Me im ! which of the following is an indication of a chemical reaction? freezing melting release of heat all of the above

Covalent network solids typically have melting points and boiling points. the chemical formula of a network solid indicates in the molecule.

The solubility of barium nitrate is 9.02 g/100 g h2o at 20°c. a 15.2 g sample of barium nitrate is added to 200.0 g of water at 20°c. is the solution saturated, unsaturated, or supersaturated? a. unsaturated b. saturated c. supersaturated

If 10.5 l of a at 0.98to 1.50 , is ?