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Chemistry 8 Online
OpenStudy (anonymous):

WILL GIVE MEDAL AND FAN!!!!! Juan wants to see how air expands when it is heated. He is able to use any of the following supplies - a balloon, a heat lamp, a spring scale, and a meter stick. Which is the best procedure to follow for the experiment? A. Inflate the balloon, measure the width of the balloon, heat the balloon using the heat lamp, and then measure the width again. B. Use the spring scale to measure the weight of the balloon before and after it is blown up. C. Measure the weight of the deflated balloon, inflate the balloon, heat the balloon with the heat lamp, then measure the inflated balloon's width. D. Inflate the balloon, heat the balloon using the heat lamp, and measure the weight of the balloon with the spring scale.

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