Question

Question 1

a.) A container (8.0 L = 8.0 x10-3 m3) has an ideal gas 2 mol. The is an initial temperature of 300K. What is the initial pressure of the gas? The gas constant: R = 8.31 (J/mol K).

A) 632 kPa
B) 0.632 Pa
C) 6320 Pa
D) 721 kPa
E) 0.72 kPa

b.) The gas is compressed until it reaches a final volume of 4.0 L while the pressure remains constant. What is the final temperature of the gas?

A) 150 K
B) 237 K
C) 300 K
D) 0 K

c.) What is the change in thermal energy of the gas? What is the thermal energy change?

A) -3739.5 J, the thermal energy has decreased
B) -2487 J, the thermal energy has increased
C) -7480 J, the thermal energy has increased
D) None of above

d.) What is the energy transferred into the system as heat?
A) -6232 J
B) +4145 J
C) +1300J
D) -829 J
E) None of above

Answer 1