Q. One mole of methane undergoes complete combustion in a stoichiometric amount of air. The reaction proceeds as CH₄ + 2O₂ → CO₂ + 2H₂O. Both the reactants and products are in gas phase. ΔH°₂₉₈ = - 730 kJ/mole of methane. If the average specific heat of all the gases/vapour is 40 J/mole.K, the maximum temperature rise of the exhaust gases in °C would be approximately equal to

View solution

Q. As per Kirchoff s equation, the heat of reaction is affected by the

View solution

Q. If 1 Nm³ of O₂ contains 'N' number of molecules, then number of molecules in 2 Nm³ of SO₂ will be

View solution

Q. The most convenient way of expressing solution concentration is in terms of

View solution

Q. Unit of mass velocity is

View solution

Q. 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

View solution

Q. pH value of a solution containing 1 gm of hydrogen ion per litre will be

View solution

Q. Claussius Clapeyron equation applies to the __________ process.

View solution

Q. __________ chart is a graph related to Antonie equation.

View solution

Q. Degrees of freedom will be equal to the number of components for a system comprising of

View solution

Q. 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

View solution

Q. Elements in a periodic table are arranged in order of their

View solution

Q. For most salts, the solubility increases with rise in temperature, but the solubility of __________ is nearly independent of temperature rise.

View solution

Q. The molecules of a liquid which is in equilibrium with its vapor at its boiling point on an average have equal __________ in the two phases.

View solution

Q. If a solution of eutectic composition is cooled, __________ reaching the eutectic temperature.

View solution

Q. Which of the following is not a unit of length ?

View solution

Q. The density of a gas 'X' is twice that of another gas 'Y'. If the molecular weight of gas 'Y' is 'M'; then the molecular weight of the gas 'X' will be

View solution

Q. Saturated solution of benzene in water is in equilibrium with a mixture of air and vapours of benzene and water at room temperature and pressure. Mole fraction of benzene in liquid is xʙ and the vapour pressures of benzene and water at these conditions are pᵥᴮ and pᵥᵂ respectively. The partial pressure of benzene in air-vapour mixture is

View solution

Q. pH value of a solution containing equal concentration of hydroxyl and hydrogen ions will be

View solution

Q. The percentage ratio of the partial pressure of the vapor to the vapor pressure of the liquid at the existing temperature is

View solution