Answer Happy

1. a. According to the following reaction, how many grams
of water are needed to
form 27.9 grams of oxygen
gas?

water (l) hydrogen (g)
+ oxygen (g)

_______________grams water
b. According to the following reaction,
how many grams of barium chloride will
be formed upon the complete reaction
of 25.8 grams of barium
hydroxide with excess hydrochloric
acid?

hydrochloric acid (aq)
+ barium
hydroxide (aq) barium
chloride (aq)
+ water (l)

__________________ grams barium
chloride
C. According to the following reaction,
how many grams of oxygen gas are
required for the complete reaction
of 31.8 grams of nitrogen
gas?

nitrogen (g)
+ oxygen (g) nitrogen
monoxide (g)
_________________________grams oxygen
gas