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5 Chemical energetics
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Total cards: 9•Content version: v3•Public deck•Updated: 8/1/2026
Card preview (9)
#1
Front (Question)
exothermic reaction
Back (Answer)
transfers thermal energy to the surroundings leading to the increase of temperature of the surroundings
#2
Front (Question)
endothermic reaction
Back (Answer)
takes in thermal energy from the surroundings leading to a decrease of temperature of the surroundings
#3
Front (Question)
enthalpy
Back (Answer)
transfer of thermal energy during a reaction
#4
Front (Question)
what is the transfer of thermal energy during a reaction called?
Back (Answer)
enthalpy change
#5
Front (Question)
enthalpy change in exothermic
Back (Answer)
negative
#6
Front (Question)
enthalpy change in endothermic
Back (Answer)
positive
#7
Front (Question)
activation energy Ea
Back (Answer)
minimum energy that colliding particles must have to react
#8
Front (Question)
bond breaking
Back (Answer)
endothermic
#9
Front (Question)
bond making
Back (Answer)
exothermic