A 2.50 g sample of a compound contains 1.345 g C; 0.210 g H; 0.448 g O and the rest is CI. What is the empirical formula?

Ted and emily played a mixed doubles tennis match against jack and brenda. in the second match. ted and brenda played against jack and emily. which type of chemical reaction does the situation demonstrate?

11. phosphorus-32 is radioactive and has a half life of 14 days. how much of a 124 mg sample of phosphorus-32 is present after 56 days? a) 7.75 mg b) 15.5 mg c) 31.0 mg d) 62.0 mg

Why are pipes bursting in the in extremely cold weather?