Calculate the number of different atoms in 5.0 gram of CaCO3

Explain in detail of the four major scientific developments that spurred the formulation of the plate tectonics theory

What is happening when the water inside a kettle heats up and begins to boil

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