Measuring temperature change (Edexcel GCSE Chemistry Combined Science): Flashcards
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15 cards from this deck
Temperature change in endothermic reaction
Temperature change in endothermic reaction
Temperature decreases
Temperature change in exothermic reaction
Temperature change in exothermic reaction
Temperature increases
Purpose of insulation in experiment
Purpose of insulation in experiment
Limit energy transfer to/from reaction
Why cover cup in reaction
Why cover cup in reaction
Reduce energy loss through evaporation
How to calculate temperature change
How to calculate temperature change
Final temp - starting temp
Ammonium chloride dissolving in water
Ammonium chloride dissolving in water
Lowers temp (endothermic)
Calcium chloride dissolving in water
Calcium chloride dissolving in water
Raises temp (exothermic)
Most neutralisation reactions energy type
Most neutralisation reactions energy type
Exothermic
Endothermic neutralisation exception
Endothermic neutralisation exception
Ethanoic acid + sodium carbonate
Displacement reactions energy type
Displacement reactions energy type
Exothermic
Example: Zn powder + copper sulfate
Example: Zn powder + copper sulfate
Exothermic displacement
Precipitation reactions energy type
Precipitation reactions energy type
Usually exothermic
Example precipitation reaction
Example precipitation reaction
Lead(II) nitrate + potassium iodide
Endothermic reactions & heat
Endothermic reactions & heat
Absorb heat
Exothermic reactions & heat
Exothermic reactions & heat
Release heat