Which of the following is/are true? a
Mixing an acid with base to produce salt and water
is a physical change
b Inflating a volleyball is a chemical change
C Tarnishing of silver is a chemical Change
d All of the above

Determine the percent sulfuric acid by mass of a 1.61 m aqueous solution of h2so4. %

The organs inside the body and how they function together

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?