What is the chemical reaction between an acid and a base which results in the formation of salt and water?

The graph above shows how the price of cell phones varies with the demand quantity. the equilibrium price for cell phones is where both supply and demand quantities equal $100, 5,000 5,000, $100

What happens to isotopes that are unstable?

Consider the four elements above. which one of these elements will combine with oxygen in a 1: 1 ratio?