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)? A₂B₃ AB₂ A₂B AB₃ A₂B₃ AB₂ A₂B AB₃ ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry With increase in the temperature of pure (distilled) water, its POH and pH both 4ecreases POH decreases and pH increases PH decreases and pOH increases PH and pOH both increases POH and pH both 4ecreases POH decreases and pH increases PH decreases and pOH increases PH and pOH both increases ANSWER DOWNLOAD EXAMIANS APP
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 +816.15 -2448.45 +1632.3 -1632.3 +816.15 -2448.45 +1632.3 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry One mole of methane undergoes complete combustion in a stoichiometric amount of air. The reaction proceeds as CH₄ + 2O₂ → CO₂ + 2H₂O. Both the reactants and products are in gas phase. ΔH°298 = - 730 kJ/mole of methane. Mole fraction of water vapour in the product gases is about 0.33 0.67 0.19 0.40 0.33 0.67 0.19 0.40 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A vapor that exists above its critical temperature is termed as a __________ vapor. Gaseous Unsaturated Sub-cooled Saturated Gaseous Unsaturated Sub-cooled Saturated ANSWER DOWNLOAD EXAMIANS APP
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