The value of DeltaH for cooling 2 moles of an ideal monoatomic gas from 125^@C to 225^@C at constant pressure will be [given C_P=5/2R ] _____

The value of DeltaH for cooling 2 moles of an ideal monoatomic gas fro

1.	The value of DeltaH for cooling 2 moles of an ideal monoatomic gas from 125^@C to 225^@C at constant pressure will be [given C_P=5/2R ] _____
Answer» `-250R` `-500R` 500R `+250R` ANSWER :B