A sample of gas with an initial volume of 27.9 L at a pressure of 721 mmHg and a temperature of 309 K is compressed to a volume of 15.5 L and warmed to a temperature of 377 K .
What is the final pressure of the gas?

During chemistry class, carl performed several lab tests on two white solids. the results of three tests are seen in the data table. based on this data, carl has concluded that substance b must have bonds.

Clyde and marilyn are riding a roller coaster. during which section(s) of the track is their potential energy converted to kinetic energy? a. from point b to point c only b. from point b to point d only c. from point a to point b only d. from point a to point b and from point c to point d

Ineed ! i have no clue how to do this problem.