An ideal gas is heated from 20^(@)C to 40^(@)C underconstant pressure. The change in internal energy is

An ideal gas is heated from 20^(@)C to 40^(@)C underconstant pressure.

1.	An ideal gas is heated from 20^(@)C to 40^(@)C underconstant pressure. The change in internal energy is
Answer» zero under constant pressure Double the ORIGINAL value PROPORTIONAL to CHANGE in VOLUME Proportional to change in temperature Answer :D