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9. A hot air balloon has a volume of 3.21 x 10° L. It is filled with CO, and H,O gas when propane is combusted according to the following balanced reaction: C,H, (g) + 5 O, (g)→ 3 CO, (g)+ 4 H,O (g) AH° = -2021 kJ a) How many moles of gas are needed to fill the balloon at a pressure of 745 mmHg and 131 °F? b) How much work (w), in Joules, is performed by the gas filling the balloon from empty to full? c) How many kJ of heat are produced by combusting 405 g of propane? d) Calculate the standard heat of formation (AH) of propane given that AH, of H,O(g)= -285.8 kJ/mol and AH of CO,(g) = -393.5 kJ/mol. %3D

9. A hot air balloon has a volume of 3.21 x 10° L. It is filled with CO, and H,O gas when propane is combusted according to the following balanced reaction: C,H, (g) + 5 O, (g)→ 3 CO, (g)+ 4 H,O (g) AH° = -2021 kJ a) How many moles of gas are needed to fill the balloon at a pressure of 745 mmHg and 131 °F? b) How much work (w), in Joules, is performed by the gas filling the balloon from empty to full? c) How many kJ of heat are produced by combusting 405 g of propane? d) Calculate the standard heat of formation (AH) of propane given that AH, of H,O(g)= -285.8 kJ/mol and AH of CO,(g) = -393.5 kJ/mol. %3D

Principles of Instrumental Analysis
Principles of Instrumental Analysis
7th Edition
ISBN:9781305577213
Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Chapter11: Atomic Mass Spectrometry
Section: Chapter Questions
Problem 11.4QAP
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16081740000008X-Blackboard-Signature=DWvBluqSwxJdGlqu 9. A hot air balloon has a volume of 3.21 x 10° L. It is filled with CO, and H,O combusted according to the following balanced reaction: C,H, (g) + 5 0, (g)→ 3 CO, (g)+ 4 H,O (g) AH° = -2021 kJ gas when propane is a) How many moles of gas are needed to fill the balloon at a pressure of 745 mmHg and 131 "F? b) How much work (w), in Joules, is performed by the gas filling the balloon from empty to full? c) How many kJ of heat are produced by combusting 405 g of propane? d) Calculate the standard heat of formation (AH;) of propane given that AH of H,O(g)= -285.8 kJ/mol and AH, of CO,(g) = -393.5 kJ/mol. !! |1 Use these: 1 L-atm = 101.3 Joules R = 0.0821 L-atm/mol·K 760.0 mmHg |°C = ("F-32)/1.8 |K = °C + 273 atm a) b) 9. DELL F12 PrtScr Inse F3 F5 F6 F7 F8 F9 F10 F1 F2 F4 4) # 2$ & 2 3 4 5 7 8 9 W E Y D H
Transcribed Image Text:16081740000008X-Blackboard-Signature=DWvBluqSwxJdGlqu 9. A hot air balloon has a volume of 3.21 x 10° L. It is filled with CO, and H,O combusted according to the following balanced reaction: C,H, (g) + 5 0, (g)→ 3 CO, (g)+ 4 H,O (g) AH° = -2021 kJ gas when propane is a) How many moles of gas are needed to fill the balloon at a pressure of 745 mmHg and 131 "F? b) How much work (w), in Joules, is performed by the gas filling the balloon from empty to full? c) How many kJ of heat are produced by combusting 405 g of propane? d) Calculate the standard heat of formation (AH;) of propane given that AH of H,O(g)= -285.8 kJ/mol and AH, of CO,(g) = -393.5 kJ/mol. !! |1 Use these: 1 L-atm = 101.3 Joules R = 0.0821 L-atm/mol·K 760.0 mmHg |°C = ("F-32)/1.8 |K = °C + 273 atm a) b) 9. DELL F12 PrtScr Inse F3 F5 F6 F7 F8 F9 F10 F1 F2 F4 4) # 2$ & 2 3 4 5 7 8 9 W E Y D H
y NYDM X E Special X y A bad X y! orbital X y! how to X A An Eas x y bad m x Kathry x D2-xythos.content.blackboardcdn.com/5b3e6a1d4abd5/354253?X-Blackboard-Expiration316081740000008X-Blackboard-Signature=DW 5. The following quantities are placed in a container: 1.5 x 10 molecules of hydrogen gas oxygen gas, and 18.0 g of nitrogen gas. of a) What is the total mass (in grams) of the mixture? b) What is the total moles of gas in the mixture? c) If the container has a total pressure of 828 torr, what is the partial pressure of each gas (in torr)? d) If the container has a pressure or 828 torr at 25°C, and can withstand the container burst? pressure of 955 torr, at what temperature (in °C) will 日 99+ DELL 立
Transcribed Image Text:y NYDM X E Special X y A bad X y! orbital X y! how to X A An Eas x y bad m x Kathry x D2-xythos.content.blackboardcdn.com/5b3e6a1d4abd5/354253?X-Blackboard-Expiration316081740000008X-Blackboard-Signature=DW 5. The following quantities are placed in a container: 1.5 x 10 molecules of hydrogen gas oxygen gas, and 18.0 g of nitrogen gas. of a) What is the total mass (in grams) of the mixture? b) What is the total moles of gas in the mixture? c) If the container has a total pressure of 828 torr, what is the partial pressure of each gas (in torr)? d) If the container has a pressure or 828 torr at 25°C, and can withstand the container burst? pressure of 955 torr, at what temperature (in °C) will 日 99+ DELL 立
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