For each reaction, calculate ΔH °rxn, ΔS°rxn, and ΔG°rxn at 25 °C and state whether or not the reaction is spontaneous. If the reaction is not spontaneous, would a change in temperature make it spontaneous? If so, should the temperature be raised or lowered from 25 °C?a. N2O4( g)------>2 NO2( g)b. NH4Cl(s)--------->HCl( g) + NH3( g)c. 3 H2( g) + Fe2O3(s)------------>2 Fe(s) + 3 H2O( g)d. N2( g) + 3 H2( g)----->2 NH3( g)
For each reaction, calculate ΔH °rxn, ΔS°rxn, and ΔG°rxn at 25 °C and state whether or not the reaction is spontaneous. If the reaction is not spontaneous, would a change in temperature make it spontaneous? If so, should the temperature be raised or lowered from 25 °C?a. N2O4( g)------>2 NO2( g)b. NH4Cl(s)--------->HCl( g) + NH3( g)c. 3 H2( g) + Fe2O3(s)------------>2 Fe(s) + 3 H2O( g)d. N2( g) + 3 H2( g)----->2 NH3( g)
Chemistry for Engineering Students
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ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter10: Entropy And The Second Law Of Thermodynamics
Section: Chapter Questions
Problem 10.50PAE: For the reaction NO(g)+NO2(g)N2O3(g) , use tabulated thermodynamic data to calculate H and S. Then...
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For each reaction, calculate ΔH °rxn, ΔS°rxn, and ΔG°rxn at 25 °C and state whether or not the reaction is spontaneous. If the reaction is not spontaneous, would a change in temperature make it spontaneous? If so, should the temperature be raised or lowered from 25 °C?
a. N2O4( g)------>2 NO2( g)
b. NH4Cl(s)--------->HCl( g) + NH3( g)
c. 3 H2( g) + Fe2O3(s)------------>2 Fe(s) + 3 H2O( g)
d. N2( g) + 3 H2( g)----->2 NH3( g)
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