Logged out
Access All our Essays in an Instant
Swap your work for FREE access, or pay £4.99 for instant access
To see if the concentration of a substance changes the rate of reaction
Member rating:
(1 vote)
| Words:
| Submitted: Thu Jul 11 2002
Page Preview
On the left is an image preview of every page of this document, and below are the first 150 words with formatting removed:
GCSE Chemistry Coursework Andrew Wilkinson 1. Introduction This experiment is to see if the concentration of a substance changes the rate of reaction. 2. Planning Apparatus: 1. 2 measuring cylinders (both 50ml) 2. 1 beaker 3. 1 dropper 4. A stop watch 5. Magnesium ribbon (3cm strips) 6. Hydrochloric acid. 7. 1 set of scissors. 8. 1 ruler. 9. Emery paper. Diagram: Method: 1. Put on safety goggles, put all chairs under the desks and tuck in loose clothing. 2. Collect all the apparatus needed for the experiment. 3. Use the emery paper to remove any Magnesium oxide that may have formed. This could affect the reaction rate by making a barrier between the acid and the Magnesium. Then, using a ruler, cut the Magnesium into 3cm strips. 4. Measure out 40ml of Hydrochloric acid and pour this into the beaker. 5. Throughout the experiment there must always be 40ml of liquid in the beaker. The magnesium must always be 3cm long and stirring must be continuous throughout the experiment....
Get instant access
- Instant, unlimited access to our documents in full
- Swap your work for free access, or pay £4.99
- To see the full version of this document and 149,410 others
