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 -2448.45 -1632.3 +1632.3 +816.15 -2448.45 -1632.3 +1632.3 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Real gases approach ideal behaviour at High pressure & high temperature Low pressure & high temperature Low pressure & low temperature High pressure & low temperature High pressure & high temperature Low pressure & high temperature Low pressure & low temperature High pressure & low temperature ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Which of the following is an exothermic reaction? Decomposition of water None of these Dehydrogenation of ethane to ethylene Conversion of graphite to diamond Decomposition of water None of these Dehydrogenation of ethane to ethylene Conversion of graphite to diamond ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Heat of __________ of a fuel is called its calorific value. Combustion Vaporisation Formation Reaction Combustion Vaporisation Formation Reaction ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry For an endothermic reaction, the minimum value of energy of activation will be (where, ΔH = enthalpy of the reaction) Δ H >ΔH Δ H >ΔH ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Pick out the wrong conversion formula for the conversion of weight units : 1 ton = 2240 lbs = 1016 kg = 1.016 tonnes = 1.12 U.S. tons None of these 1 U.S. ton = 907 kg = 0.907 tonne = 0.893 ton 1 tonne = 1000 kg = 22.046 lbs 1 ton = 2240 lbs = 1016 kg = 1.016 tonnes = 1.12 U.S. tons None of these 1 U.S. ton = 907 kg = 0.907 tonne = 0.893 ton 1 tonne = 1000 kg = 22.046 lbs ANSWER DOWNLOAD EXAMIANS APP
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