Bonus please 5:50 1Calorimetry Practice.pdf7) The heat of combustion of methane is 212.8 kcał per mole. How much heat will be produced inthe 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 waterat 5.0°C. The final temperature of the mixture is 75.0°C. Find the specific heat of the metal incal/gC.Copper has a density of 8.94 g/cm3 and a specific heat of 0.090 cal/gC. A cube ofheated from 10.5°C to 21.4°C. The cube of copper has dimensions of 5.00 cm. HowBONUS.coppermuch 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-cupcalorimeter, the temperature drops from 22.0°C to 16.9°C. Calculate AH (in kJ/mol NH4NO3) forthe solution processNH4NO3 (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 thecombustion 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.

Answered: Image /qna-images/answer/b85847b8-25bf-4200-b815-f7b41887aedc.jpg

BONUS. Copper has a density of 8.94 g/cm3 and a specific heat of 0.090 cal/goC. A cube of copper is heated from 10.5°C to 21.4°C. The cube of copper has dimensions of 5.00 cm. How much heat would the copper cube absorb?

BONUS. Copper has a density of 8.94 g/cm3 and a specific heat of 0.090 cal/goC. A cube of copper is heated from 10.5°C to 21.4°C. The cube of copper has dimensions of 5.00 cm. How much heat would the copper cube absorb?

Chemistry for Engineering Students

4th Edition

ISBN:9781337398909

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter9: Energy And Chemistry

Section: Chapter Questions

Problem 9.104PAE: 9.104 An engineer is using sodium metal as a cooling agent in a design because it has useful thermal...

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Question

Bonus please

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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