Can anyone help with my chemistry?

Question

A gas system has pressure, volume and moles of 1410 torr, 8.47 L and 0.346 moles, respectively. What is the temperature in Celsius? (760 torr = 1 atm)

A. 279oC

B. 84oC

C. 127oC

D. 228oC

E. 110oC

Which location would have the most air molecules per cubic foot?

A. Death Valley (below sea level)

B. Miami (at sea level)

C. Denver (above sea level)

A sample of gas initially occupies 6.0 cubic meters at a pressure of 1.5 atm. The pressure is then expanded to 2.0 atm. The temperature remaining constant, what is the new volume of the gas?

A. 10 cubic meters

B. 4.5 cubic meters

C. 9.0 cubic meters

D. 3.5 cubic meters

E. 18 cubic meters

Answer 1

A gas system has pressure, volume and moles of 1410 torr, 8.47 L and 0.346 moles, respectively. What is the temperature in Celsius? (760 torr = 1 atm)

Answer 2

A gas system has pressure, volume and moles of 1410 torr, 8.47 L and 0.346 moles, respectively. What is the temperature in Celsius? (760 torr = 1 atm)