24651. The increase in the temperature of the aqueous solution will result in decrease of its
24652. Which of the following gases is the most soluble in water ?
24653. Except for monoatomic gases, the molal heat capacity at constant volume for all gases is __________ Kcal/Kg mole.° K.
24654. Heat of reaction is a function of the
24655. Enthalpy of a vapor gas mixture may be increased by increasing the
24656. The gravimetric (i.e., by weight) composition of a vapor saturated gas is independent of the
24657. 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)
24658. A 'limiting reactant' is the one, which decides the __________ in the chemical reacation.
24659. If the absolute temperature of an ideal gas is tripled and simultaneously the pressure is reduced to one third; then the volume of gas will
24660. A saturated vapor on being compressed would
24661. Pick out the wrong unit conversion of thermal conductivity.
24662. Cp - Cv, for an ideal gas is equal to
24663. The number of H+ in 1 c.c solution of pH 13 is
24664. Applicability of Claussius-Clapeyron equation is subject to the condition that the
24665. The unit of Cp in S.I. units is
24666. Dry air is a mixture of
24667. pH value of H2SO4 (5% concentration) is
24668. Internal energy is independent of the __________ for an ideal gas.
24669. __________ fuels require the maximum percentage of 'excess air' for complete combustion.
24670. The B S-6 standard of emission is to be implemented nationwide by
24671. __________ equation relates latent heat and boiling point.
24672. At higher temperature, molal heat capacities of most of the gases (at constant pressure) __________ with increase in temperature.
24673. The heat evolved in the combustion of benzene is represented by the equation:
C6H6 + 7.5 O2 = 6CO2 + 3H2O, ΔH = 3264.6 kJ/kg. mole
The heat energy change, when 39 gm of C6H6 is burnt in an open container, will be __________ kJ/kgmole.
24674. Pick out the wrong statement about the recycle stream in a process.
24675. Methane is mixed with stoichiometric proportion of oxygen and completely combusted. The number of additional specifications required to determine the product flow rate and composition is
24676. An aqueous solution of 2.45% by weight H2SO4 has a specific gravity of 1.011. The composition expressed in normality is
24677. Which of the following ideal gas laws are not applicable to mixture of gases ?
24678. Cv for monoatomic gases is equal to(where, R = gas constant)
24679. Unit of power is
24680. Avogadro's number is equal to
24681. The vapour pressure of a solution (made by dissolving a solute in a solvent) is __________ that of the pure solvent.
24682. The amount of Zn (atomic weight = 65) required to form 224 c.c. of H2 at N.T.P. on treatment with dilute H2SO4 will be __________ gm.
24683. With rise in temperature, the solubility of ammonia in water at a fixed pressure
24684. If the pH value of a solution changes by one unit, it implies that hydrogen ion concentration in the solution will change __________ times.
24685. The temperature at which a real gas obeys Boyle's law is termed as the
24686. Variation of vapor pressure with temperature can be calculated using Clausius-Clapeyron equation, which assumes that the
24687. Heat of neutralisation of HCl and NaOH is - 57.46 kJ/Kg mole. The heat of ionisation of water will be __________ kJ/Kg mole.
24688. A vessel of volume 1000 m3 contains air which is saturated with water vapour. The total pressure and temperature are 100 kPa and 20°C respectively. Assuming that the vapour pressure of water at 20°C is 2.34 kPa, the amount of water vapour (in kg) in the vessel is approximately
24689. Othmer chart is useful in estimating the heat of
24690. The vapor pressure of water at 100°C is
24691. With rise in temperature, the heat capacity of a substance
24692. 1m3 is approximately equal to
24693. 1 bar is almost equal to __________ atmosphere.
24694. Which of the following is the Claussius-Clayperon equation ?
24695. Kopp's rule is useful for the determination of
24696. Pick out the wrong unit conversion.
24697. Viscosity of 1 centipoise is equal to 1 centis-toke in case of
24698. In a binary liquid system, the composition expressed as __________ is independent of the temperature & pressure.
24699. A sugar solution containing __________ percent sugar is equivalent to 1 Brix.
24700. __________ equation gives the effect of temperature on heat of reaction.