What is the molality of a solution that is prepared using 2.55 mol acetone dissolved in 1.8 kg of water?

Which answer lists the fundamental forces in order from strongest to weakest

Avolleyball player hit a ball with a mass of 0.25 kg. the average acceleration of the ball is 15.5 m/s². how much force did the volleyball player apply to the ball? 62.0 n 3.87 n 62.0 m/s² 3.87 m/s²

Δu of , in kj/kg, as it isto k, (a)as a of , (b) at , (c) at .