Rate experiments involving precipitation (Edexcel GCSE Chemistry Combined Science): Flashcards
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Practise the cards
12 cards from this deck
Product formed when sodium thiosulfate reacts with HCl
Product formed when sodium thiosulfate reacts with HCl
Yellow solid sulfur
Effect of sulfur on solution appearance
Effect of sulfur on solution appearance
Makes solution go cloudy
What cloudiness measures in this experiment
What cloudiness measures in this experiment
How fast the reaction happens
Equipment for measuring fixed amounts of solutions
Equipment for measuring fixed amounts of solutions
Measuring cylinder
How solutions are heated to desired temperature
How solutions are heated to desired temperature
Using a water bath
What flask is placed over during experiment
What flask is placed over during experiment
Paper with black mark (cross)
When timer is started
When timer is started
As soon as solutions are mixed
When timer is stopped
When timer is stopped
When black mark can't be seen anymore
Effect of higher temperature on particles
Effect of higher temperature on particles
Particles move faster
Why faster particles speed up reaction
Why faster particles speed up reaction
They collide more often
What faster mark disappearance indicates
What faster mark disappearance indicates
Reaction is happening faster
Control variable: what volume must be maintained
Control variable: what volume must be maintained
Same amounts of sodium thiosulfate and HCl