A. a increase in the number of gas molecules
B. a decrease in the density of the gas
C. an increase in the average speed of the gas molecules
D. a decrease in pressure exerted by the gas

Correct Answer: Option C

C. an increase in the average speed of the gas molecules

SEE ALSO  A rod of initial length 2m at a temperature of 25°C is heated to 80°C. Calculate the increase in the length of the rod if its linear expansivity is 4.0 x 10‾³K‾¹

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