How do your calculated atomic masses of oxygen and sulfur compare to the atomic masses listed in the period table: oxygen = 15.999 amu, sulfur = 32.065 amu? If your answers differed, explain where the error may have been incurred.

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.

Which of the dna typing techniques do you think you would choose if you had to analyze a dna sample? why?

If the density of water is 1.0 g/cm3, which of these materials would float in water, based on their densities? check all that apply. aluminum cork iron lead wax