Stoichiometry For water evaporating into usaturated air under adiabatic conditions and at constant pressure, the __________ remains constant throughout the period of vaporisation. Humidity Relative saturation Wet bulb temperature Dry bulb temperature Humidity Relative saturation Wet bulb temperature Dry bulb temperature ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 1 gm mole of methane (CH₄) contains 3 gms of carbon 6.02 x 1023 atoms of hydrogen 3.01 x 1023 molecules of methane 4 gm atoms of hydrogen 3 gms of carbon 6.02 x 1023 atoms of hydrogen 3.01 x 1023 molecules of methane 4 gm atoms of hydrogen ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Heat capacity of air can be approximately expressed as, Cp = 26.693 + 7.365 x10⁻³ T, where, Cp is in J/mole.K and T is in K. The heat given off by 1 mole of air when cooled at atmospheric pressure from 500°C to - 100°C is 16.15 kJ 18.33 kJ 18.11 kJ 10.73 kJ 16.15 kJ 18.33 kJ 18.11 kJ 10.73 kJ ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry For an ideal solution, the total vapor pressure varies __________ with the composition(expressed as mole fraction). Inversely Linearly Negligibly Exponentially Inversely Linearly Negligibly Exponentially 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 Decreases with increasing pressure Becomes zero at the critical point Increases with pressure rise Both B & C Decreases with increasing pressure Becomes zero at the critical point Increases with pressure rise Both B & C ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The vapor pressure of the solvent decreased by 10 mm Hg, when a non-volatile solute was added to the solvent. The mole fraction of the solute in the solution is 0.2. What should be the mole fraction of the solvent, if the decrease in vapor pressure of the solvent is required to be 20 mm Hg.? 0.2 0.1 0.6 0.4 0.2 0.1 0.6 0.4 ANSWER DOWNLOAD EXAMIANS APP
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