of collisions with enough energy to overcome the activation energy.

The Arrhenius equation implies that the rate constant decreases exponentially with increasing temperature.

The Boltzmann distribution describes the fraction of molecules with kinetic energy above the activation energy at a given temperature.

A higher temperature shifts the Boltzmann distribution to the right, increasing the proportion of high-energy molecules.

The Boltzmann distribution predicts that all molecules have the same energy at a given temperature.

A catalyst changes the Boltzmann distribution of reactant energies at a fixed temperature.

Activation energy Ea is the same as the overall enthalpy change ΔH of the reaction.

The Arrhenius equation k = A e^(-Ea/RT) relates the rate constant to activation energy and temperature.

Increasing pressure alone always increases the reaction rate regardless of the mechanism.

The rate of a reaction increases with temperature because more molecules have energy above the activation energy.