What is the moons role in causing tides ?

Chemical kinetics what was the rate of reaction in trial 3? choose the closest answer.

Astudent carefully transfers 30 g of water and 30 g of alcohol in a glass tube, forming two layers and filling the tube completely. after sealing the tube, the student mixes the solutions, and notices a bubble that forms in the tube. what is the mass of the contents in the glass tube after mixing?

The number of moles of a given mass of a substance can be found without knowing its molecular formula or molar mass. true false