The temperature of a chemical solution is originally 21, degree, C. A chemist heats the solution at a constant rate, and the tem perature of the solution is 75, degree, C after 12 minutes of heating.
1 answer:
Assuming the question is "at what rate did the chemist heat the solution," the answer is the chemist heated the solution at +4.5 degrees Celsius per minute.
75-21=54
54/12=4.5
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