Suppose that you drop three objects into a glass of water: a piece of styrofoam, a piece of oak, and a gold ring. which float, and which sink? density of styrofoam: 0.005 density of gold ring: 19.32 density of oak: 0.70

Using the first volume and temperature reading on the table as v1 and t1, solve for the unknown values in the table below. remember to use the rules of significant figures when entering your numeric response.

Why is the bottom layer of a trophic pyrimid the

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