Which has more mechanical energy, a box on the top shelf of a closet or a box of equal mass on the floor? the box on the floor has more mechanical energy because work has been done on it. the box on the shelf has more mechanical energy because it is higher above earth's surface. they have the same mechanical energy. there is not enough information to know.

Fill in the coefficients that will balance the following reaction: a0cr2(so4)3 + a1agno3 -> a2cr(no3)3 + a3ag2so4

How do you convert 4 mmol of bromobenzene to ml?

Nitric acid can be formed in two steps from the atmospheric gases nitrogen and oxygen, plus hydrogen prepared by reforming natural gas. in the first step, nitrogen and hydrogen react to form ammonia: (g) (g) (g) in the second step, ammonia and oxygen react to form nitric acid and water: (g) (g) (g) (g) calculate the net change in enthalpy for the formation of one mole of nitric acid from nitrogen, hydrogen and oxygen from these reactions. round your answer to the nearest .