chemical reactions and energy Flashcards
1
Q
how can chemical reactions be classified
A
endothermic or exothermic
2
Q
endothermic
A
take energy in from the surroundings
lower the surroundings temperature
3
Q
exothermic
A
releases energy into the surroundings
raise the surrounding temperature
4
Q
draw the energy profile for an endothermic reaction
A
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5
Q
raw the energy profile of an endothermic reaction
A
6
Q
what is the activation energy
A
the amount of energy it take for the reaction to start
7
Q
hat does the energy profile show
A
how the energy of the chemical changes
