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I/GCSE Chemistry- Practicals to experiments rate or reactions

Triple and Double

· igcse chemistry

In this I/GCSE Chemistry blog post, we will be looking at different practicals that affects the rates of reaction through concentrations, sf, temperature and catalyst.

Surface area

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  • Put a set mass of magnesium in hydrochloric acid
  • Time the reaction
  • Change the from of magnesium keeping the mass the same (powder, wire, strips)
  • The more surface area (the smaller the pieces of magnesium) the faster the reaction

Concentration

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  • Put a set mass of marble chips into dilute hydrochloric acid
  • Time the reaction
  • Change the ratio of water to hydrochloric acid
  • The more concentrated the hydrochloric acid (the lower the ratio of water) the faster the reaction

Temperature

  • Put a set mass of magnesium powder into a set mass of hydrochloric acid
  • time the reaction
  • Carry out this reaction at different temperatures
  • The higher the temperature the faster the rate of reaction

Catalyst

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  • If you have hydrogen peroxide it will not decompose
  • If you put it with manganese dioxide it will decompose into water and oxygen
  • The manganese dioxide will be unaltered by the reaction
  • The more of the catalyst the faster the reaction

That's all for this post!

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References:

https://www.google.com/url?sa=i&url=https%3A%2F%2Fedu.rsc.org%2Fexperiments%2Fthe-rate-of-reaction-of-magnesium-with-hydrochloric-acid%2F1916.article&psig=AOvVaw1j2ecNBKxOdx7LzV_LO5qd&ust=1627965574512000&source=images&cd=vfe&ved=0CAsQjRxqFwoTCLjtsMDCkfICFQAAAAAdAAAAABAD

https://www.google.com/url?sa=i&url=https%3A%2F%2Fwww.tutormyself.com%2Fedexcel-igcse-2017chem-315%2F&psig=AOvVaw2Cgh3KpkS0A2WSAHaorXXc&ust=1627965611827000&source=images&cd=vfe&ved=0CAsQjRxqFwoTCJCdp9LCkfICFQAAAAAdAAAAABAD

Drafted by Venetia (Chemistry)

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