You have a 20 gram piece of aluminum and a 40 gram piece of aluminum sitting in the sun. Which piece of aluminum will increase by ten degrees first? What is your evidence and reasoning?

A large deposit of bauxite a mineral containing aluminium was found in your community. The deposit crosses a nature preserve. A company would like to mine the bauxite in order to extract the aluminium for use in synthetic materials.

What is acid rain? Which fossil fuel causes acid rain? What are the chemical reactions that produce the acid?

A gas has a volume of 10.0 L at 250.0 K and has a pressure of 303.9 kPa, what must the temperature be when the volume changes to 30.0 L and the pressure changes to 101.3 kPa?

What substance is most basic

Calculate the mass (in g) of a single starch molecule (c6h10o5).

If the volume of 0.100M HCl delivered to 10.0mL of NaOH is 12.0mL the NaOH concentration is

The mass of 126c is exactly 12 u. what is the total binding energy of this nucleus?

A reaction is in equilibrium as shown: a + b c + d. calculate the equilibrium constant if the final concentrations stabilize at: a = 9.60 m b = 10.0 m c = 4.00 m d = 4.00 m 0.167 0.408 2.45 5.99

When 10 liters of a gas at 1 atm is compressed to 3 liters at constant temperature, what property of the gas changes?

What happens to the particles of a substance when thermal energy is added to the substance? A.) it's particles do not vibrate at all. B.) it's particles move faster. C.) it's particles move closer together. D.). It's particles move slower.