Cuando una sustancia alcanza el punto de fusión o de ebullición, en la fase del cambio de estado se

State the following: boyle's law and charle's law

Efficiency is the ratio of to for a system a)power in to power in b)power in to power out c) power out to power out d) power out to power in

"if the pressure acting on an ideal gas at constant temperature is tripled, its volume isa) reduced to one-third. b) increased by a factor of three. c) increased by a factor of two. d) reduced to one-half"