PLEASE HELP!! Calculate the molality of formic acid in a solution containing 44 g of formic acid dissolved in 625 g of nitrobenzene. The molar mass of formic acid is 36 g/mol. (12.5 pts)

What are transitions between a liquid and a solid called? identify which way they are transitioning

24. a sports ball is inflated to an internal pressure of 1.85 atm at room temperature (25 °c). if the ball is then played with outside where the temperature is 7.5 °c, what will be the new pressure of the ball? assume the ball does not change in volume nor does any air leak from the ball a) 0.555 atm b) 1.74 atm c) 1.85 atm d) 1.97 atm

How many moles are in 43.9 l of oxygen