Chemical Engineering :: Stoichiometry
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The quantity of heat required to evaporate 1 kg of a saturated liquid is called
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The vapour pressure of water is given by, in Psat = A - (5000/T), where A is a constant, Psat is the vapour pressure in atm. and T is the temperature in K.The vapor pressure of water in atm. at 50°C is approximately
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A vapor whose partial pressure is less than its equilibrium vapor pressure is called the __________ vapor.
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Pick out the wrong statement:
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Pick out the wrong unit conversion.
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A fluid gas produced on burning furnace oil contains 0.15 gm mole of CO2, 0.05 gm mole of oxygen and 0.80 gm mole of N2. What is its molecular weight ?
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A gaseous mixture contains 14 kg of N2, 16 kg of O2 and 17 kg of NH3. The mole fraction of oxygen is
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Isotopes are atoms having the same
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500 c.c. each of hydrogen at 700 mm Hg pressure and oxygen at 600 mm Hg pressure are put together in a vessel of 1 litre capacity. The final pressure of the gas mixture will be __________ mm Hg.
A.
The integral heat of solution of either components can not be calculated from heat of mixing data.
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B.
The average value of heat of neutralisation of dilute solutions of weak acids and bases is much less compared to that for strong acids and bases.
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C.
The standard heat of solution of the hydrate of a substance is the difference between the heat of solution of the anhydrous substance and its heat of hydration.
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D.
The accompanying enthalpy change, when a solute is dissolved in solvent, depends upon the nature & amount of the solute & the solvent, on the temperature & on the initial & final concentrations of the solution.
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