Which of the given statements best represent what to do in the event of a spill of concentrated sulfuric acid.

a. First, rinse the affected area with copious amount of water.
b. First, rinse the affected area with copious amounts of sodium hydroxide.
c. Second, treat the area with aqueous sodium bicarbonate solution.
d. Second, treat the area with sodium thiosulfate solution.

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

Adirect relationship can be represented by: a curve a pie chart

Aecosystem is if it can continue to function over long periods of time