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oses of this energy to or from er absorbing heat. gy, in the form of e. The total e heat and work: Submit Part B and w = -PAV A mole of X reacts at a constant pressure of 43.0 atm via the reaction AV X(g) + 4Y(g)-2Z(g), AH =-75.0 k.J Before the reaction, the volume of the gaseous mixture was 5.00 L. After the reaction, the volume was 2.00 L. Calculate the value of the total energy change, AE, in kilojoules. Express your answer with the appropriate units. • View Available Hint(s) HA AE = Value Units Submit Provide Feedback Next > P Pearson ht © 2021 Pearson Education Inc. All rights reserved. I Ierms of Use I Privacy Policy I Permissions Contact Us 7:32 PM 82°F Sunny 口 d 6/18/2021 90 PrtScn Home End 49 8. 9 立

oses of this energy to or from er absorbing heat. gy, in the form of e. The total e heat and work: Submit Part B and w = -PAV A mole of X reacts at a constant pressure of 43.0 atm via the reaction AV X(g) + 4Y(g)-2Z(g), AH =-75.0 k.J Before the reaction, the volume of the gaseous mixture was 5.00 L. After the reaction, the volume was 2.00 L. Calculate the value of the total energy change, AE, in kilojoules. Express your answer with the appropriate units. • View Available Hint(s) HA AE = Value Units Submit Provide Feedback Next > P Pearson ht © 2021 Pearson Education Inc. All rights reserved. I Ierms of Use I Privacy Policy I Permissions Contact Us 7:32 PM 82°F Sunny 口 d 6/18/2021 90 PrtScn Home End 49 8. 9 立

Chemistry: Principles and Practice
Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter5: Thermochemistry
Section: Chapter Questions
Problem 5.104QE
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Energy cannot be created nor destroyed, but it can be transferred between a reaction and its surroundings. The change in energy, AE, is positive if the reaction absorbs energy, and it is negative if the reaction releases energy. You may also see this expressed in terms of change in internal energy, AU. For the purposes of this question, AU and AE are equal. Pearson eText Study Area Document Sharing One way a reaction can transfer energy to or from the surroundings is by releasing or absorbing heat. A reaction can also transfer energy, in the form of work, through a change in volume. The total change in energy is the sum of the heat and work: User Settings Submit Course Tools > E AE=q+ w Part B At constant pressure, q = AH and w = -PAV and so %3| A mole of X reacts at a constant pressure of 43.0 atm via the reaction ΔΕ-ΔΗ-ΡAV X(g) + 4Y(g)→2Z(g), AH° = -75.0 kJ %3D 6. Before the reaction, the volume of the gaseous mixture was 5.00 L. After the reaction, the volume was 2.00 L. Calculate the value of the total energy change, AE, in kilojoules. Express your answer with the appropriate units. • View Available Hint(s) HA ΔΕ - Value Units %3D Submit Next > Provide Feedback P Pearson Copyright © 2021 Pearson Education Inc. All rights reserved. Terms of Use Privacy Policy Permissions Contact Us | 7:32 PM 82°F Sunny ^ o Ca 6/18/2021 90 e Type here to search PgDr PrtScn F8 Home F9 End F10 11 DIL F3 F7 Esc F5 F6 F4 F1 F2 5 6
Transcribed Image Text:Energy cannot be created nor destroyed, but it can be transferred between a reaction and its surroundings. The change in energy, AE, is positive if the reaction absorbs energy, and it is negative if the reaction releases energy. You may also see this expressed in terms of change in internal energy, AU. For the purposes of this question, AU and AE are equal. Pearson eText Study Area Document Sharing One way a reaction can transfer energy to or from the surroundings is by releasing or absorbing heat. A reaction can also transfer energy, in the form of work, through a change in volume. The total change in energy is the sum of the heat and work: User Settings Submit Course Tools > E AE=q+ w Part B At constant pressure, q = AH and w = -PAV and so %3| A mole of X reacts at a constant pressure of 43.0 atm via the reaction ΔΕ-ΔΗ-ΡAV X(g) + 4Y(g)→2Z(g), AH° = -75.0 kJ %3D 6. Before the reaction, the volume of the gaseous mixture was 5.00 L. After the reaction, the volume was 2.00 L. Calculate the value of the total energy change, AE, in kilojoules. Express your answer with the appropriate units. • View Available Hint(s) HA ΔΕ - Value Units %3D Submit Next > Provide Feedback P Pearson Copyright © 2021 Pearson Education Inc. All rights reserved. Terms of Use Privacy Policy Permissions Contact Us | 7:32 PM 82°F Sunny ^ o Ca 6/18/2021 90 e Type here to search PgDr PrtScn F8 Home F9 End F10 11 DIL F3 F7 Esc F5 F6 F4 F1 F2 5 6
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