Acertain solution of methylamine has a poh of 6.8, while a solution of pyridine has a poh of 6.0. which solution has a greater concentration of hydroxide ions?

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).

As changes in energy levels of electrons increase, the frequencies of atomic line spectra they emit

Areaction in which products can react to re-form reactants is