Explain how I would find the volume of an object using water displacement.

How many neutrons does element x if it’s atomic number is 28 and its mass number is 87

Photons with the highest energy have the longest period

If water vapor with the mass of 35.0 grams is cooled and condensed into water in a closed system such as a closed glass jar, what is the mass of the water after the water vapor completely condenses? a) 34.5 grams b) 35.0 grams c) 35.5 grams d) the mass cannot be determined without knowing the volume