How many moles of oxygen (O) atoms are in a sample of 3.98 * 1023 atoms?

A fog over a lake. what two changes of state must occur to produce the fog? do the water molecules absorb or release energy during these changes of state? what happens to the motion of the water molecules as a result?

Severe weather can occur along cold fronts. A) True B) False

Explain how genes lead to the traits that an organism has.

What is the name of the acid with the formula H3PO4? a. Hydrophosphoric acid Lideoblog b. Phosphoric acid & Phosphorous acid d. Hydrogen phosphate

elsic (or silicic) magma a. crystallizes at the highest temperatures. b. is more viscous than mafic magma. c. has approximately 40% silica and little magnesium and iron. d. is likely to form dark-colored igneous rocks.

What are some examples of chemical equations?

Substances with strong intermolecular bonds vaporize _ than those with weaker bonds. faster more easily at the same rate slower

How many dozen kernels of corn are in a 50 pound bag of corn

How does magnesium obey the octet rule when reacting to form compounds

Is heat conductivity a physical or chemical property?