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8 Cards in this Set

  • Front
  • Back
when heat flows from the surroundings and is absorbed by the system, the process is?
endothermic
an equation that includes the heat change is called what?
thermochemical equation
the units of heat are what?
joules
if the reaction is endothermic, the heat of reaction is written as a?
reactant
if the reaction is exothermic, the heat of reaction is written as a?
product
if delta H is negative, the reaction is?
exothermic
if delta H is positive, the reaction is?
endothermic
what happens to the temperature of a substance during a phase change?
the temperature does not change