When the pressure that a gas exerts on a sealed container changes from 811 mm hg to 415 mm hg, the temperature changes from 33.0°c to _ °c?

Does the energy in a solid increase or decrease when changing to a liquid?

What is a possible quantum number set for an electron in the 3s orbital of a magnesium atom

In a heat engine of 1000 j of heat enters the system and the piston does 500 j of work what is the final internal energy of the system if the inital energy was 2000 j we have to do all of these down here 1)write the equation 2)list out your know variables 3)plug the numbers into the equations 4)solve 5)write your solution statemtn that includes inital energuy and final energuy added