5) example of chemical change a) melting cheese b) grinding powder c) fireworks exploding d)ironing a shirt @princegn

How do you know when a chemical reaction has occurred

What is the reaction between an acid and a base

Which statement is true according to the kinetic theory? a. molecules of different gases with the same mass and temperature always have the same average density. b. molecules of different gases with the same mass and temperature always have the same average volume. c. molecules of different gases with the same mass and temperature always have the same pressure. d. molecules of different gases with the same mass and temperature always have the same molecular mass. e. molecules of different gases with the same mass and temperature always have the same average kinetic energy.