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10) Compound A is burned in a bomb calorimeter that contains 2500.0 g of water. If the combustion of 0.175 moles of this compound causes the temperature of the water to rise 45.0°C, what is the molar heat of combustion of compound A in kJ/mol? The heat capacity of water is 4.18 J/gC.

10) Compound A is burned in a bomb calorimeter that contains 2500.0 g of water. If the combustion of 0.175 moles of this compound causes the temperature of the water to rise 45.0°C, what is the molar heat of combustion of compound A in kJ/mol? The heat capacity of water is 4.18 J/gC.

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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5:50 1 Calorimetry Practice.pdf 7) The heat of combustion of methane is 212.8 kcał per mole. How much heat will be produced in the combustion of 100.0 g of methane, CH4? 8) A piece of metal with a mass of 75.5 g is heated to 84.5°C and added to 100.0 ml of water at 5.0°C. The final temperature of the mixture is 75.0°C. Find the specific heat of the metal in cal/gC. Copper has a density of 8.94 g/cm3 and a specific heat of 0.090 cal/gC. A cube of heated from 10.5°C to 21.4°C. The cube of copper has dimensions of 5.00 cm. How BONUS. copper much heat would the copper cube absorb? 9) When a 4.25 g sample of solid ammonium nitrate dissolves in 60.00 g of water in a coffee-cup calorimeter, the temperature drops from 22.0°C to 16.9°C. Calculate AH (in kJ/mol NH4NO3) for the solution process NH4NO3 (s) --> NH41+(aq) + NO31- (aq) Assume that the specific heat of the solution is the same as that of pure water. 10) Compound A is burned in a bomb calorimeter that contains 2500.0 g of water. If the combustion of 0.175 moles of this compound causes the temperature of the water to rise 45.0C, is the molar heat of combustion of compound A in kJ/mol? The heat capacity of water is 4.18 J/gC.
Transcribed Image Text:5:50 1 Calorimetry Practice.pdf 7) The heat of combustion of methane is 212.8 kcał per mole. How much heat will be produced in the combustion of 100.0 g of methane, CH4? 8) A piece of metal with a mass of 75.5 g is heated to 84.5°C and added to 100.0 ml of water at 5.0°C. The final temperature of the mixture is 75.0°C. Find the specific heat of the metal in cal/gC. Copper has a density of 8.94 g/cm3 and a specific heat of 0.090 cal/gC. A cube of heated from 10.5°C to 21.4°C. The cube of copper has dimensions of 5.00 cm. How BONUS. copper much heat would the copper cube absorb? 9) When a 4.25 g sample of solid ammonium nitrate dissolves in 60.00 g of water in a coffee-cup calorimeter, the temperature drops from 22.0°C to 16.9°C. Calculate AH (in kJ/mol NH4NO3) for the solution process NH4NO3 (s) --> NH41+(aq) + NO31- (aq) Assume that the specific heat of the solution is the same as that of pure water. 10) Compound A is burned in a bomb calorimeter that contains 2500.0 g of water. If the combustion of 0.175 moles of this compound causes the temperature of the water to rise 45.0C, is the molar heat of combustion of compound A in kJ/mol? The heat capacity of water is 4.18 J/gC.
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