Some precipitation that falls to earth gets soaked up by soil. this water is referred to as
a. water vapor
b. groundwater
c. runoff
d. condensation

Base your answer on the information below and on your knowledge of chemistry. nitrogen dioxide, no2, is a dark brown gas that is used to make nitric acid and to bleach flour. nitrogen dioxide has a boiling point of 294 k at 101.3 kpa. in a rigid cylinder with a movable piston, nitrogen dioxide can be in equilibrium with colorless dinitrogen tetroxide, n2o4. this equilibrium is represented by the equation below. 2no2(g) n2o4(g) + 58kj at standard pressure, compare the strength of intermolecular forces in no2(g) to the strength of intermolecular forces in n2(g).

Which of these best describes an ionic bond?

Which of the dna typing techniques do you think you would choose if you had to analyze a dna sample? why?