Complete combustion of 4.80g of a hydrocarbon produced 15.4g of CO2 and 5.26g of H2O. What is the empirical formula for the hydrocarbon? Insert subscripts as necessary.

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.

Which statement is true about hcl? (5 points) select one: a. it is a salt because it increases the concentration of metallic ions. b. it is a salt because it is formed by the reaction of an acid and a base. c. it is an acid because it increases the concentration of hydroxyl ions. d. it is an acid because it increases the concentration of hydronium ions.

Answer asap need by wednesday morning calculate the ph of 0.036m naoh best answer will be brainliest