Le Châtelier’s Principle Example 2. Nitrosyl chloride, NOCl, can be prepared using the reaction:
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Transcript of Le Châtelier’s Principle Example 2. Nitrosyl chloride, NOCl, can be prepared using the reaction:
Le Châtelier’s Principle
Example 2
Nitrosyl chloride, NOCl, can be prepared using the reaction:
Nitrosyl chloride, NOCl, can be prepared using the reaction:
2NO(g) + Cl2(g) Ý 2NOCl(g)
Nitrosyl chloride, NOCl, can be prepared using the reaction:
2NO(g) + Cl2(g) Ý 2NOCl(g) DH = –77.2 kJ
Nitrosyl chloride, NOCl, can be prepared using the reaction:
2NO(g) + Cl2(g) Ý 2NOCl(g) DH = –77.2 kJ
In order to obtain the highest possible yield of NOCl, one should use
Nitrosyl chloride, NOCl, can be prepared using the reaction:
2NO(g) + Cl2(g) Ý 2NOCl(g) DH = –77.2 kJ
In order to obtain the highest possible yield of NOCl, one should use(high/low) ________ pressure
Nitrosyl chloride, NOCl, can be prepared using the reaction:
2NO(g) + Cl2(g) Ý 2NOCl(g) DH = –77.2 kJ
In order to obtain the highest possible yield of NOCl, one should use(high/low) ________ pressure and (high/low)_______ temperature.
2NO(g) + Cl2(g) Ý 2NOCl(g) DH = –77.2 kJ
In order to obtain the highest possible yield of NOCl, one should use (high/low) ________ pressure and (high/low)_______ temperature.
2NO(g) + Cl2(g) Ý 2NOCl(g) DH = –77.2 kJ
In order to obtain the highest possible yield of NOCl, one should use (high/low) ________ pressure and (high/low)_______ temperature.
2NO(g) + Cl2(g) Ý 2NOCl(g) DH = –77.2 kJ
In order to obtain the highest possible yield of NOCl, one should use (high/low) ________ pressure and (high/low)_______ temperature.
Exothermic
2NO(g) + Cl2(g) Ý 2NOCl(g) DH = –77.2 kJ
In order to obtain the highest possible yield of NOCl, one should use (high/low) ________ pressure and (high/low)_______ temperature.
Exothermic
Heat term is on the right
2NO(g) + Cl2(g) Ý 2NOCl(g) DH = –77.2 kJ
2NO(g) + Cl2(g) Ý 2NOCl(g) + 77.2 kJ
In order to obtain the highest possible yield of NOCl, one should use (high/low) ________ pressure and (high/low)_______ temperature.
Heat term is on the right
2NO(g) + Cl2(g) Ý 2NOCl(g) DH = –77.2 kJ
2NO(g) + Cl2(g) Ý 2NOCl(g) + heat
In order to obtain the highest possible yield of NOCl, one should use (high/low) ________ pressure and (high/low)_______ temperature.
2NO(g) + Cl2(g) Ý 2NOCl(g) + heat
In order to obtain the highest possible yield of NOCl, one should use (high/low) ________ pressure and (high/low)_______ temperature.
2NO(g) + Cl2(g) Ý 2NOCl(g) + heat
In order to obtain the highest possible yield of NOCl, one should use (high/low) ________ pressure and (high/low)_______ temperature.
2NO(g) + Cl2(g) Ý 2NOCl(g) + heat
In order to obtain the highest possible yield of NOCl, one should use (high/low) ________ pressure and (high/low)_______ temperature.
We want the equilibrium to shift RIGHT
2NO(g) + Cl2(g) Ý 2NOCl(g) + heat
In order to obtain the highest possible yield of NOCl, one should use (high/low) ________ pressure and (high/low)_______ temperature.
