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Physical Chemistry
(1) One mole of hydrogen gas reacts with one mole of chlorine gas to produce two mole of hydrochloric acid gas in a reversible reaction.
a) When the concentration of hydrogen gas is increased, what happens to the concentrations of chlorine gas and hydrochloric acid gas? Explain.
b) When the concentration of hydrochloric acid gas is decreased, what happens to the concentrations of hydrogen gas and chlorine gas? Explain.
c) How does an increase in pressure affect this equilibrium? Explain.
d) How does a decrease in pressure affect this equilibrium? Explain.
(2) Two moles of carbon mono oxide gas reacts with one mole of an oxygen gas to produce two moles of carbon di-oxide gas in a reversible reaction. Describe the effects of the following stresses on the system in equilibrium.
a) Concentration of CO is increased
b) Concentration of O2 is decreased
c) Pressure is decreased
d) Pressure is increased
a) When the concentration of hydrogen gas is increased, what happens to the concentrations of chlorine gas and hydrochloric acid gas? Explain.
b) When the concentration of hydrochloric acid gas is decreased, what happens to the concentrations of hydrogen gas and chlorine gas? Explain.
c) How does an increase in pressure affect this equilibrium? Explain.
d) How does a decrease in pressure affect this equilibrium? Explain.
(2) Two moles of carbon mono oxide gas reacts with one mole of an oxygen gas to produce two moles of carbon di-oxide gas in a reversible reaction. Describe the effects of the following stresses on the system in equilibrium.
a) Concentration of CO is increased
b) Concentration of O2 is decreased
c) Pressure is decreased
d) Pressure is increased
Physical Chemistry
The intensity distribution of solar radiation peaks at a wavelength of approximately 500 nm. Assuming the Sun radiates like a black body, calculate the flux of photons leaving the sun in W/m2?
Physical Chemistry
The intensity distribution of solar radiation peaks at a wavelength of approximately 500 nm. Assuming the Sun radiates like a black body, calculate the flux of photons leaving the sun in W/m2?
Physical Chemistry
Why export fishes are believed to be contaminated with mercury ? Give reason
Physical Chemistry
Which of the following molecules are more reactive towards nucleophile
1)CH3CH2CHO and CH3COCH3
2)CH3COCH3 and CH3HOCCl
1)CH3CH2CHO and CH3COCH3
2)CH3COCH3 and CH3HOCCl
Physical Chemistry
Maltose + H2O⟷2 Glucose
Calculate the equilibrium constant under standard transformed conditions (
Calculate the equilibrium constant under standard transformed conditions (
Physical Chemistry
Explain the applications of surface chemistry in the reduction of environmental pollution and also in the reduction of energy crisis.
Physical Chemistry
(a) Elaborate how solutions are equilibrated mixtures. Prove mathematically that there is equilibrium in the solution in terms of its concentration.
(b) Explain why supersaturated solutions are unstable solutions and change to saturated solutions upon lowering the temperature.
(b) Explain why supersaturated solutions are unstable solutions and change to saturated solutions upon lowering the temperature.
Physical Chemistry
For a given reversible reaction:
H2(g)+I2(g) <====> 2HI(g)
The total pressure of a system at equilibrium is 10 atm. If the number of moles of H2, I2 and HI at equilibrium are 0.5, 0.6 and 0.9 mol respectively and the volume of the vessel is 2 dm3 then verify that Kc=Kp=Kx for the above reversible reaction.
H2(g)+I2(g) <====> 2HI(g)
The total pressure of a system at equilibrium is 10 atm. If the number of moles of H2, I2 and HI at equilibrium are 0.5, 0.6 and 0.9 mol respectively and the volume of the vessel is 2 dm3 then verify that Kc=Kp=Kx for the above reversible reaction.
Physical Chemistry
how mole fraction is to use distinguished between solute and solvent in a solution when contain equal amount of solute and solvent
