Stoichiometry One of the specific gravity scales is "Brix" (used speicifically for sugar solution). It is defined as Brix = 200 (G-1) Brix = 145 - (145/G) Brix = (400/G) - 400 None of these Brix = 200 (G-1) Brix = 145 - (145/G) Brix = (400/G) - 400 None of these 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 15 c.c acid and 35 c.c base 30 c.c acid and 30 c.c base 35 c.c acid and 15 c.c base 20 c.c acid and 25 c.c base 15 c.c acid and 35 c.c base 30 c.c acid and 30 c.c base 35 c.c acid and 15 c.c base ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Enthalpy of formation of NH₃ is - 46 kJ/kg mole. The enthalpy change for the gaseous reaction, 2NH₃ → N₂ + 3H₂, is equal to __________ kJ/kg. mole. 92 -23 46 -92 92 -23 46 -92 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The value of Trouton's ratio (λb/Tb) for a number of substances is 21 (where, λb = molal that of vaporisation of a substance at its normal boiling point, KCal/kg. mole and Tb = normal boiling point, °K). The Kis-tyakowsky equation is used for calculation of Trouton's ratio of __________ liquids. Non-polar Neither A nor B Polar Both A & B Non-polar Neither A nor B Polar Both A & B ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The net heat evolved or absorbed in a chemical process, i.e. total change in the enthalpy of the system is independent of the None of these State of aggregation & the state of combination at the beginning & the end of the reaction Number of intermediate chemical reactions involved Temperature & pressure None of these State of aggregation & the state of combination at the beginning & the end of the reaction Number of intermediate chemical reactions involved Temperature & pressure ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry For an ideal solution, the total vapor pressure varies __________ with the composition(expressed as mole fraction). Negligibly Exponentially Inversely Linearly Negligibly Exponentially Inversely Linearly ANSWER DOWNLOAD EXAMIANS APP
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