Estimate the value of the equilibrium constant at 640 K for each
of the following reactions....
Estimate the value of the equilibrium constant at 640 K for each
of the following reactions. ΔH∘f and S∘ for BrCl(g) is 14.6 kJ/mol
and 240.0 Jmol⋅K, respectively. for the following
Estimate the value of the equilibrium constant at 675 K
for each of the following reactions. ΔG∘f for BrCl(g) is
−1.0 kJ/mol. The standard molar entropy, S∘, for BrCl(g)
is 240.0 J/mol⋅K.
3 significant figures in answer.
A. 2NO2(g)⇌N2O4(g) ΔH∘f for N2O4(g) is 9.16 kJ/mol.
B. Br2(g)+Cl2(g)⇌2BrCl(g) ΔH∘f for BrCl(g) is 14.6
kJ/mol.
Q.26
Estimate the value of the equilibrium constant at 620 K for each
of the following reactions. ΔG∘f for BrCl(g) is −1.0
kJ/mol. The standard molar entropy, S∘, for BrCl(g) is
240.0 J/mol⋅K.
Part A
2NO2(g)⇌N2O4(g). ΔH∘f for N2O4(g) is 9.16 kJ/mol.
Express your answer using three significant figures.
K =
Part B
Br2(g)+Cl2(g)⇌2BrCl(g) .ΔH∘f for BrCl(g) is 14.6
kJ/mol.
Express your answer using three significant figures.
K =
Use the standard reduction potentials to calculate the
equilibrium constant for each of the following reactions:
Note if deltaG° for each reaction would be greater than or less
than zero.
Co2+(aq) +
Sn(s) =
Co(s) +
Sn2+(aq)
Ag+(aq) +
Cr2+(aq) =
Ag(s) +
Cr3+(aq)
1.
The equilibrium constant is given for one of the reactions
below. Determine the value of the missing equilibrium
constant.
2 HD(g) ↔ H2(g) + D2(g) Kc = 0.28
3 H2(g) + 3 D2(g) ↔ 6 HD(g) Kc = ?
2.
The reaction A(g)⇌2B(g) has an equilibrium constant of
K = 0.070. What is the equilibrium constant for the
reaction B(g)⇌12A(g)?
3.
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...
At 850.0 K, the value of the equilibrium constant Kp
for the hydrazine synthesis reaction below is 0.2300.
N2(g)+H2(g)--->
N2H2(g)
If a vessel contains an initial reaction mixture in which
[N2] = 0.02000 M, [H2] = 0.03000 M, and
[N2H2] = 1.000×10-4 M, what will
the [N2H2] be when equilibrium is
reached?
________M
At 850. K, the value of the equilibrium constant Kp for the
hydrazine synthesis reaction below is 0.2100. If a vessel contains
an initial reaction mixture in which [N2] = 0.02000 M, [H2] =
0.03000 M, and [N2H2] = 1.000×10-4 M, what will the [N2H2] be when
equilibrium is reached?
Calculate the equilibrium constant for each of the reactions at
25∘C.
Standard Electrode Potentials at 25 ∘C
Reduction Half-Reaction
E∘(V)
Fe3+(aq)+3e−
→Fe(s)
-0.036
Sn2+(aq)+2e−
→Sn(s)
-0.14
Ni2+(aq)+2e−
→Ni(s)
-0.23
O2(g)+2H2O(l)+4e−
→4OH−(aq)
0.40
Br2(l)+2e−
→2Br−
1.09
I2(s)+2e−
→2I−
0.54
Part A
2Fe3+(aq)+3Sn(s)→2Fe(s)+3Sn2+(aq)
Express your answer using two significant figures.
Part B
O2(g)+2H2O(l)+2Ni(s)→4OH−(aq)+2Ni2+(aq)
Express your answer using two significant figures.
Part C
Br2(l)+2I−(aq)→2Br−(aq)+I2(s)
Express your answer using two significant figures.
Each of the following reactions is allowed to come to
equilibrium and then the volume is changed as indicated. Predict
the effect (shift right, shift left, or no effect) of the indicated
volume change.
Part A
I2(g)⇌2I(g) (volume is increased)
(volume is increased)
-no effect
-shifts left
-shifts right
Part B
2H2S(g)⇌2H2(g)+S2(g) (volume is
decreased)
(volume is decreased)
-shifts left
-no effect
-shifts right
Part C
I2(g)+Cl2(g)⇌2ICl(g) (volume is
decreased)
(volume is decreased)
-shifts left
-shifts right
-no effect
The equilibrium constant, K, for the reaction shown
below has a value 1.8 x 105. In this reaction which is the
strongest acid and which is the strongest base?
CH3CO2H(aq) + H2O (l) --->H3O+(aq) + CH3CO2-(aq)
please explain why?