Chemistry 1.5 rate of chemical change

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What four factors affect rate of reaction
temperature
concentration
surface area
catalysists
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what is the equation for rate of reaction
amount of reactans used devided by time
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What are the three main methods to colleect data
collecting ad measuring volume of gas
measuring change of mass during reaction
measuring precipitation
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How does temperature affect rate of reaction
particles have more energy, causing more collisions
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how does concentartion affect rate of reaction
There are more reactant particles which causes more collisions than if there were less
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How does surface area affect rate of reaction
particles in the solution will have more area to react with caausing more successful collisions.
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What is a catalyst
a substance that increases the speed of reaction without being used up.
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What are enzymes
biological catalysts made from proteins
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What are advantages of catallysts
rarely need to be replaced
speed up reactions
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what are dissadvantages of catalysts
expensive
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what is the equation for rate of reaction

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amount of reactans used devided by time

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What are the three main methods to colleect data

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How does temperature affect rate of reaction

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how does concentartion affect rate of reaction

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