45. A50g sample of NaCl is added to a Styrofoam cup of water, and the change in water temperature is 5.0 °C. The heat of solution of NaCl is 3.76 kJ/ mol. What is the mass (in g) of water in the Styrofoam cup? Use Hess's law to determine AH for the reaction -COg), given that Cpmphite) +04g) - - CO(g) AH = -110.54k] Cigaphite)+Ofg) CO(g) AH-393.51 k]
45. A50g sample of NaCl is added to a Styrofoam cup of water, and the change in water temperature is 5.0 °C. The heat of solution of NaCl is 3.76 kJ/ mol. What is the mass (in g) of water in the Styrofoam cup? Use Hess's law to determine AH for the reaction -COg), given that Cpmphite) +04g) - - CO(g) AH = -110.54k] Cigaphite)+Ofg) CO(g) AH-393.51 k]
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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