Which statement is supported by the law of conservation of mass? A.
The mass of the products of a chemical reaction are always less than the mass of the reactants.

B.
The mass of the products of a chemical reaction have no relationship to the mass of the reactants.

C.
The mass of the products of a chemical reaction are always greater than the mass of the reactants.

D.
The mass of the products of a chemical reaction are always equal to the mass of the reactants.

Dwayne filled a small balloon with air at 298.5 k. he put the balloon into a bucket of water, and the water level in the bucket increased by 0.54 liter. if dwayne puts the balloon into a bucket of ice water at 273.15 k and waits for the air inside the balloon come to the same temperature, what will the volume of the balloon be? assume the pressure inside the balloon doesn’t change. type the correct answer in the box. express your answer to the correct number of significant figures. the volume of the balloon at 273.15 k is liters.

In an exothermic reaction the bonding energy of the product is: less than the reactants same as the reactants greater than the reactants dependent upon the presence of a catalyst

Anitrogen atom and an oxygen atom combine chemically to form nitric oxide. what is nitric oxide?