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29 August, 14:08

A scientist conducts 3 experiments in which she records the temperature of some gases that are being heated. The table shows the initial temp and final temp for each gas

A. - 21 - 8

B. - 12. 12

C. - 19. - 15

Write the difference of integers to find the overall temperature change for each gas.

Suppose the scientist perform an experiment in which she cools the 3 gases. will the changes in temperature be positive or negative for this experiment? Why?

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Answers (1)
  1. 29 August, 16:23
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    A. difference is - 8 - (-21) = - 8 + 21 = 13

    B. 12 - - 12 = 24

    C. t 15 - - 19 = 4

    -There is a positive change in temperature when the gases are heated so the reverse process of cooling will cause a negative change.
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