Question

The value of ∆H for cooling 2 moles of an ideal monatomic gas from 125°C to 25°C at constant pressure will be `["given C"_"P" = 5/2"R"]`

विकल्प

• – 250 R

• – 500 R

• 500 R

• + 250 R

Answer 1

– 500 R