How many moles of gold atoms do 4.05*1024 gold atoms constitute?

Describe the importance of the fact that the electron can be moved or rearranged

Why is water the universal solvent? solubility, solute, solvent, dissolve?

The carbon containing molecule found in the atmosphere that is often released by respiration is called

Why are objects in the solar system different from each other

Liquid octane CH3CH26CH3 will react with gaseous oxygen O2 to produce gaseous carbon dioxide CO2 and gaseous water H2O. Suppose 4.6 g of octane is mixed with 27.4 g of oxygen.

In an acid-base titration, of 20 ml of a m HCI solution with 1 m NaOH. How many ml of NaOH are needed

Which of the following is not a source of air pollution related to human activities

Objects and substances in motion is I

If you were to remove an electron from a sodium atom that has eleven protons, what would be the electrical charge of the ion?

The atomic mass of fluorine in 19.0 amu, so the molar mass is?