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Endo and Exothermic Reactions

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Total cards: 9•Content version: v3•Public deck•Updated: 8/1/2026

Card preview (9)

#1
Front (Question)

Exothermic reactions - energy transfer

Back (Answer)

Transfer energy to the surroundings leading to an increase in the temp of surroundings

#2
Front (Question)

Endothermic reactions - energy transfer

Back (Answer)

Takes in thermal energy from the surroundings leading to a decrease in temp of surroundings

#3
Front (Question)

What is the transfer of thermal energy during a reaction called

Back (Answer)

Enthalpy

#4
Front (Question)

Enthalpy symbol

Back (Answer)

ΔH

#5
Front (Question)

What is the ΔH of a endo reaction

Back (Answer)

Positive

#6
Front (Question)

What is the ΔH of a exo reaction

Back (Answer)

Negative

#7
Front (Question)

Activation energy (Ea)

Back (Answer)

Minimum energy that colliding particles must have to react

#8
Front (Question)

Is bond breaking endo or exo

Back (Answer)

Endo

#9
Front (Question)

Is bond making endo or exo

Back (Answer)

Exo