. Ajusta las siguientes ecuaciones químicas por el método del sistema de ecuaciones. a. H2 S (g) +O2 (g) SO2 (g) + H2 O (g) b. HCl (aq) + Al (s) AlCl3 (aq) + H2 (g) porfavor ayudenme

Asolution contains 225 g of sodium chloride, nacl, dissolved in enough water to make a 0.25 l of solution. what is the molarity of the solution?

Adeuteron, 21h, is the nucleus of a hydrogen isotope and consists of one proton and one neutron. the plasma of deuterons in a nuclear fusion reactor must be heated to about 3.02×108 k . what is the rms speed of the deuterons? express your answer using two significant figures.

Avariable that is not being directly tested during an experiment should be