1.) NH4NO3(s) ↔ NH4+(aq) + NO3-(aq)
+17 kJ/mol what is K at room temp?
A)0.993
B)1.00
C)1.05 x 10-3
D)954
2.) For the following reactions:
2NH3(g) 3H2(g) + N2(g)
What is under the following conditions:
T = 25oC
PNH3 = 12.9 atm
PH2 = 0.250 atm
PN2 = 0.870 atm
A) 33 kJ/mol
B) 56 kJ/mol
C) 10 kJ/mol
D) 31 kJ/mol
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1.) NH4NO3(s) ↔ NH4+(aq) + NO3-(aq) +17 kJ/mol what is K at room temp? A)0.993 B)1.00...
NH4NO3 (s)
NH4+ (aq) + NO3-
(aq)
H°f
NH4NO3 (s) = -365.6 kJ/mol
H°f
NH4NO3 (aq) = -339.9 kJ/mol
What is
H°rxn?
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AGº is -32.7 kJ/mol of N2 for the reaction N2 (g) + 3H2 (g) = 2NH3(g) This calculation was for the reaction under standard conditions—that is, with all gases present at a partial pressure of 1 atm and a temperature of 25°C. Calculate AG for the same reaction under the following nonstandard conditions: . PN2 = 2.00 atm, PH2 = 7.00 atm, PNH3 = 0.021 atm, . and T = 100°C.
Given the information below, what is AGº for the reaction: NH4NO3(s) - NH4+ (aq) + NO3(aq) AH (kJ/mol) S° (J/molk) NH4NO3(s) -365.56 151.08 NH4 (aq) -132.51 113.4 NO3(aq) -205.0 146.4 +32.3 kJ -80.7 kJ -4.34 kJ O none of these
For a gaseous reaction, standard conditions are 298 K and a partial pressure of 1 atm for all species. For the reaction N2 (g) + 3H2(g) -------> 2NH3(g) the standard change in Gibbs free energy is ΔG° = -72.6 kJ/mol. What is ΔG for this reaction at 298 K when the partial pressures are PN2 = 0.200 atm PH2 = 0.350 atm PNH3 = 0.850
What is the ΔrG for the following reaction (in kJ mol-1) at 298 K? N2 (g) + 3 H2 (g) ⇌ 2 NH3 (g) The conditions for this reaction are: PN2 = 1.47 bar PH2 = 0.35 bar PNH3 = 1.45 bar
1. Ice melts at 0C° with an enthalpy of fusion = 6.01 kJ mol-1 . An ice cube with a mass of 20.0g is placed inside an incubator at 40.0C°. Determine the total entropy change (in J/K) of this system. 2. Calculate the total entropy change (in J/K) when 50.0 g of H2 gas initially in a tank at a pressure of 145 psi is withdrawn from the tank under a constant pressure of 23.0 psi at standard room temperature....
*** ** -305.01 -183.9 151.1 NH4NO3 (aq) -339.9 -190.6 259.8 AHºf (kJ/mol) AG°f (kJ/mol) Sº (/mol K) 0 205.1 Oxygen 02 (g) O(g) 03 (g) 249.2 231.7 161.1 142.7 163.2 238.9 Phosphorus AH° (kJ/mol) AG°f(kJ/mol) sº (/mol K) Nitrogen AH°(kJ/mol) AG°f(kJ/mol) s° /mol K) N2 (8) 0 191.6 N (g) 472.7 455.6 153.3 NH3 (g) -46.1 -16.5 192.5 NH3 (aq) -80.0 -27.0 111.0 132.0 -79.0 113.0 90.3 86.6 210.8 51.7 66.1 261.8 NH4+ (aq) NO (g) NOCI (9) NO2 (g)...