Reversible Reactions and Dynamic Equilibriums
- Created by: Ollie710
- Created on: 15-11-16 19:21
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- Reversible Reactions and Dynamic Equilibriums
- Equilibrium is only formed in a closed system
- The reaction never completes
- Concentrations remain constant
- Rate of forward reaction = rate of reverse reaction
- Ammonia
- Manufacture
- N2 + 3H2 --> 2NH3
- Hydrogen is made by:
- Reacting methane and steam
- CH4 + H2O --> 3H2 + CO
- Cracking Hydrocarbons
- C8H18 --> C8H16 + H2
- Reacting methane and steam
- Nitrogen
- It is obtained from liquefied air
- Manufacture
- Le Chatiers principle
- When dynamic equilibrium is disturbed by changing the conditions the reaction opposes change
- Conditions that could change
- Temperature
- Pressure
- Concentration
- Forward and Reverse reactions
- N2 + 3H2 2NH3
- ^H = - 92kmol
- Forward
- Reverse
- Endothermic as +92
- Effects
- Increasing Temerature
- Shift to the reverse reaction
- This is because it is endothermic as it takes in heat
- Shift to the reverse reaction
- Untitled
- Increasing Temerature
- ^H = - 92kmol
- N2 + 3H2 2NH3
- Pressure
- Shifted towards the forward reaction
- This is beacuse the left has the leastt particals
- Effects
- Increasing Temerature
- Shift to the reverse reaction
- This is because it is endothermic as it takes in heat
- Shift to the reverse reaction
- Untitled
- Increasing Temerature
- Shifted towards the forward reaction
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