According to table f, which compound is soluble in water?
(1) barium phosphate (3) silver iodide
(2) calcium sulfate (4) sodium perchlorate

This chart represents the melting point of several substance. what besy explains the high melting point of the salt?

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?

1) describe the physical layout of the ocean floor ? 2) explain how the dumbo octopus swims differently than other octopus species and why this would be an advantage in the aphonic zone . 3) why are the types of organisms that live at each underwater hot vent so dramatically different ?