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Enter your answer in the provided box. A gas expands and does P-V work on the surroundings equal to 259 J. At the same time, it absorbs 241 J of heat from the surro 18 Answer 1: 18 Question 2 Be sure to answer all parts. A gas expands from 265 mL to 987 mL at a constant temperature. Calculate the work done (in joules) by the gas if it expands (a) against a vacuum. (Answer in 1 Significant Figure) W = 0 Answer 1: J (b) against a constant pressure of 4.00 atm. (Answer in 3 Significant Figures) W = -2.9 0 Answer 2: -2.9 J J

Enter your answer in the provided box. A gas expands and does P-V work on the surroundings equal to 259 J. At the same time, it absorbs 241 J of heat from the surro 18 Answer 1: 18 Question 2 Be sure to answer all parts. A gas expands from 265 mL to 987 mL at a constant temperature. Calculate the work done (in joules) by the gas if it expands (a) against a vacuum. (Answer in 1 Significant Figure) W = 0 Answer 1: J (b) against a constant pressure of 4.00 atm. (Answer in 3 Significant Figures) W = -2.9 0 Answer 2: -2.9 J J

General Chemistry - Standalone book (MindTap Course List)
General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter6: Thermochemisty
Section: Chapter Questions
Problem 6.137QP: When solid iron burns in oxygen gas (at constant pressure) to produce Fe2O3(s), 1651 kJ of heat is...
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Enter your answer in the provided box. A gas expands and does P-V work on the surroundings equal to 259 J. At the same time, it absorbs 241 J of heat from the surro 18 Answer 1: 18 Question 2 Be sure to answer all parts. A gas expands from 265 mL to 987 mL at a constant temperature. Calculate the work done (in joules) by the gas if it expands (a) against a vacuum. (Answer in 1 Significant Figure) W = 0 (b) against a constant pressure of 4.00 atm. (Answer in 3 Significant Figures) W = -2.9 Answer 1: 0 Answer 2: -2.9 Question 3 -11818.5 J Enter your answer in the provided box. Calculate the heat (in kJ) associated with 486 g of white phosphorus burning in air according to the equation P4(s) +502(g) → P4010(s) AH--3013 kJ/mol kJ ((Answer in Six Significant Figures) Answer 1: -11818.5 J
Transcribed Image Text:Enter your answer in the provided box. A gas expands and does P-V work on the surroundings equal to 259 J. At the same time, it absorbs 241 J of heat from the surro 18 Answer 1: 18 Question 2 Be sure to answer all parts. A gas expands from 265 mL to 987 mL at a constant temperature. Calculate the work done (in joules) by the gas if it expands (a) against a vacuum. (Answer in 1 Significant Figure) W = 0 (b) against a constant pressure of 4.00 atm. (Answer in 3 Significant Figures) W = -2.9 Answer 1: 0 Answer 2: -2.9 Question 3 -11818.5 J Enter your answer in the provided box. Calculate the heat (in kJ) associated with 486 g of white phosphorus burning in air according to the equation P4(s) +502(g) → P4010(s) AH--3013 kJ/mol kJ ((Answer in Six Significant Figures) Answer 1: -11818.5 J
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