Stoichiometry Quiz 3

Heat of reaction is a function of the_____?

If 1 Nm3 of O2 contains ?N? number of molecules, then number of molecules in 2Nm3 of SO2 will be__________?

How many phases are present at eutectic point ?

In case of an unsaturated vapor-gas mixture, the humid volume increases with increase in the_________?

If a solution of eutectic composition is cooled, ________ reaching the eutectic temperature ?

In a chemical process, the recycle stream is purged for________?

For a reaction, X ? Y, if the concentration of ?X? is tripled; the rate becomes nine times. The order of reaction is___________?

Heat of transition is the heat evolved or absorbed, when a substance is converted from__________?

Heat of reaction is not influenced by___________?

How much O2 can be obtained from 90 kg of water ?

Gases having same reduced temperatures and reduced pressures__________?

Heat of neutralisation of a strong acid and strong base is always a constant value, i.e., 57 KJ/Kg mole. This is because__________?

Fireclay bricks are not used in the__________?

In case of a solution (not of a solid in a liquid), whose total volume is more than the sum of volumes of its components in their pure states, solubility is___________?

In general, the specific heats of aqueous solutions ______ with increase in the concentration of the solute?

In a mixture of benzene vapor and nitrogen gas at a total pressure of 900 mm Hg, if the absolute humidity of benzene is 0.2 kg benzene/kg nitrogen, the partial pressure of benzene in mm Hg is___________?

In case of vapor-liquid equilibria, which of the following does not account for gas phase deviation from ideality ?

Fireclay bricks are used in the_______?

In a binary liquid system, the composition expressed as ________ is independent of the temperature & pressure?

In ________ process, ions of salts react with water to produce acidity or alkalinity ?

For water evaporating into unsaturated air under adiabatic conditions and at constant pressure, the _____ remains constant throughout the period of vaporisation ?

For estimation of heat capacity of a solid compound, one can use_________?

In osmosis through a semi-permeable membrane, diffusion of the_____?

Fireclay bricks are not used in the_________?

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 ________?

Fireclay bricks is not used for lining the________?

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 ______?

Fusion point of a basic refractory material is_________?

If the partial pressure of the solvent in the vapor phase is equal to the vapor pressure of the solvent at that temperature, then the system is said to be at its_____?

Heat of _____ of a fuel is called its calorific value?

Heat of neutralisation of HCl and NaOH is ? 57.46 kJ/Kg mole. The heat of ionisation of water will be ______ kJ/Kg mole?

For most salts, the solubility increases with rise in temperature, but the solubility of ________ is nearly independent of temperature rise?

In a binary liquid solution of components ?A? and ?B?, if component ?A? exhibits positive deviation from Raoult?s law, then component ?B? ?

For an ideal solution, the total vapor pressure varies ______ with the composition (expressed as mole fraction)?

Faster rate of drying of moulded refractories results in high _______ of refractories?

High porosity refractory bricks have_________?

Hot metal runner in blast furnace are lined with _______ bricks?

If pH value of an acidic solution is decreased from 5 to 2, then the increase in its hydrogen ion concentration is ______ times?

Heat of solution in a system in which both solute and solvent are liquids is termed as__________?

For an ideal gas, the compressibility factor_________?

Except for monatomic gases, the molal heat capacity at constant volume for all gases is ______ Kcal/Kg mole.? K?

In case of a ternary system involving two liquid components and a solute, the ratio of the concentration of the solute in the two phases at equilibrium is called the distribution co-efficient. The distribution co-efficient depends upon the_______?

If the pressure of a gas is reduced to half & its absolute temperature is doubled, then the volume of the gas will__________?

Hess?s law of constant heat summation is based on conservation of mass. It deals with _____?

For any system, the ______ heat of solution is dependent on the temperature and the adsorbate concentration?

If pH value of a solution is 8, then its pOH value will be ______?

In case of a solution (not of a solid in a liquid), whose total volume is less than the sum of the volumes of its components in their pure states, solubility is___________?

For a given mass of a gas at constant temperature, if the volume ?V? becomes three times, then the pressure ?P? will become_______?

Gases diffuse faster compared to liquids because of the reason that the liquid molecules__________?

In a neutral solution __________?