A 0.764 mol sample of Kr gas is confined in a 19.3 liter container at 35.1 C. If the volume of the gas sample is increased to 38.6 L holding the temperature constant, the average kinetic energy will O remain the same not enough information to answer the question decrease increase Submit Answer Retry Entire Group 3 more group attempts remaining A 1.09 mol sample of O2 gas is confined in a 26.0 liter container at 17.8 C. If the volume of the gas sample is decreased to 13.0 L holding the temperature constant, the number of molecule-wall collisions per unit area per unit time will O decrease O increase O not enough information to answer the question O remain the same Submit Answer Retry Entire Group 3 more group attempts remaining Aluminum reacts with aqueous sodium hydroxide to produce hydrogen gas according to the following equation: 2Al(s) + 2NaOH(aq) + 6H20(1)>2NaAl(OH)4(aq) + 3H2(g) The product gas, H2, is collected over water at a temperature of 20 C and a pressure of 748 mm Hg. If the wet H2 gas formed occupies a volume of 5.52 L, the number of grams of H, formed is water is 17.5 mm Hg at 20 C. g. The vapor pressure of Submit Answer Retry Entire Group 4 more group attempts remaining Oxygen gas can be prepared by heating potassium chlorate according to the following equation: 2KCIO3(s) 2KCI(s) + 30 (9) g. The vapor pressure of The product gas, O2, is collected over water at a temperature of 25 C and a pressure of 755 mm Hg. If the wet O2 gas formed occupies a volume of 6.22 L, the number of grams of Oz formed is water is 23.8 mm Hg at 25C. Submit Answer Retry Entire Group 4 more group attempts remaining