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A balloon originally had a volume of 5.39 L at 317 K and a pressure of 755 mmHg. To what temperature ( in K) must the balloon be cooled to reduce its volume to 4.00 L at a pressure of 620 mmHg? Chopse.. Choose...

A balloon originally had a volume of 5.39 L at 317 K and a pressure of 755 mmHg. To what temperature ( in K) must the balloon be cooled to reduce its volume to 4.00 L at a pressure of 620 mmHg? Chopse.. Choose...

Chemistry: Principles and Reactions
Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter8: Thermochemistry
Section: Chapter Questions
Problem 73QAP: Microwave ovens convert radiation to energy. A microwave oven uses radiation with a wavelength of...
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A balloon originally had a volume of 5.39 L at 317 K and a pressure of 755 mmHg. To what temperature ( in K) must the balloon be cooled to reduce its volume to 4.00 L at a pressure of 620 mmHg? Chonse.. Choose... 593.5 372 193 248 Consider the following reactions: 757 AH= -1939.40 kJ/mol 252.9 2W (s) 302 (9) 2 WO, (s) AH= - 477.84 2H,0 (a) 2H2 (9) kJ/mol Choose.. 2 (g) Use Hess's law to Calculate AH (in kJ/mol) for the following reaction: 3H,0 W it + 3H, (g) 3 (s) (g) (s)
Transcribed Image Text:A balloon originally had a volume of 5.39 L at 317 K and a pressure of 755 mmHg. To what temperature ( in K) must the balloon be cooled to reduce its volume to 4.00 L at a pressure of 620 mmHg? Chonse.. Choose... 593.5 372 193 248 Consider the following reactions: 757 AH= -1939.40 kJ/mol 252.9 2W (s) 302 (9) 2 WO, (s) AH= - 477.84 2H,0 (a) 2H2 (9) kJ/mol Choose.. 2 (g) Use Hess's law to Calculate AH (in kJ/mol) for the following reaction: 3H,0 W it + 3H, (g) 3 (s) (g) (s)
Match each of the following with its correct answer Consider the following thermochemical equation: 2NO (g) + O2(g) 2 NO 2(g) -> AH = 114.1 kJ If 3.00 x 10g NO, were produced, then the amount of heat released (in kJ) Choose... would be: Choose. 593.5 372 193 248 757 252.9 The mole fraction of N, gas in the air is 0.781 at 760 torr. Calculate the partial pressure of N, in air Choose... v What is the molar heat of combustion of methanol CH OH ( in kJ/mol), if the combustion of 1.0 g of methanol causes a temperature rise of 3.68 °C in a bomb calorimeter that has a heat capacity of 6.43 J/°C? Choose...
Transcribed Image Text:Match each of the following with its correct answer Consider the following thermochemical equation: 2NO (g) + O2(g) 2 NO 2(g) -> AH = 114.1 kJ If 3.00 x 10g NO, were produced, then the amount of heat released (in kJ) Choose... would be: Choose. 593.5 372 193 248 757 252.9 The mole fraction of N, gas in the air is 0.781 at 760 torr. Calculate the partial pressure of N, in air Choose... v What is the molar heat of combustion of methanol CH OH ( in kJ/mol), if the combustion of 1.0 g of methanol causes a temperature rise of 3.68 °C in a bomb calorimeter that has a heat capacity of 6.43 J/°C? Choose...
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