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OpenStudy (serenity2001):
Which of the following is an endothermic reaction? a) the reaction in a cold pack b) condensation of steam c) an explosion d) combustion of methane
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OpenStudy (aaronq):
endothermic reactions absorb thermal energy from their surroundings, and therefore the surroundings drop in temperature. Which of these causes the surroundings to drop in temperature?
OpenStudy (serenity2001):
a?
OpenStudy (aaronq):
that is correct.
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