Real gases have small attractive and repulsive forces between particles and ideal gases do not. Real gas particles have a volume and ideal gas particles do not. Real gas particles collide inelastically loses energy with collisions and ideal gas particles collide elastically.
The energy required to separate a mole of an ionic solid into gaseous ions
You will have divided 50200 by 1000000 which 0.0502
The first option: the basic unit of the nervous system