Aim: To observe contraction in gases and to
Equipment: Aluminium can, scissor tongs, Bunsen burner, heatproof mat, tripod, gauze mat, an open container of water.
Method: 1. set up a Bunsen burner underneath a tripod and gauze mat. 2. Pour approximately 50-60 ml of water into your can,. it should be no more than 1/4 full. 3. Heat the can of water until steam is seen escaping from the top. Carefully grip the can with the scissor tongs. Ensure you have a firm hold of the can before lifting it off the gauze mat. 4. Quickly, but very carefully, invert the can as you plunge into a container of water
Observations - The can heated up and you could start to hear bubbles. When we put it into the water it had a shock and it made the can explodes and it makes a loud noise.
Explanation - The water in the can had particles that could roam free and that they could move anywhere they wanted but then they had to space to move when they put it in the water.
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