16. A formula unit indicates the simplest unit of a(n) a. polar covalent compound
b. nonpolar covalent compound
c. ionic compound
d. molecular compound

Calculate the number of kilojoules to warm 125 g of iron from 23.5°c to 78.0°c.

In which reaction is precipitation occurring?

Which is true of a liquid? it has a definite volume but not a definite mass.it has a definite mass but not a definite volume.it has a definite volume but not a definite shape.it has a definite shape but not a definite volume.