An object is placed 50.0 cm in front of a convex mirror. where can be the image located if the focal length is 40 cm from the mirror

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In a given chemical reaction, the energy of the products is greater than the energy of the reactants. which statement is true for this 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!

If you put a helium-filled balloon in the refrigerator, what will happen?