Chemical equilibrium 01Chemical equilibrium #Equilibrium Constant576Choose 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 Evaporation577Choose the best answerThe rate of evaporation generally varies inversely with:AStrength of intermolecular forcesBSurface areaCTemperatureDMolecular kinetic energy Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Ionizing Power#Radioactivity578Choose the best answerCompared with γ rays, the ionizing power of α particles is approximately:A100 timesB1000 timesC5000 timesD10,000 times Like 0 Discuss 0Share
Atomic StructureShapes of d-Orbitals579Choose the best answerWhich d-orbital contains two major lobes along the z-axis and a toroidal ring around the nucleus?AdxyBdxzCdx²−y²Ddz² Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Beta Particles#Radioactivity580Choose the best answerHigh-energy β particles can attain a speed closest to which value?A1/20 of the speed of lightB9/10 of the speed of lightCExactly the speed of lightDHalf the speed of light Like 0 Discuss 0Share