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When 0.620 gMngMn is combined with enough hydrochloric acid to make 100.0 mLmL of solution in a coffee-cup calorimeter, all of the MnMn reacts, raising the temperature of the solution from 23.1 ∘C∘C to 28.9 ∘C∘C. Find ΔHrxnΔHrxn for the reaction as written. (Assume that the specific heat capacity of the solution is 4.18 J/g∘CJ/g∘C and the density is 1.00 g/mLg/mL.)
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When 0.620 gMngMn is combined with enough hydrochloric acid to make 100.0 mLmL of solution in a coff...
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