A quiz over heat changes in reactions and the factors affecting reaction rate.
Lower the temperature of the reaction vessel.
Use larger chunks of reactants.
Increase the concentration of the reactants.
Use a larger beaker for the reaction, instead of a smaller one.
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Energy of reactants
Energy of products
Energy of activated complex
Change in enthalpy
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Endothermic
Exothermic
Catalyzed
A multi-step reaction mechanism
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A substance which speeds up a reaction without being consumed.
A substance which adds sufficient heat to a chemical reaction to allow it to react.
A substance which grinds the reactants into smaller pieces so they can react faster.
A substance which prevents a reaction from happening at all.
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Progress of the reaction
Time
Potential energy
Mass of the reactants
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Catalyst.
Substrate.
Joule.
Activated complex.
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Question (in grams).
Heat (in joules).
Specific heat capacity (in Joules/gram-degrees Celsius).
Change in temperature (in degrees Celsius).
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Activation energy
Energy of products
Energy of activated complex
Change in enthalpy
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Activation energy
Energy of products
Energy of activated complex
Change in enthalpy
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