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?

Related Mcqs:

The density of a gas at N.T.P.is ‘ρ’. Keeping the pressure constant (i.e. 760 mm Hg), the 3 density of the gas will become ¾ 0.75 ρ at a temperature of ____________ °K?

A. 273° B. 300° C. 400° D. 373°...

Number of gm moles of solute dissolved in 1 kg of solvent is called its___________________?

A. Normality B. Molarity C. Molality D. Formality...

No cooling occurs, when an ideal gas undergoes unrestrained expansion, because the molecules____________________?

A. Collide without loss of energy B. Do work equal to loss in kinetic energy C. Are above the inversion temperature D. Exert no attractive force on each other...

Sodium ______________ has inverted solubility curve i.e. its solubility increases with the lowering of temperature?

A. Carbonate (monohydrate) B. Chloride C. Thiosulphate D. Bisulphite...

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___________________?

A. Will be greater than 298 K B. Will be 298 K C. Will be less than 298 K D. Cannot be determined...