Consider the reaction:
2 NO2(g) → N2O4(g)
Calculate ΔG (in kJ/mol) at 298°K if the
equilibrium partial pressures of NO2 and
N2O4 are 1.337 atm and 0.657 atm,
respectively.
Consider the following reaction occurring at 298 K:
N2O(g)+NO2(g)⇌3NO(g) Part A Show that the reaction is not
spontaneous under standard conditions by calculating ΔG∘rxn.
Part B If a reaction mixture contains only N2O and NO2 at
partial pressures of 1.0 atm each, the reaction will be spontaneous
until some NO forms in the mixture. What maximum partial pressure
of NO builds up before the reaction ceases to be spontaneous?
Part C What temperature is required to make the reaction
spontaneous...
Consider the reaction:
2NO(g)+Br2(g)⇌2NOBr(g)
Kp=28.4 at 298 K
In a reaction mixture at equilibrium, the partial pressure of NO is
105 torr and that of Br2 is 132 torr .
What is the partial pressure of NOBr in this mixture?
Calculate the equilibrium constant at 298 K for the reaction of
ammonia with oxygen to form nitrogen and water. The data refer to
298 K.
4NH3(g) + 3O2(g) <> 2N2(g) + 6H2O(l)
Substance NH3(g) O2(g) N2(g) H2O(l)
ΔH°f (kJ/mol) -46 0 0 -285
ΔG°f (kJ/mol) -16 0 0 -237
S°(J/K·mol) 192 205 192 70
I thought Kc is just Molar concentration of Products divide by
Molar concentration on Reactants which would be 12 x
16 divide by 14 x 13...
Consider the reaction:
SO2Cl2(g)⇌SO2(g)+Cl2(g)
Kp=2.91×103 at 298 K
In a reaction at equilibrium, the partial pressure of SO2 is 0.135
atm and that of Cl2 is 0.342 atm .
Part A
What is the partial pressure of SO2Cl2 in this mixture?
Consider the following reaction
between oxides of nitrogen: NO2(g)+N2O(g)?3NO(g)
1.
Calculate ?G? at 800 K, assuming that ?H? and
?S? do not change with temperature.
Express your answer using two significant figures.
2.Calculate ?G? at 1000 K.
Part 1. Consider the following reaction at 298 K:
2H2(g)+O2(g)---->2H2O(g)
ΔH=-483.6 kj/mol
Calculate the following quantities:
ΔSsys=____J(molxK)
ΔSsurr=____J(molxK)
ΔSuniv=____J (molxK)
Part 2. For a particular reaction, ΔH = 168.1
kJ/mol and ΔS = -55.8 J/(mol·K). Calculate ΔG for this reaction at
298 K. Is this system spontaneaus as written, Is it in the reverse
direction, Or is it at equilibrium?
Part A
Calculate Kc for the reaction below.
I2(g)⇌2I(g)Kp=6.26×10−22 (at 298 K)
Express your answer using three significant figures.
Kc=?
Part B
Calculate Kc for the reaction below.
CH4(g)+H2O(g)⇌CO(g)+3H2(g)Kp=7.7×1024
(at 298 K)
Express your answer using two significant figures.
Kc=
The equilibrium constant, Kp, for the following
reaction is 2.01 at 500 K:
PCl3(g) +
Cl2(g)
<----->PCl5(g)
Calculate the equilibrium partial pressures of all species when
PCl3 and
Cl2, each at an intitial partial
pressure of 1.56 atm, are introduced into an
evacuated vessel at 500 K.
PPCl3
=
atm
PCl2
=
atm
PPCl5
=
atm
The equilibrium constant, Kp, for the following reaction is 1.57
at 600 K:
CO(g) + Cl2(g) COCl2(g)
Calculate the equilibrium partial pressures of all species when
CO and Cl2, each at an intitial partial pressure of 1.65 atm, are
introduced into an evacuated vessel at 600 K.
PCO = ______ atm
PCl2= _______ atm
PCOCl2 = _______ atm