Which of the following reactions has (+)work? Select one: a.C6H6(l)  ➜  C6H6(g) b.SiO2(s) + 3C(s)  ➜  SiC(s) + 2CO(g) c.2SO2(g) + O2(g)  ➜  2SO3(g) d.Ni(CO)4(g)  ➜  Ni(s) + 4CO(g)

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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 6.56QP: What is U for the following reaction at 25C? 2H2(g)+O2(g)2H2O(l)
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Which of the following reactions has (+)work?

Select one:
a.C6H6(l)  ➜  C6H6(g)
b.SiO2(s) + 3C(s)  ➜  SiC(s) + 2CO(g)
c.2SO2(g) + O2(g)  ➜  2SO3(g)
d.Ni(CO)4(g)  ➜  Ni(s) + 4CO(g)
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