StoichiometryMole–Volume Stoichiometry106Choose the best answer0.25 mol N₂ reacts with excess H₂: N₂ + 3H₂ → 2NH₃ The volumes of H₂ consumed and NH₃ produced at STP (273 K and 1 atm) are respectively:A16.8 L and 11.2 LB33.6 L and 11.2 LC11.2 L and 2.8 LD22.4 L and 5.6 L Like 0 Discuss 0Share
StoichiometryLimiting Reagent107Choose the best answerEach sandwich requires 2 slices of bread and 1 shami. If 20 bread slices and 8 shamies are available, the limiting ingredient is:AShamiesBSandwichesCBread slicesDNone of these Like 0 Discuss 0Share
StoichiometryMole Concept and Number of Atoms108Choose the best answerThe number of carbon atoms in 6 mg graphite is approximately:A3.01 × 10²³B6.02 × 10²³C3.01 × 10²⁰D6.02 × 10²⁴ Like 0 Discuss 0Share
Stoichiometry#Atomic Structure#Isotopes109Choose the best answerWhich isotope-count pairing is incorrect?ATin – 10BCadmium – 6CPalladium – 6DNickel – 5 Like 0 Discuss 0Share
StoichiometryPrinciples of Stoichiometry110Choose the best answerWhich is NOT a valid assumption used in ideal stoichiometric calculations?ANo side reaction occursBReactants are completely converted according to the given reactionCTotal moles of products must equal total moles of reactantsDThe chemical equation is balanced Like 0 Discuss 0Share