Concept Check
Authored by Zoey Hunter
Chemistry
University
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58 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Should the following reaction be endothermic or exothermic? O₂N–NO₂ → O₂N + NO₂
Endothermic
Exothermic
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of reaction is described if it involves only the breaking of a chemical bond?
Exothermic
Endothermic
Neutral
Spontaneous
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fill in the blank: ________ is conserved in a chemical reaction.
Energy
Mass
Volume
Temperature
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the area of science concerned with energy’s roles?
Biology
Thermodynamics
Physics
Chemistry
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fill in the blank: The first law of thermodynamics states that energy does not ________ or ________.
appear, disappear
increase, decrease
multiply, divide
expand, contract
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fill in the blank: One of the main driving forces of chemical and physical changes is the tendency of ______ to disperse.
energy
mass
volume
pressure
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following best describes reactions that concentrate energy?
They tend to occur frequently
They do not tend to occur
They always release energy
They are described by the first law of thermodynamics
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