Coursework.Info - Inspiration in an Instant

On the left is an image preview of every page of this document, and below are the first 150 words with formatting removed:

Coursework By Duncan Shears 15/09/02 Aim: To investigate whether voltage affects the rate of electrolysis? Independent variables: The voltage is going to be increased to see if it affects the rate of electrolysis and how much copper is transferred from the anode to the cathode. I will note down if, the rate of electrolysis grows with the increase in voltage and if so how much. Dependent variables: At each voltage I am noting down how quickly electrolysis occurs. To get results we must measure how much the cathode gains in weight and how much the anode loses. We must measure the weight of the electrodes before the experiment and after to see the increases in weight at the cathode and decrease at the anode Controlled variables: To ensure a fair test, the amount of copper sulphate must be kept the same. The time the experiment is done for must be kept the same for each voltage. I must use...

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 147,309 others

OR

Receive email updates for this category

• Simply tell us your email address and receive a weekly Study Help Email for FREE
• Receive 3 FREE essay views with each email
• Get all the latest essays from Coursework.Info & discussion from TheStudentRoom.co.uk