is a compound that is added in small amount (a few drops) in acid-base titrations. It changes color over a certain acidity
range, and indicates the end of the titration.

An atom of which element reacts with an atom of hydrogen to form a bond with the greatest degree of polarity ?

Which symbol can be used to indicate the pressure at which a chemical reaction is carried out? 25°c 2 atm pa

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.