(a) Interpretation: Equilibrium concentration of H atoms at equilibrium, if the equilibrium concentration of H 2 is 0.10 M should be calculated. Concept introduction: The equilibrium constant, K c is the ratio between product of the equilibrium concentrations of the products and the product of equilibrium concentrations of all reactants. All the concentrations are raised to the power of its coefficient in the balanced equation. Equilibrium constant for a particular reaction is always same at a particular temperature. Equilibrium constant expression aA + bB ⇌ cC + dD K c = [ C ] c [ D ] d [ A ] a [ B ] b
(a) Interpretation: Equilibrium concentration of H atoms at equilibrium, if the equilibrium concentration of H 2 is 0.10 M should be calculated. Concept introduction: The equilibrium constant, K c is the ratio between product of the equilibrium concentrations of the products and the product of equilibrium concentrations of all reactants. All the concentrations are raised to the power of its coefficient in the balanced equation. Equilibrium constant for a particular reaction is always same at a particular temperature. Equilibrium constant expression aA + bB ⇌ cC + dD K c = [ C ] c [ D ] d [ A ] a [ B ] b
Solution Summary: The author explains the equilibrium constant, K_c, which is the ratio between the products and the product of equilibrium concentrations of all reactants.
Definition Definition Number of atoms/molecules present in one mole of any substance. Avogadro's number is a constant. Its value is 6.02214076 × 10 23 per mole.
Chapter 15, Problem 15.83SP
Interpretation Introduction
(a)
Interpretation:
Equilibrium concentration of H atoms at equilibrium, if the equilibrium concentration of H2 is 0.10 M should be calculated.
Concept introduction:
The equilibrium constant, Kc is the ratio between product of the equilibrium concentrations of the products and the product of equilibrium concentrations of all reactants. All the concentrations are raised to the power of its coefficient in the balanced equation. Equilibrium constant for a particular reaction is always same at a particular temperature.
Equilibrium constant expression
aA + bB ⇌ cC + dDKc=[C]c[D]d[A]a[B]b
Interpretation Introduction
(b)
Interpretation:
Number of H atoms and H2 molecules present in 1.0 L of 0.10 M H2 at 500 K
Concept introduction:
Avogadro’s number is number of units in one mole of any substance equal to 6.022×1023. These number of units may be atoms, molecules, ions or electrons etc.
5
What would the complete ionic reaction be if aqueous solutions of potassium sulfate and barium acetate were mixed?
ed
of
Select one:
O a
2 K SO4 + Ba2 +2 C₂H3O21
K+SO4 + Ba2+ + 2 C2H3O21
K+SO42 + Ba2 +2 C2H3O2
BaSO4 +2 K+ + 2 C2H3O
estion
Ob.
O c.
Od.
2 K SO4 +Ba2 +2 C₂H₂O₂
BaSO4 + K+ + 2 C2H3O
BaSO4 + K + 2 C2H301
→Ba² +SO42 +2 KC2H3O
s page
(28 pts.) 7. Propose a synthesis for each of the following transformations. You must include the
reagents and product(s) for each step to receive full credit. The number of steps is provided.
(OC 4)
4 steps
4 steps
OH
b.
LTS
Solid:
AT=Te-Ti
Trial 1
Trial 2
Trial 3
Average
ΔΗ
Mass water, g
24.096
23.976
23.975
Moles of solid, mol
0.01763
001767
0101781
Temp. change, °C
2.9°C
11700
2.0°C
Heat of reaction, J
-292.37J -170.473
-193.26J
AH, kJ/mole
16.58K 9.647 kJ 10.85 kr
16.58K59.64701
KJ
mol
12.35k
Minimum AS,
J/mol K
41.582
mol-k
Remember: q = mCsAT (m = mass of water, Cs=4.184J/g°C) & qsin =-qrxn &
Show your calculations for:
AH in J and then in kJ/mole for Trial 1:
qa (24.0969)(4.1845/g) (-2.9°C)=-292.37J
qsin =
qrxn =
292.35 292.37J
AH in J = 292.375 0.2923kJ
0.01763m01
=1.65×107
AH in kJ/mol =
=
16.58K
0.01763mol
mol
qrx
Minimum AS in J/mol K (Hint: use the average initial temperature of the three trials, con
Kelvin.)
AS=AHIT
(1.65×10(9.64×103) + (1.0
Jimai
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