A sealed 26-m3 tank is filled with 2000 moles of oxygen gas (O2 ) ...

[Chelseaamend]

A sealed 26-m3 tank is filled with 2000 moles of oxygen gas (O2 ) at an initial temperature of 270 K. The gas is heated to a final temperature of 460 K.
 
  The ATOMIC mass of oxygen is 16.0 g/mol, and the ideal gas constant is R = 8.314 J/mol  K = 0.0821 L  atm/mol  K. The final pressure of the gas is closest to
  A) 0.29 MPa.
  B) 0.31 MPa.
  C) 0.33 MPa.
  D) 0.34 MPa.
  E) 0.36 MPa.

Question 2

The impulse-momentum relationship is a direct result of
 
  A) Newton's first law.
  B) Newton's second law.
  C) Newton's third law.

[joneynes]

Answer to Question 1

A

Answer to Question 2

Answer: B

[Chelseaamend]

Excellent

[sultansheikh]

TYSM