QUESTIONS:

1. The reaction 2 P + 5 Cl2 2 PCl5 has H = 886 kJ. Draw the enthalpy diagram and label reactants, products,

and H. (do not just use words reactants, products, H, actually write in what they are)

2.For ammonium chlorate, Hsolution = 26.69 kJ/mol. Calculate the amount of heat absorbed if 10.000 g dissolve in water.

3.Methanol is burned according to the following reaction:

2 CH3OH + 3 O2 2 CO2 + 4 H2O H = -726.0 kJ.

Calculate the number of grams of methanol burned if it released 14750 kJ