Mercury is eliminated from the body in a first order reaction with a half-life of 60 days. If a person eats a piece of tuna fish contaminated with 1 mg of Hg, how much of this Hg

will remain in the body after 6 months?​

Particles vibrate in a rigid structure and do not move relative to their neighbors.

Aconcentrated solution of ammonia is 14.8m and has a density of 0.899g/l. what is the concentration of ammonia in this solution in weight percent (%w/w)?

Count the number of each type of atom in the equation below, and then balance the equation. write in the numbers of atoms and coefficients. add a 1 if there should be no coefficient. cs2(l) + o2(g) → co2(g) + so2(g) c [ ] s [ ] o > c [ ] s [ ] o [ ] cs2(l) + [ ] o2(g) > [ ] co2(g) + [ ] so2(g)