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8 Cards in this Set
- Front
- Back
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define the term rate of reaction |
the time in which it takes a reaction to take place and fully complete eg. dissolve or increase in temperature |
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name two equations used to calculate the rate of reaction |
rate of reaction = amount of reactant used divided by time rate of reaction = amount of product formed divided by time |
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24cm3 of hydrogen gas is produced in two minutes. Calculate the rate of reaction |
key = / means divide rate of reaction = 24cm3/120 seconds = 1/5 = 0.2 |
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define the term activation energy |
the minimum amount of energy for particle |
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explain what happens to the particles to cause a chemical reaction |
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explain how an increase in temperature increases the rate of reaction |
when the temperature increases, the particles become more active and move around. this results in more collision which makes the reaction faster due to energy. |
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explain how an increase in concentration increases the rate of reaction
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when the concentration increases, the particles become more active and move around. this results in more collision which makes the reaction faster due to energy.
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explain how an increase in pressure increases the rate of reaction
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the more surface area, the more space is covered |
