MARKING GUIDE 1B SET A.
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| 2. | |
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| 3. | |
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| 4. | |
a) |
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| i) | Activation energy = 70kj mol-1 Enthalpy change = +40 kj mol-1 |
| ii) | Activation energy = 30kj mol-1 Enthalpy change = -40 kj mol-1 |
| b) | Activation energy would be reduced by use of a catalyst. |
| 19. | |
| a) | H+ ion appears on both reactant and product side – i.e. not used up. |
| b) | |
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