Zinc metal reacts with hydrochloric acid according to the following balanced equation.
Zn(s) +2HCl(aq) →ZnCl2(aq) +H2(g)
When 0. 121 g of Zn(s) is combined with enough HCl to make 52. 5 mL of solution in a coffee-cup calorimeter, all of the zinc reacts, raising the temperature of the solution from 21. 8 ∘C to 23. 9 ∘C. Find the Enthalpy change (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)
