Unit 5 Vocabulary Quiz
Authored by Franchesca Santos
Chemistry
9th - 12th Grade
Used 4+ times
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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Exothermic Reaction
A chemical reaction that releases energy in the form of heat, light, sound, electricity, or motion
A chemical reaction that absorbs energy in the form of heat
A property related to the energy of a system
States that the enthalpy change of a reaction is equal to the sum of enthalpy changes fir individual steps in the process
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Endothermic Reaction
A chemical reaction that releases energy in the form of heat, light, sound, electricity, or motion
A reaction that absorbs energy in the form of heat
Substance that changes the rate of a chemical reaction without being consumed during the reaction
Measure of the change in concentration of reactants per unit of time as the reaction proceeds
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Reaction Rate
Substance that changes the rate of a chemical reaction without being consumed during the reaction
Measure of the change in concentration of reactants per unit of time as the reaction proceeds
Minimum energy required for collision of reactant particles to result in a reaction
A chemical reaction that releases energy in the form of heat, light, sound, electricity, or motion
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Catalyst
States that the enthalpy change of a reaction is equal to the sum of enthalpy changes for individual steps in the process
States in order for a chemical reaction to occur, particles must collide
Minimum energy required for collision of reactant particles to result in a reaction
Substance that changes the rate of a chemical reaction without being consumed during the reaction
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Enthalpy
States in order for a chemical reaction to occur, particles must collide
States that the enthalpy change of a reaction is equal to the sum of enthalpy changes for individual steps in the process
A property related to the energy of a system
Minimum energy required for collision of reactant particles to result in a reaction
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Collision Theory
Minimum energy required for collision of reactant particles to result in a reaction
A reaction that absorbs energy in the form of heat
States in order for a chemical reaction to occur, particles must collide
States that the enthalpy change of a reaction is equal to the sum of enthalpy changes for individual steps in the process
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hess's Law
States that the enthalpy change of a reaction is equal to the sum of enthalpy changes for individual steps in the process
Minimum energy required for collision of reactant particles to result in a reaction
States that in order for a chemical reaction to occur, particles must collide
A property related to the energy of a system
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