What is the density at 20 degrees Celsius of 12.0 mL of a liquid that has a mass of 4.05g?

Apure solvent has a vapor pressure the vapor pressure of a solution. a. equal to b. lower than c. higher than

You are to give ampicillin with a recommended dose of 25mg/kg to a child with a mass of 29kg. if stock on hand is 250mg/capsule how many capsules should be given?

Harvey kept a balloon with a volume of 348 milliliters at 25.0˚c inside a freezer for a night.  when he took it out, its new volume was 322 milliliters, but its pressure was the same.  if the final temperature of the balloon is the same as the freezer’s, what is the temperature of the freezer? the temperature of the freezer is  kelvins.