San Diego Miramar College Covalent Activity Questions Response chemistry homework question all in the images please help me answer the questions ASA Thermo
San Diego Miramar College Covalent Activity Questions Response chemistry homework question all in the images please help me answer the questions ASA Thermodynamic Data
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Consider the reactions
600,() +67120() 4,206 +60 (8)
Using standard absolute entropies at 298K, calculate the entropy change for the system when 247 miles of cos(p)rect at standard conditions
AS
system
106.6
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Consider the reaction
N2(g) + 2H20(1)->2NO(g) + 2H2(g)
for which AH = 752.2 kJ and ASP = 351.6J/K at 298.15 K.
(1) Calculate the entropy change of the UNIVERSE when 2.094 moles of N2(g) react under standard conditions at 298.15 K.
AS universe = 730.9 J/K
(2) Is this reaction reactant or product favored under standard conditions?
product
(3) If the reaction is product favored, is it enthalpy favored, entropy favored, or favored by both enthalpy and entropy? If the reaction is reactant favored, choose
‘reactant favored’.
both
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For the reaction
N2(g) + 202(g)-
→2NO2(g)
AH° = 66.4 kJ and AS° = -121.6 J/K
The equilibrium constant for this reaction at 263.0 K is
Assume that AH° and ASº are independent of temperature.
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A student determines the value of the equilibrium constant to be 1.04x106 for the following reaction.
3Fe2O3(s) + H2(g) →2Fe304() + H2O(g)
Based on this value of Keq:
AGº for this reaction is expected to be (greater, less)
than zero.
Calculate the free energy change for the reaction of 1.98 moles of Fe2O3(s) at standard conditions at 298K.
AG
kJ
rxn
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Enter electrons as e
Use smallest possible integer coefficients.
If a box is not needed, leave it blank.
For the following electron-transfer reaction:
Cu(s) + 2Fe3+ (aq)
Cu2+ (aq) + 2Fe2+(aq)
The oxidation half-reaction is:
+
+
The reduction half-reaction is:
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