Most substances become less dense as the temperature increases. which substance is an exception to this rule? ice at 0°c steel at 40°c oxygen at 20°c aluminum at 20°c

Alarge marble is dropped in a graduated cylinder with 35ml of water in it.the water level increases to 49ml.what is the volume of the marble

Chemical kinetics what was the rate of reaction in trial 3? choose the closest answer.

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