Stoichiometry No cooling occurs, when an ideal gas undergoes unrestrained expansion, because the molecules Are above the inversion temperature Collide without loss of energy Do work equal to loss in kinetic energy Exert no attractive force on each other Are above the inversion temperature Collide without loss of energy Do work equal to loss in kinetic energy Exert no attractive force on each other ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Percentage saturation of a vapor bearing gas is always __________ the relative saturation. Higher than Smaller than Either A or B; depends on the system Equal to Higher than Smaller than Either A or B; depends on the system Equal to ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A gas mixture contains 6 moles of H₂ and 2 moles of N₂. If the total pressure of the gaseous mixture is 4 kgf/cm² ; then the partial pressure of N₂ in the mixture will be __________ kgf/cm² . 1 4 2 8 1 4 2 8 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The forces causing the vaporisation of liquid are derived from the Kinetic energy of translation of its molecules. The heat of vaporisation Becomes zero at the critical point Both B & C Increases with pressure rise Decreases with increasing pressure Becomes zero at the critical point Both B & C Increases with pressure rise Decreases with increasing pressure ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry With increase in temperature, the surface tension of water Increases Decreases Increases linearly Remains constant Increases Decreases Increases linearly Remains constant ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 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. +1632.3 +816.15 -2448.45 -1632.3 +1632.3 +816.15 -2448.45 -1632.3 ANSWER DOWNLOAD EXAMIANS APP