StoichiometryMass–Volume Stoichiometry606Choose the best answerWhat volume of O₂ at STP (273 K and 1 atm) is required to burn 16 g sulfur, and what volume of SO₂ is produced? S + O₂ → SO₂A11.2 L and 22.4 LB22.4 L and 44.8 LC44.8 L and 22.4 LD11.2 L and 11.2 L Like 0 Discuss 0Share
SINDH MDCAT 2019 CHEMISTRY#Gases#Pressure Conversion607Choose the best answerHow many atmospheres correspond to 1050 torr? (Sindh MDCAT 2019)A1.050B10.38C1.380D2.750 Like 0 Discuss 0Share
Industrial ChemistrySecondary Structure of Proteins608Choose the best answerα-Helix and β-sheet structures are characteristic of the:APrimary structureBSecondary structureCTertiary structureDQuaternary structure Like 0 Discuss 0Share
Chemical equilibrium 01Chemical equilibrium #Equilibrium Constant609Choose the best answerFor aA + bB ⇌ cC + dD, which expression gives the equilibrium constant according to the law of mass action?A[A]ᵃ[B]ᵇ / [C]ᶜ[D]ᵈB[C]ᶜ[D]ᵈ / [A]ᵃ[B]ᵇC[C][D] / [A][B]D([A] + [B]) / ([C] + [D]) Like 0 Discuss 0Share
LiquidsFactors Affecting Evaporation610Choose the best answerThe rate of evaporation generally varies inversely with:AStrength of intermolecular forcesBSurface areaCTemperatureDMolecular kinetic energy Like 0 Discuss 0Share