30. for the reaction
s(s) + 0,8) → so2(8) ah = -296 kj/mol
a. how much heat is released when 275 g
of sulfur is burned in excess oxygen?
b. how much heat is released when 25 mol
of sulfur is burned in excess oxygen?
c. how much heat is released when 150. g
of sulfur dioxide is produced?
21 calculate the enthalpy change whan 100
.0

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?