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 92 -23 46 -92 92 -23 46 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Pick out the correct conversion. 1 calorie = 453.6 BTU 1 BTU =453.6 calories 1 BTU = 252 calories 1 calorie = 252 BTU 1 calorie = 453.6 BTU 1 BTU =453.6 calories 1 BTU = 252 calories 1 calorie = 252 BTU ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The rate of material __________ is zero in case of a steady state system. Production Input Accumulation Generation Production Input Accumulation Generation ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The vapor pressure of water at 100°C is 100N/m² 760 mm wc 13.6 cms of Hg 76 cms of Hg 100N/m² 760 mm wc 13.6 cms of Hg 76 cms of Hg ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry What is the simplest formula of a compound containing 50% of element A (atomic weight = 10) and 50% of element B (atomic weight = 20)? A₂B AB₃ A₂B₃ AB₂ A₂B AB₃ A₂B₃ AB₂ ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry In the reaction, Ca + 2H₂O = Ca(OH)₂ + H₂ ; what volume (c.c.) of hydrogen at STP would be liberated, when 8 gm of calcium reacts with excess water? (atomic weight of calcium = 40) 1120 2240 4480 0.4 1120 2240 4480 0.4 ANSWER DOWNLOAD EXAMIANS APP
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