Acow has eaten 1500kj of stored chemical energy in the form of food. 945 kj is excreted as waste products. 495 kj is used for respiration. how much of the original 1500 kj is stored as chemical energy in the tissue of the cow ?

What happens to atoms and chemical bonds during a reaction?

10 points! will mark brainiest! in a heat engine if 1,000 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 initial energy was 2,000 j 1: write the equation 2: list out your known variables 3: plug the numbers into the equations 4: solve 5: write your solution statement that includes initial energy and final energy added you so much!

Since the energy was not raising the temperature of the water during these segments, what was the energy used to do instead? your answer must include an explanation of what is happening to the molecules.