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A sample of 3.24 mol of xenon is confined at low pressure in a volume at a temperature of 66 °C. Describe quantitatively the effects of each of the following changes on the pressure, the average kinetic energy per molecule in the gas, and the root-mean-square speed (a) The (b) The volume is quadrupled. (c) The amount of xenon is decreased to 2.22 mol. Give each answer as a decimal factor of the form: new value factor old value. A factor of 1 means no change. KEgyg
a Search this course Ethylene reacts with hydrogen in the presence of a catalyst to form ethane according to the equation C2H4(g)+H)CH( The initial pressure of a mixture of C H4 and an excess of H, in a rigid vessel is 0.406 atm. A catalyst is introduced. After the reaction reaches completion, the temperature is restored to its initial value. The final pressure in the vessel is 0.284 atm What was the mole fraction of CH4 in the original mixture? at 300 PM
Q Search this course reacts with 2A1(s) + 2NaOH(aq) + 611,00)-一-2NaAI(OH)4(aq) + 3112(g) The product gas, H, is collected over water at a temperature of 25 °C and a pressure of 757 mm Hg. If the wet H, gas formed occupies a volume of 5.36 L, the number of grams of H2 formed is g. The vapor pressure of water is 23.8 mm Hg at 25 °c. 1 iestion attempts remaning t3
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