C2, Exothermic and endothermic reactions

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What do exothermic reactioins do?
Transfer energy to the surroundings
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What are exothermic reactions transfered as?
Heat
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How do you detect a temperature change of an exothermic reaction?
By a themometer
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Name 3 examples of exothermic reactions
Combustion, Oxidation reactions (e.g. rusting) and neutralisation reactions between acids and alkalis
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What do endothermic reactions do?
Take in energy from surroundings
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What do endothermic reactions do to temperature
They decrease the temperature
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What substances do endothermic reactions cause to react
ethanolic acid and sodium carbonate
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What do endothermic reactions cause to decompose by thermal decomposition?
calcium carbonate in a blast furnace
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Is an endothermic or exothermic reaction needed for electrolysis?
An endothermic reaction
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Name an everyday purpose for an endothermic reaction
An ice pack
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Name an everyday purpose for exothermic reactions
Hand warmers
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What is a reversable reaction?
Exothermic................ Endothermic
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Card 2

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What are exothermic reactions transfered as?

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Heat

Card 3

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How do you detect a temperature change of an exothermic reaction?

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Card 4

Front

Name 3 examples of exothermic reactions

Back

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Card 5

Front

What do endothermic reactions do?

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