Question

The kinetic energy of 2.8 g of nitrogen gas at 127°C is nearly–

• A. 249.3 J
• B. 200.4 J
• C. 2.5 J
• D. 20.5 J

Answer 1

Answer: (C)

2.5 J

Answer 2

KE = $\frac { 3 } { 2 }$ nRT