Determine the percent composition of potassium dichromate, k2cr2o7.

a) 17.5% k, 46.6% cr, 35.9%
b) 29.8% k, 39.7% cr, 30.5%
c) 36.5% k, 48.6% cr, 14.9%
d) 37.2% k, 24.7% cr, 38.1%
e) none of these choices are correct.

How many moles of gas are present if p=11 atm, v=12l, t=185k?

What three things determine the shape and size of a puddle when water is poured out onto a surface

Will give ! what are the advantages and disadvantages of nuclear power? check all that apply. one advantage of nuclear energy is that it does not produce carbon dioxide emissions. storage of nuclear waste is a short-term problem associated with nuclear energy. the problem with uranium mining is that a large quantity of uranium must be extracted to meet energy needs because the energy release from uranium fission is so low. safe operation of a nuclear power plant can be jeopardized by a human mistake.