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. -1632.3 +1632.3 +816.15 -2448.45 -1632.3 +1632.3 +816.15 -2448.45 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) 4480 2240 1120 0.4 4480 2240 1120 0.4 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Specific gravity on API scale is given by the relation(where, G = specific gravity at 15.5°C). °API = (141.5/G) - 131.5 °API = 200(G - 1) °API = (140/G) - 130 °API = 145 - (145/G) °API = (141.5/G) - 131.5 °API = 200(G - 1) °API = (140/G) - 130 °API = 145 - (145/G) ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 1 kg/m² is equal to __________ mm water column. 10 1000 1 100 10 1000 1 100 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Isotopes are atoms having the same None of these Atomic mass Mass number Number of neutrons None of these Atomic mass Mass number Number of neutrons ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The latent heat of vaporisation Decreases with increased temperature Decreases as pressure increases All of these Becomes zero at the critical point Decreases with increased temperature Decreases as pressure increases All of these Becomes zero at the critical point ANSWER DOWNLOAD EXAMIANS APP
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