We want the equilibrium to shift RIGHT
A high [NOCl]
2NO(g) + Cl2(g) Ý 2NOCl(g) + heat
In order to obtain the highest possible yield of NOCl, one should use (high/low) ________ pressure and (high/low)_______ temperature.
We want the equilibrium to shift RIGHT
A high [NOCl]
2NO(g) + Cl2(g) Ý 2NOCl(g) + heat
In order to obtain the highest possible yield of NOCl, one should use (high/low) ________ pressure and (high/low)_______ temperature.
We want the equilibrium to shift RIGHT
2NO(g) + Cl2(g) Ý 2NOCl(g) + heat
In order to obtain the highest possible yield of NOCl, one should use (high/low) ________ pressure and (high/low)_______ temperature.
We want the equilibrium to shift RIGHT
3 molesof gas
2NO(g) + Cl2(g) Ý 2NOCl(g) + heat
In order to obtain the highest possible yield of NOCl, one should use (high/low) ________ pressure and (high/low)_______ temperature.
We want the equilibrium to shift RIGHT
3 molesof gas
2 molesof gas
2NO(g) + Cl2(g) Ý 2NOCl(g) + heat
In order to obtain the highest possible yield of NOCl, one should use (high/low) ________ pressure and (high/low)_______ temperature.
We want the equilibrium to shift RIGHT
3 molesof gas
2 molesof gas
If pressure is increased, the equilibrium will shift to the side with fewer moles of gas.
2NO(g) + Cl2(g) Ý 2NOCl(g) + heat
In order to obtain the highest possible yield of NOCl, one should use (high/low) ________ pressure and (high/low)_______ temperature.
We want the equilibrium to shift RIGHT
3 molesof gas
2 molesof gas
If pressure is increased, the equilibrium will shift to the side with fewer moles of gas.
2NO(g) + Cl2(g) Ý 2NOCl(g) + heat
In order to obtain the highest possible yield of NOCl, one should use (high/low) ________ pressure and (high/low)_______ temperature.
We want the equilibrium to shift RIGHT
3 molesof gas
2 molesof gas
If pressure is increased, the equilibrium will shift to the RIGHT.
2NO(g) + Cl2(g) Ý 2NOCl(g) + heat
In order to obtain the highest possible yield of NOCl, one should use (high/low) ________ pressure and (high/low)_______ temperature.
We want the equilibrium to shift RIGHT
If pressure is increased, the equilibrium will shift to the RIGHT.
to produce a high yield of NOCl
2NO(g) + Cl2(g) Ý 2NOCl(g) + heat
In order to obtain the highest possible yield of NOCl, one should use (high/low) ________ pressure and (high/low)_______ temperature.
We want the equilibrium to shift RIGHT
If pressure is increased, the equilibrium will shift to the RIGHT.
2NO(g) + Cl2(g) Ý 2NOCl(g) + heat
In order to obtain the highest possible yield of NOCl, one should use (high/low) ________ pressure and (high/low)_______ temperature.
We want the equilibrium to shift RIGHT
If pressure is increased, the equilibrium will shift to the RIGHT.
In order to achieve the maximum yield possible one should use HIGH PRESSURE.
2NO(g) + Cl2(g) Ý 2NOCl(g) + heat
In order to obtain the highest possible yield of NOCl, one should use HIGH pressure and (high/low)_______ temperature.
We want the equilibrium to shift RIGHT
In order to achieve the maximum yield possible one should use HIGH PRESSURE.
2NO(g) + Cl2(g) Ý 2NOCl(g) + heat
In order to obtain the highest possible yield of NOCl, one should use HIGH pressure and (high/low)_______ temperature.
We want the equilibrium to shift RIGHT
Should we use high or low temperature?
2NO(g) + Cl2(g) Ý 2NOCl(g) + heat
In order to obtain the highest possible yield of NOCl, one should use HIGH pressure and (high/low)_______ temperature.
