Excess nitrogen in drinking water can be a result of

One of the cell membrane's functions is to protect the cell keep wastes in the cell create new cells keep light out of the cell

What is the mass of each element in a 324.8 sample of co2

Consider the following reactions. (note: (s) = solid, (l) = liquid, and (g) = gas.) mg(s) + ½o2(g) → mgo(s) + 146 kcal/mole h2(g) + ½o2(g) → h2o(g), δh = -57.82 kcal/mole what type of reaction is represented by the previous two examples?