Measuring temperature change (Edexcel GCSE Chemistry): Flashcards
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Practise the cards
13 cards from this deck
Endothermic reaction effect on temperature
Endothermic reaction effect on temperature
Takes in heat, temperature decreases
Exothermic reaction effect on temperature
Exothermic reaction effect on temperature
Gives out heat, temperature increases
Purpose of polystyrene cup in cotton wool
Purpose of polystyrene cup in cotton wool
Insulation to limit energy transfer
Purpose of lid on cup during reaction
Purpose of lid on cup during reaction
Reduce energy loss through evaporation
How to calculate temperature change
How to calculate temperature change
Subtract starting from highest/lowest temperature
Temperature effect when ammonium chloride dissolves
Temperature effect when ammonium chloride dissolves
Lowers temperature (endothermic)
Temperature effect when calcium chloride dissolves
Temperature effect when calcium chloride dissolves
Raises temperature (exothermic)
Type of reaction for most neutralisations
Type of reaction for most neutralisations
Exothermic (release heat)
Endothermic neutralisation exception
Endothermic neutralisation exception
Ethanoic acid and sodium carbonate
Type of reaction for displacement reactions
Type of reaction for displacement reactions
Exothermic
Example of displacement reaction
Example of displacement reaction
Zinc powder + copper sulfate
Type of reaction for precipitation reactions
Type of reaction for precipitation reactions
Usually exothermic
Example of precipitation reaction
Example of precipitation reaction
Lead (II) nitrate + potassium iodide