Which Item is denser than liquid water? A. Metal fork
B. Plastic cup
C. Paper plate
D. Wooden spoon

During chemistry class, carl performed several lab tests on two white solids. the results of three tests are seen in the data table. based on this data, carl has concluded that substance b must have bonds.

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?

If two objects at different te,peraure are in contact with each other what happens to their temperature