a balance reads an object A to be 45.1kg the balance reads another object B to be 33.46kg what is the total weight of both objects

Asample of aluminum foil contains 8.60 × 1023 atoms. what is the mass of the foil?

What is the area in square meters of 448 g ai foil that has a thickness of 23921 nm? the density is 2.70 g/cm

Which statement best describes isomers? a. isomers are alcohols that have the same functional group. b. isomers have at least one carbon-carbon double bond. c. isomers have the same molecular formula but different structural properties.