What is the molarity of a solution of 0.5 mol of Cu(NO3)2 in 0.5 L water?

Why doesn't heat added to water make the tempature rise above 100c

The number at the end of an isotope’s name is the number.

Which statement explains why the bonds between non metals tend to be covalent? the bonds are found to be nondirectional they have large differences in electronegativity they have small differences in electronegativity they have ions that produce an electrostatic pull