EXAMIANS
In the reaction, Ca + 2H₂O = Ca(OH)₂ + H₂ ; what volume (c.c.) of hydrogen at STP would be liberated, when 8 gm of calcium reacts with excess water? (atomic weight of calcium = 40)
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The vapor pressure of a substance, at its melting point, is __________ in the solid state as compared to that in the liquid state.
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In a binary liquid system, the composition expressed as __________ is independent of the temperature & pressure.
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Vapor pressure of water at 100°C is about __________ bar.
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A long cylinder and a sphere both of 5 cms diameter are made from the same porous material. The flat ends of cylinder are sealed. Both the cylinder and sphere are saturated with the same solution of sodium chloride. Later both the objects are immersed for a short and equal interval of time in a large tank of water which is well agitated. The fraction of salt remaining in the cylinder and the sphere are Xc and Xs respectively. Which of the following statement is correct?
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According to Raoult's law, "The vapor pressure exerted by component in a solution is proportional to the mole fraction of that component." Raoult's law is not applicable under the following assumption/condition.
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With increase in the solute concentration, the specific heat of aqueous solutions
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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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Pick out the wrong unit conversion.
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'Giga' stands for
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