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. +816.15 +1632.3 -2448.45 -1632.3 +816.15 +1632.3 -2448.45 -1632.3 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. -23 46 -92 92 -23 46 -92 92 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry For estimation of heat capacity of a solid compound, one can use Kopp's rule Clayperon's equation Gibb's equation Trouton's rule Kopp's rule Clayperon's equation Gibb's equation Trouton's rule 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 4480 0.4 2240 1120 4480 0.4 2240 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry One kg of saturated steam at 100°C and 1.01325 bar is contained in a rigid walled vessel. It lias a volume of 1.673 m³. It cools to 98°C ; the saturation pressure is 0.943 bar ; one kg of water vapour under these conditions has a volume of 1.789 m³. The latent heat of condensation (kJ/kg⁻¹ ) under these conditions is 40732 2263 2676 540 40732 2263 2676 540 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry For an ideal gas, the compressibility factor Is unity at Boyle's temperature Zero Is unity at all temperature Decreases with pressure rise Is unity at Boyle's temperature Zero Is unity at all temperature Decreases with pressure rise ANSWER DOWNLOAD EXAMIANS APP
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