An organic compound that contains 85.71% and has a molar mass of 28 g Calculate the masses of carbon and hydrogen ? is there anyone know the answer​

This flow chart shows the amount of energy that is emitted by each type of light. ultraviolet > blue light > yellow light > red light (maximum energy) (minimum energy) in an experiment, shining which type of light on a strip of metal would be least likely to produce the photoelectric effect? ultraviolet light dim blue light bright red light bright yellow light

What is one real world example of a colligative property?

Which type of intermolecular attractions holds ammonia molecules together with other ammonia molecules?