Explain why the crude oil in an oil spill can be skimmed from the top of the water and collected

Who was the first person to discovered firefiles

As ice transforms into steam, Question options: new molecules are formed. the types of atoms are changed. energy is absorbed by the molecules. the mass of the molecules is increased.

Consider the compound CaCl2. What type of compound does it represent? a) organic b) covalent c) ionic d) diatomic

1pt The process by which rock minerals are changed by natural processes into new substances is known as:

What is the vapor pressure of a solution with a benzene to octane molar ratio of 2 1?

Modern scientists use a version of the metric system called

Which element has a larger ionic radius than calcium? a. sodium b. gallium c. magnesium d. potassium

Which solution contains the largest number of moles of chloride ions? a. 30.00 ml of 0.100m cacl2 b. 10.0 ml of 0.500m bacl2 c. 25.00 ml of 0.400m kcl d. 4.00 ml of 1.000m nacl e. 7.50 ml of 0.500m fecl3?

What is the chemical formula of titanium (II)

Not related to any subject but how do you tell someone you like them?