Please help me:) BEST ANSWER!!<3?
Please help me:) BEST ANSWER!!<3?
1. 2PbS(s) + 3O2(g) + C(s) 2Pb(s) + CO2(g) + 2SO2(g)
Which concentration(s) would be included in the denominator of the equilibrium constant expression?
Pb(s), CO2(g), and SO2(g)
PbS(s), O2(g), and C(s)
O2(g), Pb(s), CO2(g), and SO2(g)
O2(g)
2. The solubility product of cadmium carbonate, CdCO3, is 1.0 × 10-12. In a saturated solution of this salt, the concentration of Cd2+(aq) ions is ________.
5.0 × 10-13 mol/L
× 10-12 mol/L
× 10-6 mol/L
5.0 × 10-7 mol/L
3. Which change can cause the value of the equilibrium constant to change?
temperature
concentration of a reactant
concentration of a product
None of the above
4. A chemical reaction is in equilibrium when ________.
forward and reverse reactions have ceased
the equilibrium constant equals 1
forward and reverse reaction rates are equal
no reactants remain
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