EXAMIANS
Heat capacity of air can be approximately expressed as, Cp = 26.693 + 7.365 x10⁻³ T, where, Cp is in J/mole.K and T is in K. The heat given off by 1 mole of air when cooled at atmospheric pressure from 500°C to - 100°C is
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Pure oxygen is mixed with air to produce an enriched air containing 50 volume % of oxygen. The ratio of moles of air to oxygen used is
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Roult's law is obeyed by a __________ solution.
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1 kgf/cm² is not equal to
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Heat of solution in a system in which both solute and solvent are liquids is termed as
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Heat of transition is the heat evolved or absorbed, when a substance is converted from
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The increase in the temperature of the aqueous solution will result in decrease of its
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Enthalpy of formation of NH₃ is - 46 kJ/kg mole. The enthalpy change for the gaseous reaction, 2NH₃ → N₂ + 3H₂, is equal to __________ kJ/kg. mole.
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Heat of reaction is not influenced by
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Which of the following has the least (almost negligible) effect on the solubility of a solute in a solvent?
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