C3

Rate of reaction
the speed with which a chemical reaction takes place.
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Reaction Time
The time it takes for a driver to step on the break after seeing an obstacle.
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Gradient
rate of change of two quantities on a graph; change in y/ change in x
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Product
molecules produced at the end of a chemical reaction
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Reactant
chemicals which are reacting together in a chemical reaction
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Concentration
the amount of chemical dissolved in a certain volume of solution
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Collision theory
Different reactions can happen at different rates. Reactions that occur slowly have a low rate of reaction. Reactions that happen quickly have a high rate of reaction. For example, rusting is a slow reaction: it has a low rate of reaction.
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Catalyst
Catalysis is the increase in the rate of a chemical reaction due to the participation of an additional substance called a catalyst.
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Relative atomic mass (Ar)
Relative atomic mass. Different atoms have different masses. Atoms have such a small mass mass: The amount of matter an object contains.
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Relative formula mass (Mr)
To find the relative formula mass (M r) of a compound, you just add together the A r values for all the atoms in its formula.
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Percentage yield
The yield from a chemical reaction is the mass of product made.
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Atom economy
Atom economy (atom efficiency) is the conversion efficiency of a chemical process in terms of all atoms involved (desired products produced).
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Other cards in this set

Card 2

Front

The time it takes for a driver to step on the break after seeing an obstacle.

Back

Reaction Time

Card 3

Front

rate of change of two quantities on a graph; change in y/ change in x

Back

Preview of the back of card 3

Card 4

Front

molecules produced at the end of a chemical reaction

Back

Preview of the back of card 4

Card 5

Front

chemicals which are reacting together in a chemical reaction

Back

Preview of the back of card 5
View more cards

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