Stoichiometry Questions

• The number of H+ in 1 c.c solution of pH 13 is
• The heat capacity of a solid compound is calculated from the atomic heat capacities of its constituent elements with the help of 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
• Except for monoatomic gases, the molal heat capacity at constant volume for all gases is __________ Kcal/Kg mole.° K.
• The vapour pressure of a solution (made by dissolving a solute in a solvent) is __________ that of the pure solvent.
• 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)
• The increase in the temperature of the aqueous solution will result in decrease of its
• Which of the following ideal gas laws are not applicable to mixture of gases?
• Othmer chart is useful in estimating the heat of
• __________ equation relates latent heat and boiling point.
• With rise in temperature, the heat capacity of a substance
• Heat of reaction is a function of the
• Cp - Cv, for an ideal gas is equal to
• 1 bar is almost equal to __________ atmosphere.
• The vapor pressure of water at 100°C is
• Applicability of Claussius-Clapeyron equation is subject to the condition that the
• 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
• An aqueous solution of 2.45% by weight H2SO4 has a specific gravity of 1.011. The composition expressed in normality is
• 1m3 is approximately equal to
• The unit of Cp in S.I. units is