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    Chemistry
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    Chemical Principles
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    Exam 4: Thermodynamics
  5. Question
    For the Reaction N<sub>2</sub>O<sub>5</sub>(s)\(\rightarrow\) 2NO<sub>2</sub>(g)+ ½O<sub>2</sub>(g)\(\Delta\) H<sub>r</sub> = 109\(\Delta\) H >
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For the Reaction
N2O5(s) →\rightarrow→ 2NO2(g)+ ½O2(g) Δ\DeltaΔ Hr = 109 Δ\DeltaΔ H >

Question 157

Question 157

True/False

for the reaction
N2O5(s) →\rightarrow→ 2NO2(g)+ ½O2(g),
Δ\DeltaΔ Hr = 109.5 kJ.mol-1 at 298 K
at constant temperature and pressure,
Δ\DeltaΔ H > Δ\DeltaΔ U.

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