A scuba diver is experiencing a pressure of 5.0 atm. To what depth in feet has he dived? Careful, remember that just by being on the surface of the sea he is at 1.0 atm! It might be useful to remember that: the density of mercury is 13.6 g/ml, the density of water is 1.00 g/ml and that there are 3.28 ft in one meter.

a) 54.4
b) 169
c) 136
d) 41.3
e) 51.5

What is the mass of sodium in 3 moles of sodium chloride

Look at the spectrums of a star moving towards earth and a motionless star. which of these is a correct inference that can be draw from the observation of the two spectrums? (2 points) the spectrum of a motionless star is difficult to be viewed separately using oridinary telescopes. the spectrum of a motionless star is identical to the spectrum of a star which moves towards earth. the spectrum of a star shifts towards the red region when the star moves towards earth. the spectrum of a star shifts towards the blue region when the star moves towards earth.

The excretory system, need answers for all: )