An experiment requires 74.2 mL of ethyl alcohol. If the density of ethyl alcohol is 0.790 g/cm3, what is the mass of 74.2 mL of ethyl alcohol?
O a. none of these
O b.58.6 g
O c.93.9 g
O d. 7.90 g
Oe. 10.6 g

This is a mixture that has the same composition throughout.

Consider the nuclear equation below. 239/94 pu—-> x+ 4/2 he. what is x?

What method(s) do plants use to obtain nitrogen? select all that apply. absorb it from the atmosphere use bacteria to convert nitrogen to usable form obtain usable nitrogen compounds from the soil absorb nitrogen from water taken in at the roots