Hess’s Law – Coffee Cup Calorimetry – Level 1 You are perfo…
Questions
Hess's Lаw - Cоffee Cup Cаlоrimetry - Level 1 Yоu аre performing a reaction in a coffee cup calorimeter. You add a 1.00 g piece of magnesium metal (Mg) to 100.0 mL of 1.00 M hydrochloric acid (HCl). The reaction that occurs is:Mg(s) + 2HCl(aq) → MgCl₂(aq) + H₂(g)During the reaction, the temperature of the solution increases from 25.0°C to 32.5°C. Assume the specific heat capacity of the solution is the same as water, 4.18 J/g°C, and the density of the solution is 1.00 g/mL.Calculate the enthalpy change of the reaction (ΔH) using Hess's Law.
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