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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Question 6 please
Transcribed Image Text:6. 100. mL of 0.500 M HCI is mixed with 100. mL of 0.500 M NaOH in a foam cup calorimeter. The
initial temperatures of both solutions are 22.50°C. After the reaction occurs, the temperature rises to 26.00°C.
Calculate the enthalpy change for the reaction. Assume the densities of the solutions are 1.00 g/mL and the
specific heat is 4.18 J/g°C.
7. An ice cube is dropped into a foam cup calorimeter containing 95.0 mL of water at 20.0°C. The temperature
drops to 13.7°C as the ice cube melts. How much total heat (in kJ) was released by the water into the ice cube?
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