Why do all the elements in the alkaline earth metals have similar properties

How much heat is released upon converting one mole of steam (18.0 g) from 100.0 ∘c to water at 25.0 ∘c? show work and constants, trying to figure out how it works. only given the heat capacity for steam and water so try to only use that

An empty fuel tank can still contain and therefore can be even more dangerous than one full of liquid fuel.

All forces cause motion? true or false