The half reaction of an oxidation-reduction reaction shows that iron gains electrons. What does this electron gain mean for iron? A.
It is neutralized.
B.
It is oxidized.
C.
It is reduced.
D.
It has dissolved.
E.
It has precipitated.

What diagram shows the ionic compound of magnesium oxide

The following reaction shows sodium carbonate reacting with calcium hydroxide. na2co3 + ca(oh)2 → naoh + caco3 how many grams of naoh are produced from 20.0 grams of na2co3? (molar mass of na = 22.989 g/mol, c = 12.01 g/mol, o = 15.999 g/mol, ca = 40.078 g/mol, h = 1.008 g/mol) 12.2 grams 15.1 grams 24.4 grams 30.2 grams

In a reaction (at equilibrium) that makes more moles of gas than it consumes, what is the effect of increasing the pressure?