Chemical EquilibriumDynamic Equilibrium31Choose the best answerA chemical reaction is at equilibrium when:AAll reactants have been converted into productsBForward and backward reaction rates are equalCProduct formation has completely stoppedDReactant and product concentrations are equal Like 0 Discuss 0Share
Chemical equilibrium 01Chemical equilibrium #Dynamic Equilibrium32Choose the best answerOn a concentration–time graph, what does a horizontal part of both curves indicate?AThe reaction has stoppedBEquilibrium has been establishedCReactants are completely consumedDProducts are no longer formed Like 0 Discuss 0Share
Chemical equilibrium 01Chemical equilibrium #Reaction Quotient33Choose the best answerFor H₂(g) + I₂(g) ⇌ 2HI(g), if [H₂] = 0.2 mol L⁻¹, [I₂] = 0.2 mol L⁻¹, and [HI] = 0.6 mol L⁻¹, what is Qc?A0.44B3C9D48 Like 0 Discuss 0Share
Chemical equilibrium 01Chemical equilibrium #Reaction Progress34Choose the best answerFor H₂(g) + I₂(g) ⇌ 2HI(g), why does the concentration of HI initially increase?AThe reverse reaction is initially fasterBThe forward reaction produces HICH₂ and I₂ are formed from HIDHI is initially present in excess Like 0 Discuss 0Share
Chemical equilibrium 01Chemical equilibrium #Reversible Reactions35Choose the best answerFor N₂(g) + 3H₂(g) ⇌ 2NH₃(g), what does the reverse reaction represent?AFormation of NH₃ from N₂ and H₂BDecomposition of NH₃ into N₂ and H₂CFormation of N₂ from NH₃ onlyDConversion of H₂ into NH₃ Like 0 Discuss 0Share