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Liz Elliott Rates of reaction. Marble chips and Hydrochloric acid. Aim: In this experiment we are trying to find out how fast the rate of reaction is in marble chips and hydrochloric acid. Prelim: For our preliminary experiment we did three different types of experiments for us to see. Method 1) First, he used a measuring cylinder in water connected to a tube connected to a conical flask with the marble chips and acid inside it. The aim was to see the gas bubbles in the measuring cylinder. Method 2) Our second method was to use a gas syringe connected to a conical flask. The aim was for the gas to push the syringe up and measure the amount it had moved every 10 seconds. Method 3) In this experiment we weighed the marble chips and acid on a digital balance and then weighed it again after the reaction had taken place through the cotton wool. These are...

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