We want the equilibrium to shift RIGHT
Should we use high or low temperature?
to produce a high yield of NOCl
2NO(g) + Cl2(g) Ý 2NOCl(g) + heat
In order to obtain the highest possible yield of NOCl, one should use HIGH pressure and (high/low)_______ temperature.
We want the equilibrium to shift RIGHT
According to Le Châtelier’s principle, a decrease in temperature will cause the equilibrium to shift toward the heat term.
2NO(g) + Cl2(g) Ý 2NOCl(g) + heat
In order to obtain the highest possible yield of NOCl, one should use HIGH pressure and (high/low)_______ temperature.
We want the equilibrium to shift RIGHT
We are removing heat, so this reaction counteracts this stress by shifting toward the right, producing more heat.
2NO(g) + Cl2(g) Ý 2NOCl(g) + heat
In order to obtain the highest possible yield of NOCl, one should use HIGH pressure and (high/low)_______ temperature.
We want the equilibrium to shift RIGHT
Using a low temperature
2NO(g) + Cl2(g) Ý 2NOCl(g) + heat
In order to obtain the highest possible yield of NOCl, one should use HIGH pressure and (high/low)_______ temperature.
We want the equilibrium to shift RIGHT
Using a low temperature will cause this equilibrium to shift to the right,
2NO(g) + Cl2(g) Ý 2NOCl(g) + heat
In order to obtain the highest possible yield of NOCl, one should use HIGH pressure and (high/low)_______ temperature.
We want the equilibrium to shift RIGHT
Using a low temperature will cause this equilibrium to shift to the right, producing a higher yield of the product NOCl.
2NO(g) + Cl2(g) Ý 2NOCl(g) + heat
In order to obtain the highest possible yield of NOCl, one should use HIGH pressure and LOW temperature.
We want the equilibrium to shift RIGHT
In order to obtain the highest possible yield of NOCl, one should use HIGH pressure and LOW temperature.
2NO(g) + Cl2(g) Ý 2NOCl(g) + heat
In order to obtain the highest possible yield of NOCl, one should use HIGH pressure and LOW temperature.
PE
Reaction Proceeds
Reactants
Products
Activation Energy
2NO(g) + Cl2(g) Ý 2NOCl(g) + heat
In order to obtain the highest possible yield of NOCl, one should use HIGH pressure and LOW temperature.
PE
Reaction Proceeds
Reactants
Products
Activation EnergyIf the temperature is too low, the rate of the reaction will be very slow.
2NO(g) + Cl2(g) Ý 2NOCl(g) + heat
In order to obtain the highest possible yield of NOCl, one should use HIGH pressure and LOW temperature.
A low temperature will produce a high yield of product,
2NO(g) + Cl2(g) Ý 2NOCl(g) + heat
In order to obtain the highest possible yield of NOCl, one should use HIGH pressure and LOW temperature.
A low temperature will produce a high yield of product, but if it’s too low,
2NO(g) + Cl2(g) Ý 2NOCl(g) + heat
In order to obtain the highest possible yield of NOCl, one should use HIGH pressure and LOW temperature.
A low temperature will produce a high yield of product, but if it’s too low, the rate of the reaction will be too slow to be practical.
2NO(g) + Cl2(g) Ý 2NOCl(g) + heat
In order to obtain the highest possible yield of NOCl, one should use HIGH pressure and LOW temperature.
In an industrial process using this reaction, a low temperature would be used, but still high enough to maintain a reasonable reaction rate.
2NO(g) + Cl2(g) Ý 2NOCl(g) + heat
In order to obtain the highest possible yield of NOCl, one should use HIGH pressure and LOW temperature.
In order to obtain the highest possible yield of NOCl, one should use HIGH pressure and LOW temperature.
The temperature should be high enough to maintain a reasonable reaction rate.
2NO(g) + Cl2(g) Ý 2NOCl(g) + heatIn order to obtain the highest possible yield of NOCl, one should use HIGH pressure and LOW temperature.