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Fast-moving particles decrease the rate of reaction by allowing less energy to be available for activation energy.
Fast-moving particles decrease the rate of reaction by allowing less energy to be available for activation energy.
False
A catalyst is a substance that can be used up during a chemical reaction.
A catalyst is a substance that can be used up during a chemical reaction.
False
An inhibitor is a substance that speeds up reaction rates.
An inhibitor is a substance that speeds up reaction rates.
False
Increasing the surface area of reactants can lead to a higher rate of reaction.
Increasing the surface area of reactants can lead to a higher rate of reaction.
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Reactivity differences between substances have no relation to their structures.
Reactivity differences between substances have no relation to their structures.
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The rate of a chemical reaction can be measured by the change in concentration of reactants over time.
The rate of a chemical reaction can be measured by the change in concentration of reactants over time.
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An exothermic reaction absorbs energy from its surroundings.
An exothermic reaction absorbs energy from its surroundings.
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Collision theory states that reactions occur when particles collide with sufficient kinetic energy.
Collision theory states that reactions occur when particles collide with sufficient kinetic energy.
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Increasing the concentration of reactants generally slows down the rate of reaction.
Increasing the concentration of reactants generally slows down the rate of reaction.
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The minimum amount of energy required for a reaction to occur is known as the kinetic energy.
The minimum amount of energy required for a reaction to occur is known as the kinetic energy.
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A reaction that produces ice cubes is categorized as endothermic.
A reaction that produces ice cubes is categorized as endothermic.
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Endothermic reactions release heat while breaking chemical bonds.
Endothermic reactions release heat while breaking chemical bonds.
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Heating a substance decreases the kinetic energy of its particles, thus reducing the rate of reaction.
Heating a substance decreases the kinetic energy of its particles, thus reducing the rate of reaction.
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