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(Solved) : Zinc Metal Reacts With Hydrochloric Acid According To The Following Balanced Equatio 6024117


Zinc metal reacts with hydrochloric acid according to the following balanced equation.
Zn(s) + 2HCl(aq) -> ZnCl2(aq) + H2(g)

When 0.104g of Zn(s) is combined with enough HCl to make 54.5 mL of solution in a coffee-cup calorimeter, all of the zinc reacts, raising the temperature of the solution from 22.4 Celcius to 24.7Celcius.

Find the delta Hrxn (in kJ/mol) for this reaction as written. (Use 1.0g/mL for the density of the solution and 4.18 J/g *Celcius as the specific heat capacity.)



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