Asked by sophia

1. A student collected the following data for a fixed volume of gas:
Temperature (⁰C) Pressure (mm of Hg)
10 726
20 750
40 800
70 880
100 960
150 ???
Fill in the missing data point. Show all calculations leading to an answer.

Answered by Damon
(750-726)/(20-10) = 2.4

(800-750)/(40-20) = 2.5

(880-800)/(70-40) = 2.7

(960-880)/(100-70)= 2.7

slope increasing a bit but 2.7 seems a reasonable guess

slope = (x-960)/(150-100)

(x-960)= 50(2.7)
x = 960 + 135 = 1095


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