Which of the following statements correctly describes an exothermic reaction?
Exothermic and Endothermic Reactions Quiz

Quiz
•
Science
•
12th Grade
•
Hard
Emily Hoysted
Used 2+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In an endothermic reaction, which of the following occurs?
Bond making releases more energy than bond breaking.
Bond breaking absorbs more energy than bond making releases.
Bond making absorbs more energy than bond breaking releases.
Bond breaking releases more energy than bond making absorbs.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the unit of molar enthalpy change?
kJ
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a characteristic of an energy profile diagram for an exothermic reaction?
The products are at a higher energy level than the reactants.
The reactants are at a higher energy level than the products.
The energy level of the reactants and products is the same.
The activation energy is zero.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is true for the incomplete combustion of a hydrocarbon?
It produces only carbon dioxide and water.
It produces carbon monoxide, carbon, and water.
It requires more oxygen than complete combustion.
It is an endothermic process.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the enthalpy change for a reaction if the energy required to break bonds is 500 kJ and the energy released in making bonds is 800 kJ?
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