what is the wavelength of light emitted when the eolctron in a hydrogen atom undergores transiton from 6 to 2 g

Reaction rate depends on how many molecules are coming into contact with each other with enough energy to react. increasing the temperature of the reactants will increase -

Apump contains 0.5 l of air at 203 kpa. you draw back on the piston of the pump, expanding the volume until the pressure reads 50.8 kpa. what is the new volume of the air pump

What is the empirical formula of c6h18o3? ch3o c2h5o c2h6o c2h5o5