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Author Question: Calculate the work energy, w, gained or lost by the system when a gas expands from 20 L to 35 L ... (Read 75 times)

mmm

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on: Feb 15, 2020

Question 1

In which case is the work done on the system always positive?
◦ ΔV = 0
◦ ΔV < 0
◦ ΔV > 0
◦ ΔE > 0

Question 2

Calculate the work energy, w, gained or lost by the system when a gas expands from 20 L to 35 L against a constant external pressure of 2.0 atm.  [1 L ∙ atm = 101 J]
◦ -3.0 kJ
◦ +3.0 kJ
◦ +5.3 kJ
◦ -5.3 kJ
Chemistry ¦ McMurry, Fay, Robinson ¦ 7th Edition
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Marked as best answer by mmm on Feb 15, 2020

chereeb

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Reply #1 on: Feb 15, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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mmm

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Reply 2 on: Feb 15, 2020
Wow, this really help

billybob123

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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