In a chemical reaction, the total mass of the reactants is 10.0 grams. After the reaction, the total mass of the products must be what?

What is the conversion factor between kg/m^3 and g/m^3. express your experimental values for the densities in kg/m^3.

Aforce of 200 n is applied to an input piston of cross-sectional area 2 sq. cm pushing it downward 2.8 cm. how far does the output piston of cross-sectional area 12 sq. cm move upward? show all work.

Use the right-hand rule for magnetic force to determine the charge on the moving particle. this is a charge.