Which of the following is formed when an acid reacts with a base? (1 point) Alkaline
Hydrogen ion
Hydroxide ion
Salt

What causes most sediment to wash or fall into a river

High-pressure liquid chromatography (hplc) is a method used in chemistry and biochemistry to purify chemical substances. the pressures used in this procedure range from around 500 kilopascals (500,000 pa) to about 60,000 kpa (60,000,000 pa). it is often convenient to know the pressure in torr. if an hplc procedure is running at a pressure of 1.03×108 pa , what is its running pressure in torr?

What percentage of energy used in the u.s is produced from fossil fuels