A magnetic field can be defined as A) a line that moves along an electric current B) a line that radiates from a magnetic object an area in which a force affects magnetic material a repellent force between two magnetized objects an attractive force between two magnetized objects

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.

Find the mass, in grams, of 5.00*10^23 molecules of f2

Which would freeze at a higher temperature: the great salt lake or lake tahoe? a. lake tahoe would freeze at a higher temperature. b. the great salt lake would freeze at a higher temperature. c. both lakes would freeze at the same temperature.