3.0 moles of gas expand from an initial volume of 0.040 m3 to a ...

[tsand2]

3.0 moles of gas expand from an initial volume of 0.040 m3 to a final volume of 0.085 m3 while the temperature of the gas is kept fixed at 300 K. How much work is done by the system?
 
  A) 5.6 kJ
  B) 6.6 kJ
  C) 7.6 kJ
  D) 8.6 kJ
  E) 14 kJ

Question 2

The phase angle of a series RL circuit with a 100.0- resistor and a 20.00-mH inductor is 70.00. What is the inductive reactance of this circuit?
 
  A) 100.0
  B) 150.0
  C) 200.0
  D) 174.7
  E) 274.7

[Meganchabluk]

Answer to Question 1

A

Answer to Question 2

E

[tsand2]

Excellent

[aruss1303]

TYSM