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 0.4 1120 4480 2240 0.4 1120 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 0.19 0.67 0.40 0.33 0.19 0.67 0.40 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Cp is expressed in S.I. unit as J/kg.°K 0°K W/m. °K W/m². °C J/kg.°K 0°K W/m. °K W/m². °C ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The vapor pressure of a substance, at its melting point, is __________ in the solid state as compared to that in the liquid state. More Either A or B; depends on the nature of the substance Less Same More Either A or B; depends on the nature of the substance Less Same ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The osmotic pressure of a solution increases, if its __________ is decreased. Volume Temperature None of these Solute concentration Volume Temperature None of these Solute concentration ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Gases having same reduced temperatures and reduced pressures Have nearly the same compressibility factor Deviate from ideal gas behaviour to the same degree Both A & B Neither A nor B Have nearly the same compressibility factor Deviate from ideal gas behaviour to the same degree Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
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