25. in the investigation shown the changes in heat of the copper is greater than the change in the heat of the water. what error could account for this apparent violation of the law of conservation of energy?

The mass of a neutron is equal to the mass of a proton plus the mass of an electron. true or false false true

Scientific evidence tells us that the cause of earths four season is the tilt of earth as it revolves around the sun. the student is instructed to illustrate this information in a science notebook. how will the student illiterate winter in the northern hemisphere?

Which of these expressions are correct variations of the combined gas law? p1v1t2 = p2v2t1 both