All matter has both physical and chemical properties. a physical property is one that does not change the chemical nature of matter. which of these choices is a physical property?

flammability

reaction with water

solubility

ability to rust

The equation below shows a chemical reaction. a + b + heat —> c + d according to the law of conservation of energy, which statement is true? a. the reactants absorb heat because they have less energy than the products. b. the products release heat because they have more energy than the reactants. c. the reactants generate heat because they have more energy than the products. d. the products require heat to form because they have less energy than the reactants.