Chem 102 Exam 1
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Last updated 3:30 PM on 8/19/26
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10 Terms
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Kinetic energy
Energy of an object in motion
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Potential energy
Energy that a substance has because of its composition
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Universe=
system+surroundings
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change in E=
q+w
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Exothermic
Release of energy, q<0
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Endothermic
Absorption of energy, q>0
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Work is being done on a system
gains energy, w>0
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Work is being done by a system
loses energy, w<0
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Into system
Energy is absorbed, q>0, endothermic, ex. breaking bonds requires energy to move into the system in order for them to break
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Out of system
Energy is released, q<0, exothermic, ex. forming new bonds releases energy into its surroundings and out of its system