Stoichiometry The heat capacity of a solid compound is approximately equal to the sum of the heat capacities of the constituent elements. This is the statement of Law of Petit and Dulong Kopp's rule Nearnst heat theorem Trouton's rule Law of Petit and Dulong Kopp's rule Nearnst heat theorem Trouton's rule ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The heats of vaporisation of CS₂, C₂H₅OH &H₂O are 26.8, 38.6 & 40.6 KJ/kg mole respectively. The order of decreasing inter-molecular forces in these liquids is CS₂ > C₂H₅OH > H₂O H₂O > CS₂ > C₂H₅OH H₂O > C₂H₅OH > CS₂ CS₂ > H₂O > C₂H₅OH CS₂ > C₂H₅OH > H₂O H₂O > CS₂ > C₂H₅OH H₂O > C₂H₅OH > CS₂ CS₂ > H₂O > C₂H₅OH ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A liquid is in equilibrium with its vapor at its boiling point. On an average, the molecules in the liquid and gaseous phases have equal Total energy Intermolecular forces of attraction Kinetic energy Potential energy Total energy Intermolecular forces of attraction Kinetic energy Potential energy ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The vapor pressure of a substance, at its melting point, is __________ in the solid state as compared to that in the liquid state. Either A or B; depends on the nature of the substance Less Same More Either A or B; depends on the nature of the substance Less Same More ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Pick out the wrong unit conversion of temperature. °C = (F- 32) x 0.555 °F = (°C + 17.778) x 1.8 °R = 273 + °F Temperature difference of 1°K = 1°C = 9/5 °F °C = (F- 32) x 0.555 °F = (°C + 17.778) x 1.8 °R = 273 + °F Temperature difference of 1°K = 1°C = 9/5 °F ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry In which of the following case of mixing of a strong acid with strong base (each of 1N concentration), temperature increase will be the highest? 20 c.c acid and 25 c.c base 30 c.c acid and 30 c.c base 35 c.c acid and 15 c.c base 15 c.c acid and 35 c.c base 20 c.c acid and 25 c.c base 30 c.c acid and 30 c.c base 35 c.c acid and 15 c.c base 15 c.c acid and 35 c.c base ANSWER DOWNLOAD EXAMIANS APP
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