Predict if the given compounds below undergo sn2 or sn1 in presence of nai/acetone and agno3/ethanol medium. (1-bromobutane, 1-chlorobutane, 2-bromobutane, 2-chlorobutane, 2-chloro-2-methylpropane, 2-bromo-2-methylpropane)

Used the balanced equation 2h2+ o2 - -> 2h2o. if you have 7.2 grams of o2 , how many grams of h2o can you produce ?

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?

The element that has the greatest electronegativity is