Which of the following statements is true? 1. The molecules of liquid water have less kinetic energy than those of water vapor.

2. The molecules of liquid water interact with one another, and those of water vapor do not.

3. The molecules of liquid water and water vapor have a different atomic composition.

4. The molecules of liquid water are bigger than the molecules of water vapor.

  the mississippians were considered to be  horticulturalists, which means they were

Consider the following reaction at equilibrium. 2co2 (g) 2co (g) + o2 (g) h° = -514 kj le châtelier's principle predicts that the equilibrium partial pressure of co (g) can be maximized by carrying out the reaction a. at high temperature and high pressure b. at high temperature and low pressure c. at low temperature and low pressure d. at low temperature and high pressure e. in the presence of solid carbon

Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.