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I am going to see how an increase in temperature at a steady rate on a waterbath, will affect the time of how long it will take an alka-seltzer tablet to dissolve in a steadily heated water-bath.  

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Aim: As I start the experiment, I am going to see how an increase in temperature at a steady rate on a waterbath, will affect the time of how long it will take an alka-seltzer tablet to dissolve in a steadily heated water-bath. This will be done by me first heating a large beaker, full of water, which contains another smaller beaker, half filled with water inside. Once the temperature is right, by me checking on a thermometer, I will remove the heat and quickly place the tablet inside and start timing how long it takes to dissolve or stop fizzing, using a stop clock. Input Variables: Temperature - I will increase the temperatures by 50C from the room temperature, which is around 200C, until I reach 850C and I will see how the increase in temperature, will affect the rate of which tablet dissolves, in the entire range....

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