What mass of aluminum is produced when 0.25 mole of aluminum sulfide is completely reacted with excess hydrogen? Balance the reaction first. Al2S3 + 3H2 > 3H2S + 2Al

Joe shines white light into a bowl half full of water at an angle of incident of 27.5°. calculate the angle of refraction in the water given the indices of refraction for air and water are 1.00 and 1.36, respectively.

Enzymes affect the reactions in living cells by changing the

Increasing the substrate concentration in an enzymatic reaction could overcome which of the following? a) the need for a coenzymeb) allosteric inhibitionc) competitive inhibitiond) insufficient cofactors