Part A
Identify which of the following equations are balanced.
Check all that apply.
CO(g) + 2H2(g)CH3OH(1)
02KMnO4(s)→→KMnO4(s) + MnO2 (s) + O2 (g)
OSF4(g) + 2F2(g) →SF6(8)
Mg(s) + N2(g) →Mg3N2 (s)
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Explain the relationship between forward and backward reactions in equilibrium, and predict how changing the amount of a reactant (creating a tension) will affect that relationship.

Consider the reduction reactions and their equilibrium constants. cu+(aq)+e−↽−−⇀cu(s)pb2+(aq)+2e−↽−−⇀pb(s)fe3+(aq)+3e−↽−−⇀fe(=6.2×108=4.0×10−5=9.3×10−3 cu + ( aq ) + e − ↽ − − ⇀ cu ( s ) k =6.2× 10 8 pb 2 + ( aq ) +2 e − ↽ − − ⇀ pb ( s ) k =4.0× 10 − 5 fe 3 + ( aq ) +3 e − ↽ − − ⇀ fe ( s ) k =9.3× 10 − 3 arrange these ions from strongest to weakest oxidizing agent.

Rays from the sun are not considered matter true or false