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• Part A Enter a balanced reaction for the complete combustion of hydrogen. Express your answer as a chemical equation. Identify all of the phases in your answer. 2H2(g}+ O2(g}>2H20(g) Submit Previous Answers v Correct The balanced combustion equation is 2H2(g) + 02(s)→2H2O(g) • Part B Use standard enthalpies of formation to calculate the amount of heat released per kilogram of hydrogen fuel. Express your answer using four significant figures. amount of heat released = 142900 kJ/kg Previous Answers Request Answer Submit x Incorrect; Try Again; 3 attempts remaining - Part C Enter a balanced reaction for the complete combustion of methanol. Express your answer as a chemical equation. Identify all of the phases in your answer. 2CH3OH(1)+ 302(g}+2CO2(g}+ 4H2O(g) Previous Answers Submit v Correct The balanced combustion equation is 2CH3OH(1) + 302(g) → 2CO2(g) + 4H2O(g) • Part D Use standard enthalpies of formation to calculate the amount of heat released per kilogram of methanol fuel. Express your answer using four significant figures. kJ/kg amount of heat released = Request Answer Submit • Part E Which fuel contains the most energy in the least mass? hydrogen methanol Request Answer Submit Part F To compare the energy of these fuels to that of octane (C3H18 , calculate the energy released per kilogram of octane. Express your answer using four significant figures. |kJ/kg amount of heat released by octane = Request Answer Submit Provide Feedback

• Part A Enter a balanced reaction for the complete combustion of hydrogen. Express your answer as a chemical equation. Identify all of the phases in your answer. 2H2(g}+ O2(g}>2H20(g) Submit Previous Answers v Correct The balanced combustion equation is 2H2(g) + 02(s)→2H2O(g) • Part B Use standard enthalpies of formation to calculate the amount of heat released per kilogram of hydrogen fuel. Express your answer using four significant figures. amount of heat released = 142900 kJ/kg Previous Answers Request Answer Submit x Incorrect; Try Again; 3 attempts remaining - Part C Enter a balanced reaction for the complete combustion of methanol. Express your answer as a chemical equation. Identify all of the phases in your answer. 2CH3OH(1)+ 302(g}+2CO2(g}+ 4H2O(g) Previous Answers Submit v Correct The balanced combustion equation is 2CH3OH(1) + 302(g) → 2CO2(g) + 4H2O(g) • Part D Use standard enthalpies of formation to calculate the amount of heat released per kilogram of methanol fuel. Express your answer using four significant figures. kJ/kg amount of heat released = Request Answer Submit • Part E Which fuel contains the most energy in the least mass? hydrogen methanol Request Answer Submit Part F To compare the energy of these fuels to that of octane (C3H18 , calculate the energy released per kilogram of octane. Express your answer using four significant figures. |kJ/kg amount of heat released by octane = Request Answer Submit Provide Feedback

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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please answer part B, D, E, and F. 

• Part A Enter a balanced reaction for the complete combustion of hydrogen. Express your answer as a chemical equation. Identify all of the phases in your answer. 2H2(g}+ O2(g}>2H20(g) Submit Previous Answers v Correct The balanced combustion equation is 2H2(g) + 02(s)→2H2O(g) • Part B Use standard enthalpies of formation to calculate the amount of heat released per kilogram of hydrogen fuel. Express your answer using four significant figures. amount of heat released = 142900 kJ/kg Previous Answers Request Answer Submit x Incorrect; Try Again; 3 attempts remaining - Part C Enter a balanced reaction for the complete combustion of methanol. Express your answer as a chemical equation. Identify all of the phases in your answer. 2CH3OH(1)+ 302(g}+2CO2(g}+ 4H2O(g) Previous Answers Submit v Correct The balanced combustion equation is 2CH3OH(1) + 302(g) → 2CO2(g) + 4H2O(g)
Transcribed Image Text:• Part A Enter a balanced reaction for the complete combustion of hydrogen. Express your answer as a chemical equation. Identify all of the phases in your answer. 2H2(g}+ O2(g}>2H20(g) Submit Previous Answers v Correct The balanced combustion equation is 2H2(g) + 02(s)→2H2O(g) • Part B Use standard enthalpies of formation to calculate the amount of heat released per kilogram of hydrogen fuel. Express your answer using four significant figures. amount of heat released = 142900 kJ/kg Previous Answers Request Answer Submit x Incorrect; Try Again; 3 attempts remaining - Part C Enter a balanced reaction for the complete combustion of methanol. Express your answer as a chemical equation. Identify all of the phases in your answer. 2CH3OH(1)+ 302(g}+2CO2(g}+ 4H2O(g) Previous Answers Submit v Correct The balanced combustion equation is 2CH3OH(1) + 302(g) → 2CO2(g) + 4H2O(g)
• Part D Use standard enthalpies of formation to calculate the amount of heat released per kilogram of methanol fuel. Express your answer using four significant figures. kJ/kg amount of heat released = Request Answer Submit • Part E Which fuel contains the most energy in the least mass? hydrogen methanol Request Answer Submit Part F To compare the energy of these fuels to that of octane (C3H18 , calculate the energy released per kilogram of octane. Express your answer using four significant figures. |kJ/kg amount of heat released by octane = Request Answer Submit Provide Feedback
Transcribed Image Text:• Part D Use standard enthalpies of formation to calculate the amount of heat released per kilogram of methanol fuel. Express your answer using four significant figures. kJ/kg amount of heat released = Request Answer Submit • Part E Which fuel contains the most energy in the least mass? hydrogen methanol Request Answer Submit Part F To compare the energy of these fuels to that of octane (C3H18 , calculate the energy released per kilogram of octane. Express your answer using four significant figures. |kJ/kg amount of heat released by octane = Request Answer Submit Provide Feedback
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