Magnesium metal reacts with HCl according to the following balanced equation: Mg(s)  +      2 HCl (aq) è    MgCl2(aq)     +     H2(g) In an experiment to determine the enthalpy change for this reaction, we combine 0.158 g of Mg metal with enough HCl to make 100.0 mL of solution in a coffee cup calorimeter. The HCl is sufficiently concentrated so that        the Mg completely reacts. The temperature of the solution rises from 25.6 0C to 32.8 0C as a result of the reaction. Find qsoln of the reaction as written. Use 1.00 g/ml as density of the solution and Csoln = 4.18 J/g *0C as the specific heat capacity of the solution.

Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter5: Principles Of Chemical Reactivity: Energy And Chemical Reactions
Section5.6: Calorimetry
Problem 5.7CYU: Assume 200. mL of 0.400 M HCl is mixed with 200. mL of 0.400 M NaOH in a coffee-cup calorimeter The...
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Magnesium metal reacts with HCl according to the following balanced equation:

Mg(s)  +      2 HCl (aq) è    MgCl2(aq)     +     H2(g)

In an experiment to determine the enthalpy change for this reaction, we combine 0.158 g of Mg metal with enough HCl to make 100.0 mL of solution in a coffee cup calorimeter. The HCl is sufficiently concentrated so that        the Mg completely reacts. The temperature of the solution rises from 25.6 0C to 32.8 0C as a result of the reaction. Find qsoln of the reaction as written. Use 1.00 g/ml as density of the solution and Csoln = 4.18 J/g *0C as the specific heat capacity of the solution.

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