When chemical reactions occur, the physical and chemical properties of the reactants are the same as the properties of the productsthe physical and chemical properties of the products are different from the reactantsthe compounds can be separated by physical meansa phase change takes place

What is the number of neutrons in an atom with atomic mass of 35

How does the value of the equilibrium constant show that a reaction reaches equilibrium very quickly? (a) the equilibrium constant is large. (b) the equilibrium constant is small. (c) the equilibrium constant is zero. (d) the value of the equilibrium constant does not show how quickly a reaction comes to equilibrium.

When a beta particle is emitted, the mass number of the nucleus a. decreases by one b. increases by one c. remains the same d. decreases by two