A solution is prepared by dissolving 0.131 g of a molecular substance in 25.4 g of water. The molality of the solution is determined by freezing point depression to be 0.056 m. What is the molecular mass of the substance?

How does decreasing the gas volume affect the pressure of a gas?

A50.0g sample of liquid water at 0.0 c ends up as ice at -20.0 c. how much energy is involved in this change?

Which sentence from holes contains an implied personality trait? stanley and his parents had tried to pretend that he was just going away to camp for a while, just like rich kids do. he'd just been in the wrong place at the wrong time. stanley felt somewhat dazed as the guard unlocked his handcuffs and led him off the bus. stanley nodded to show he understood