How the sodium hydroxide can be made
Determine the following reaction: 2 Na(s) + 2 H2O(l) -------- H2(g) + 2 NaOH (aq)
ΔH= -368 kJ/mol rxn. Determine the numbers of grams of sodium hydroxide can be made if the 255 kJ of heat is released?
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The molar volume of liquid water is 0.019x10-3m3/mol, the molar enthalpy of vaporization 40.69KJ/mol, and the molar volume of steam is 30.199x10-3m3/mol, all at 100oC and 1 atm = 1.01325 bar.
What will be the equilibrium mole fraction of H2O if a mixture of 1 mol of Co and 5 mol of H2O is passed over a catalyst at this temperature and a pressure of 2 bars?
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Two liquids have vapor pressures. The compound A has 0.690 atm and the compound B has 0.350 atm at the room temperature. Suppose that a solution is prepared that is 0.33 mole fraction in the more volatile component.
A 12.2-g sample of NH4NO3 is dropped into a constant pressure calorimeter having 175 g of water at 23.5 degrees C. Discuss what temperature will the water reach, assuming that the calorimeter does not gain or lose any heat? Where the delta H
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The certain right triangle has hypotenuse which is 13 feet long, and one leg which is five feet long. If θ is angle opposite five-foot leg, determine values of all six trigonometric ratios for θ.
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