von jho asked 10/12/2011 Ammonia is prepared from the elements hydrogen and nitrogen by the Haber process: 3H2 + N2 becomes 2NH3. When 100 grams of N2 and 100 grams of H2 react,what mass of the reactant in excess remains unreacted?
mahirah rohail asked 7/30/2011 Which of the following thermometers can respond quickly to small temperature changes and are used in small or precise locations? Why? 1)mercury in glass thermometer, 2)Platinum resistance, 3)Thermo-couple thermometer 4)Constant Volume gas thermometer
Aubrynn Baker asked 6/28/2011 Which are more stable, nuclei that have an even number of nucleons or those that have an odd number of nucleons?