A solid with a mass of 47g is placed in a graduated cylinder that contains 31mL of water. After the solid is placed in the water the volume of the water raises to 37 ml. What is the density of the solid?
a
b
1.3g/ml
7.8g/mL
1.5g/mL
0.79g/mL
d

If a molecule with a molecular formula of c13h18 is treated with an excess of h2 in the presence of finally divided pt metal under conditions required for maximum hydrogenation of the molecule to give a molecule with a formula c13h24, how many rings are in the molecule?

How does a noncompetitive inhibitor reduce an enzyme’s activity?

What’s the theoretical yield of solid lead