⁉️how many kj of energy would be needed to convert 150. g of ammonia to vapor at its boiling point? ⁉️(ammonia’s heat of vaporization is 1.38 kj/g

An object resting on a table weighs 100 n. with what force is the object pushing on the table? with what force is the table pushing on the object? explain how you got your answer.

What is the energy in joules of a mole of photons associated with visible light of wavelength 486 nm?

Which of the following warnings would an agricultural chemist tell a farmer who wants to recycle his or her own ammonia? recycling ammonia is a difficult process that sometimes takes weeks. recycling ammonia requires a degree in biochemistry or a related field. recycling ammonia can be harmful because it is highly flammable and toxic. recycling ammonia costs too much money considering the price of the necessary chemicals.