Answer to Question #233152 in Inorganic Chemistry for chris

Inorganic Chemistry

Question #233152

obtain the ΔH° of the following:

Zn(s) + 2H+(aq) → Zn2+(aq) + H2(g)

Expert's answer

ΔH=ΔE+PΔV

or ΔE=ΔH−PΔV

PΔV=1 atm×22.4 L=22.4 L atm

=22.4×101.3 J=2307 J=2.31 kJ

∴ΔE=−154.4−2.31=−156.71 kJ

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