A 0.500g sample of KCI is added to 50.0g of water in a calorimeter. If the temperature decreases by 1.05 degrees C, what is the approximate amount of heat involved in the dissolution of the KCI, assuming the specific heat of the resulting solution is 4.18 J/g C? Answer in joules

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A: Mass of solution in grams is determined as follows,

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A:

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Q: A 22.0 g block of copper at 45'C absorbs 2.50 kJ of heat. Given the specific heat of Cu is 0.385…

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Q: en the thermochemical equation : O2(g) + O₂(g) Ⓡ2SO3(g), DH rxn= -198 kJ/mol, w much heat is evolved…

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A: The equation is:

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Q: the amount of heat released (in kJ)

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