How is a mineral of volcanic origin with large crystals most likely formed?

crystallization through evaporation of water

crystallization of molten material inside earth

crystallization of molten material at earth's surface

crystallization through cooling of a hot water solution

Calculate the molar mass of aluminum oxide (al2o3). express your answer to four significant figures.

You are attempting to recrystallize a crude product mixture. you add the appropriate amount of hot solvent and are allowing the solution to slowly cool to room temperature. however, at room temperature no crystals have appeared, which of the following methods should be used to induce crystallization? choose all correct answers. a) place the flask in an ice bath. b) swirl the contents of the flask. c) add a small seed crystal of the desired product. d) scratch the inside of the glassware using a stir rod. it can be multiple choices

What is the scientific name for weight?