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3 cards from this section. Quick, good the night before a test.
What is an exothermic reaction?
Think about what happens in a combustion reaction.
Does the temperature of the surroundings increase or decrease in an exothermic reaction?
Consider how a campfire warms the surrounding area.
What type of reaction absorbs heat?
Recall what happens during photosynthesis.
True or False: An exothermic reaction has a positive enthalpy change.
Relate it to a fire releasing heat.
A reaction releases 150 kJ of heat during combustion. Classify the reaction and explain the implication of its enthalpy change.
Consider combustion engines or burning fuels.
During a dissolution process, 30 kJ of heat is absorbed. Classify this process and discuss its everyday applications.
Think about how we utilize cooling in various products.
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