Calculate the enthalpy change when 5 L of liquid NH3 is burned in air to give N3 (9) and H3O(g). Express your answer using two significant figures. AH° - -7.0x10 kJ Subm Previous Answers v Correct Part B How does this compare with AH tor the complete combustion of 1 L of liquid methanol, CH,OH(1)? For CH,OH(1), the density at 25 °C is 0.792 g/cm, and AH; equals -239 kJ/mol. Essay answers are limited to about 500 words (3800 characters maximum, including spaces). 3800 Character(s) remaining Request Answer Submit purse Home Ammonia (NH3) boils at -33° C; at this temperature it has a density of 0.81 g/cm. The enthalpy of formation of NH3 (g) is -46.2 kJ/mol, and the enthalpy of vaporization of NH3 (1) is 23.2 kJ/mol.

Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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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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Part A
Calculate the enthalpy change when 5 L of liquid NH3 is burned in air to give N2 (9) and H,O(g).
Express your answer using two significant figures.
AH° - -7.0x10* kJ
Submit
Previous Answers
v Correct
Part B
How does this compare with AH for the complete combustion of 1 L of liquid methanol, CH3 OH(1)? For
CH,OH(1), the density at 25 °C is 0.792 g/cm', and AH; equals -239 kJ/mol.
Essay answers are limited to about 500 words (3800 characters maximum, including spaces).
3800 Character(s) remaining
Submit
Request Answer
Course Home
Ammonia (NH3) boils at -33° C; at this
temperature it has a density of 0.81 g/cm. The
enthalpy of formation of NH3 (g) is -46.2 kJ/mol,
and the enthalpy of vaporization of NH3 (1) is 23.2
kJ/mol.
Transcribed Image Text:Part A Calculate the enthalpy change when 5 L of liquid NH3 is burned in air to give N2 (9) and H,O(g). Express your answer using two significant figures. AH° - -7.0x10* kJ Submit Previous Answers v Correct Part B How does this compare with AH for the complete combustion of 1 L of liquid methanol, CH3 OH(1)? For CH,OH(1), the density at 25 °C is 0.792 g/cm', and AH; equals -239 kJ/mol. Essay answers are limited to about 500 words (3800 characters maximum, including spaces). 3800 Character(s) remaining Submit Request Answer Course Home Ammonia (NH3) boils at -33° C; at this temperature it has a density of 0.81 g/cm. The enthalpy of formation of NH3 (g) is -46.2 kJ/mol, and the enthalpy of vaporization of NH3 (1) is 23.2 kJ/mol.
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