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You have two beakers, one with 45.5 g of Compound A, the other with 55.5 g of Compound B. You measure the temperature of Compound A and record a value of 20.5 ºC. You mix Compound A and B together and the new temperature is recorded at 5.6 ºC. If the heat capacity of the new solution is 5.64 J/(g ºC), determine the heat exchanged (in J) in the reaction.

Please help me ASAP, thank you.