Chemistry: Year 10 Term 2: Reaction Profiles

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What is a reaction profile? (2)
Diagram showing energy change in reactants/products
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The line to the left shows what? (1)
Reactants
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The top of the peak indicates what? (1)
Activation energy
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The curve indicates what? (2)
Energy release/absorption
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The product line lower than the reactant line means what? (2)
Energy released - exothermic
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The reactant line higher than the reactant line means what? (2)
Energy absorbed - endothermic
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Energy change is what? (1)
Difference between energy levels of reactant/product
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What is energy change measured in? (1)
kJ/mol
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Define 'activation energy' (2)
The minimum energy needed for the reaction to occur
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What happens if atoms collide at less than the activation energy? (1)
They bounce off of each other
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Breaking chemical bonds does what to energy and what process is this? (2)
Requires energy, endothermic
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Making chemical bonds does what to energy and what process is this? (2)
Releases energy, exothermic
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Other cards in this set

Card 2

Front

The line to the left shows what? (1)

Back

Reactants

Card 3

Front

The top of the peak indicates what? (1)

Back

Preview of the front of card 3

Card 4

Front

The curve indicates what? (2)

Back

Preview of the front of card 4

Card 5

Front

The product line lower than the reactant line means what? (2)

Back

Preview of the front of card 5
View more cards

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