The pressure at constant velocity, flowing through a pipe measuring 8 inches in diameter with a flow rate of 2,000 gpms 1.1 psi 32.2 psi 34.8 psi 28.9 psi

When fat comes in contact with sodium hydroxide, it produces soap and glycerin. determine whether this is a physical change or a chemical change. explain your answer

How can you improve the percent yield of copper in this lab? check all possible strategies that will you do so. measure reactants precisely. stir to the reaction take place. chill the reactants before combining them. wait patiently until the reaction completes. make sure to recover as much copper as possible.

Is this correct? correct me if i’m wrong!