1. Consider the following two substances and their vapor pressures at 298 K. Substance Vapor Pressure (mmHg) A) 275
B) 459
Based on this information compared the characteristics of the two substances?
2. The vapor pressure of dichloromethane, CH2Cl2, at 0 degrees C is 134 mmHg. The normal boiling point of dichloromethane is 40 degrees C. Calculate its molar heat of vaporization?

3.09 lab: reaction of metals 1 which combinations of substances resulted in a chemical change? for each metal that participated in a chemical change, write the type of metal it is, based on your examination of the periodic table. were there any metallic compounds that did not react with either the acid or the base? write the type of metal, based on your examination of the periodic table. make a general statement about the reactivity of the metals in this experiment.