PLZ HELP ASAP A 50.0 mL sample of a 1.00 M solution of CuSO4 is mixed with 50.0 mL of 2.00 M KOH in a calorimeter. CuSO4 (1M) + 2KOH (2M) Cu(OH)2 (s) + K2SO4 (0.5M). The temperature of both solutions was 20.2 °C before mixing and 26.3 °C after mixing. The heat capacity of the calorimeter is 12.1 J/°C. Assume the specific heat and density of the solution after mixing are the same as those of pure water. From this data, calculate the ΔH for the process if there is 0.05 mols of CuSO4.
(Energy of the water + Energy of the calorimeter)/(1000 x mol)= kJ/mol of reaction)

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chemical changes occur when a substance combines with another to form a new substance, called chemical synthesis or, alternatively, chemical decomposition into two or more different substances. these processes are called chemical reactions and, in general, are not reversible except by further chemical reactions. some reactions produce heat and are called exothermic reactions and others may require heat to enable the reaction to occur, which are called endothermic reactions. understanding chemical changes is a major part of the science of chemistry.