Stoichiometry Mcqs for Chemical


Q.  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__________________?

a. 180
b. 60.3
c. 720
d. 200


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  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___________________?
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MCQs:  Addition of a non-volatile solute to a pure solvent ____________________?
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MCQs:  ______________ equation gives the effect of temperature on heat of reaction ?
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MCQs:  “The equilibrium value of the mole fraction of the gas dissolved in a liquid is directly proportional to the partial pressure of that gas above the liquid surface”. This statement pertaining to the solubility of gases in liquid is the ______________ law?
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MCQs:  A perfectly insulated container of volume V is divided into two equal halves by a partition. One side is under vacuum, while the other side has one mole of an ideal gas (with constant heat capacity) at 298 K. If the partition is broken, the final temperature of the gas in the container___________________?
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MCQs:  As per Kirchhoff s equation, the heat of reaction is affected by the__________________?
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MCQs:  The total number of atoms in 8.5 gm of NH3 is _______________ × 1023?
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MCQs:  The heat capacity of a substance is ____________________?
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MCQs:  If 1 Nm3 of O2 contains ‘N’ number of molecules, then number of molecules in 2Nm3 of SO2 will be_________________?
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MCQs:  Which of the following gases will have the- highest kinetic energy per mole at the same pressure & temperature ?
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MCQs:  In a chemical process, the recycle stream is purged for______________________?
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MCQs:  pH value of a solution containing equal concentration of hydroxyl and hydrogen ions will be_________________?
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MCQs:  The heat of solution depends upon the____________________?
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MCQs:  Enthalpy change resulting, when unit mass of solid is wetted with sufficient liquid, so that further addition of liquid produces no additional thermal effect, is called the heat of________________?
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MCQs:  Assuming applicability of ideal gas law, the pure component volume of the vapor in a saturated gas can be calculated from theoretical relationship. The volumetric composition of a vapor saturated gas is independent of the___________________?
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MCQs:  If a solution of eutectic composition is cooled, _______________ reaching the eutectic temperature ?
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MCQs:  The atomic weight of helium is 4 times that of hydrogen. Its diffusion rate as compared to hydrogen will be _____________ times?
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MCQs:  The molar composition of a gas is 10% H2, 10% O2, 30% CO2 and balance H2O. If 50% H2O condenses, the final mole percent of H2 in the gas on a dry basis will be_______________?
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MCQs:  _________________ chart is a graph related to Antoine equation ?
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MCQs:  The viscosity of water at room temperature may be around one ___________________?
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