Answer Happy

Multiple Choice (single) Question 25 Point:3. **Incomplete combustion of carbon-containing materials occurs when A there is insufficient oxygen to convert all of the carbon to carbon dioxide B C there are sulfur impurities in the carbon-containing material the carbon-containing material is a gas the combustion flame is too hot there is an excess of oxygen D E

Multiple Choice (single) Question 9 Point:3 The equilibrium constant for the gas phase reaction N2(g) + O2(g) + 2NO () is Keq = 420 x 10-34 at 30C. At equilibrium products predominate reactants predominate B C с roughly equal amounts of products and reactants are present D only products are present only reactants are present E