Warm up: Maci wants to see if soaking a metal in salt water will make it rust more than in regular
water. She is going to weigh the metal before
and after the experiment. What is her
independent and dependent variables?

In a laboratory, 1.55mg of an organic compound containing carbon, hydrogen, and oxygen is burned for analysis. this combustion resulted in the formation of 1.45mg of carbon dioxide and .89 mg of water. what is the empirical formula for this compound?

Draw any one of the skeletal structures of a 2° alkyl bromide having the molecular formula of c6h13br and two stereogenic centers. indicate chirality by using wedge and hashed wedge notation. lone pairs do not need to be shown.

Volume is a measurement of how fast particles of a substance are moving