5.13 Starter·How can you fit a giraffe, 2 dogs and a swan into a standard laboratory beaker?!5.13 Starter 2· Use particle theory to explain why the gas in the balloon contracts
Explanation
· The temperature of the gas inside the balloon decreases so the average speed of the particles decreases· Consequently the gas particles collide with the walls of the balloon with less force and less collisions per second· Because the walls of the container are flexible, the volume decreases5.13 Charles' law28 October 201111:10· 5.13 understand that there is an absolute zero of temperature which is –273oC
<<Charles' law interactive experiment.swf>>
Open the Charles' law interactive experiment
· Adjust the temperature· What’s the relationship between temperature and volume?· Plot a graph of V against T· Take a screen shot of the graph
5.13 results and conclusion28 October 201111:10
Conclusion
· Volume is directly proportional to absolute (Kelvin) temperature· V α T
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