In a chemical reaction reaction the number of molecules of a given substance is indicated by a

In the reaction 2 blank 2Pb+O2 the missing species is (1) PbO (2) PbS (3) PbO2 (4) PbS4

Energy is just like any other chemical or physical process, where it cannot be created or destroyed. Which Law states this fact? Law of Conservation of Nature Law of Conservation of Heat Law of Conservation of Energy Law of Conservation of Mass

What affect does distance have on gravitation force

How to calculate molarity

As each electron is removed one at a time from an atom of aluminum more ionization energy is required.

What is the definition of bond?

What was Ernest Rutherford's contribution to our understanding of atomic structure? A.) He discovered the existence of a center to the atom. B.) He discovered the mass of the electron. C.) He discovered the electron. D.) He discovered the neutron.

Calculate the mass in amu of 75 atoms of aluminum

What came first, the orange or the color orange?

What determines whether matter is a solid, liquid, or gas?