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?
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?
General Chemistry - Standalone book (MindTap Course List)
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ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
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Chapter6: Thermochemisty
Section: Chapter Questions
Problem 6.110QP: A 29.1-mL sample of 1.05 M KOH is mixed with 20.9 mL of 1.07 M HBr in a coffee-cup calorimeter (see...
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Question 7 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?
8. 66.80 g of lead is heated to 155°C and then placed into a foam cup calorimeter containing 70.0 mL of water
at 15.2°C. Assuming no heat loss, calculate the final temperature of the water and lead.
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