29. When 84.8 g of iron(III)
oxide reacts with an excess
of carbon monoxide, iron is
produced
Fe, O3(s) + 3C0(g) — —
2Fe(s) + 3C02(g)
What is the theoretical yield
of iron?

Electrons are extremely important to what area of technology? a) anti-aging research b) household product development c) electronics d) drug discovery

21. consider the following chemical reaction: n2+ o2 2 no if 10.0 g of n2 reacts with excess oxygen then how many grams of no can be formed? a) 10.7 g b) 21.4 g c) 32.9 g d) 42.8 g page 4 of 8

In water, a strong acid will break down into its component parts. a. completely b. partly c. never in water, a weak base will break down into its component parts. a. completely b. partly c. never