How much?
- Created by: Kimberley
- Created on: 18-06-13 18:40
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- How Much?
- Empirical formula
- Way of finding out formula for compound
- 1. List elements 2. write experimental masses or percentage 3. divide each mass or percentage by the Ar 4. turn into ratio in simplest form
- Moles
- Number of moles= mass in g / Mr (relative formula mass)
- Percentage yield
- = actual yield in g / predicted yield in g x 100
- Rates of reaction
- amount of reactant used or product formed / time
- What affects it
- Temperature
- Force and frequency of collisions
- Activation energy
- concentration/ pressure
- Force and frequency of collisions
- concentration/ pressure
- Catalyst
- Activation energy
- Temperature
- Reversible reactions
- Empirical formula
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