Physics

A) a medium

B) vacuum only

C) no medium

D) solid contact

A) same internal energy

B) thermal equilibrium (no net heat flow)

C) same mass

D) same volume

A) exchange heat

B) exchange only work

C) exchange matter

D) not interact

A) total internal energy

B) average random kinetic energy per particle

C) momentum

D) mass density

A) equality of pressure

B) equality of temperature

C) equality of volume

D) equality of density

A) calorie

B) joule

C) watt

D) newton

A) 1 J

B) 4.186 J

C) 0.4186 J

D) 41.86 J

A) pressure only

B) temperature only

C) volume only

D) temperature and volume