Which of the following is a change of state? a. Solid changing to gas
b. Gas changing to solid
C. Liquid changing to solid
d. Gas changing to liquid.

In an investigation that uses the scientific method, which step immediately follows making a hypothesis? o summarizing the results o asking a question o making observations designing an experiment mark this and retum save and exit next submit

How heavy is thanos? a) 3000 lbs b) all of it c) the price of tea in china d) heavy enough

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