At the beginning of a laboratory experiment, the temperature of a substance is -12.6°C. During the experiment, the temperature of the substance decreases 7.5°C. What is the final temperature of the substance?

banganX 2020-10-18 Answered

At the beginning of a laboratory experiment, the temperature of a substance is 12.6C. During the experiment, the temperature of the substance decreases 7.5C. What is the final temperature of the substance?

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Expert Answer

svartmaleJ
Answered 2020-10-19 Author has 92 answers

Subtract the initial temperature by the change, since it decreased: 12.67.5
To subtract, add the opposite: =12.6+(7.5)=20.1
So, the final temperature is 20.1C

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