Stoichiometry Hess's law of constant heat summation is based on conservation of mass. It deals with Equilibrium constant Reaction rate Changes in heat of reaction None of these Equilibrium constant Reaction rate Changes in heat of reaction None of these 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 0.19 0.67 0.33 0.40 0.19 0.67 0.33 0.40 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The net heat evolved or absorbed in a chemical process, i.e. total change in the enthalpy of the system is independent of the Temperature & pressure Number of intermediate chemical reactions involved State of aggregation & the state of combination at the beginning & the end of the reaction None of these Temperature & pressure Number of intermediate chemical reactions involved State of aggregation & the state of combination at the beginning & the end of the reaction None of these ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A solution with reasonably permanent pH is called a/an __________ solution. Colloidal Ideal Non-ideal Buffer Colloidal Ideal Non-ideal Buffer ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry In osmosis through a semi-permeable membrane, diffusion of the Solvent is from low concentration to high concentration region Solute takes place None of these Solvent is from high concentration to low concentration region Solvent is from low concentration to high concentration region Solute takes place None of these Solvent is from high concentration to low concentration region ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry If pH value of an acidic solution is decreased from 5 to 2, then the increase in its hydrogen ion concentration is __________ times. 100 1000 10 10000 100 1000 10 10000 ANSWER DOWNLOAD EXAMIANS APP
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