Balancing Practice (some of these may be in the simulation)
Balance the following equations. You may find it useful to use scratch paper to write how many atoms of each element you have on both sides of the reaction.

16. P4(s) + F2(g) → PF3(s)

17. ___C(s) + H2O(g) → CH4(g) + CO2(g)

18. HgO(s)→ O2(g) + Hg(l)

19. CaCO3(s) → CO2(g) + CaO(s)

Phosgene (carbonyl chloride), cocl2, is an extremely toxic gas that is used in manufacturing certain dyes and plastics. phosgene can be produced by reacting carbon monoxide and chlorine gas at high temperatures: co(g) cl2(g)⇌cocl2(g) carbon monoxide and chlorine gas are allowed to react in a sealed vessel at 477 ∘c . at equilibrium, the concentrations were measured and the following results obtained: gas partial pressure (atm) co 0.830 cl2 1.30 cocl2 0.220 what is the equilibrium constant, kp, of this reaction