StoichiometryMolar Volume at STP261Choose the best answerWhat volume is occupied by 1 g O₂ at STP?A22.414 dm³B0.70 dm³C22414 cm³D0.22414 m³ Like 0 Discuss 0Share
StoichiometryStoichiometric Ratios262Choose the best answerA recipe for 16 pancakes requires 2 eggs. How many eggs are required for 48 pancakes?A2B4C6D8 Like 0 Discuss 0Share
StoichiometryBalancing Chemical Equations263Choose the best answerWhen the equation: C₄H₈ + O₂ → CO₂ + H₂O is balanced with the coefficient of C₄H₈ equal to 1, the coefficient of O₂ is:A3B4C5D6 Like 0 Discuss 0Share
StoichiometryAvogadro's Law264Choose the best answerEqual 100 mL samples of O₂, NH₃ and CO₂ are taken at the same temperature and pressure. Their numbers of molecules are:ACO₂ < O₂ < NH₃BNH₃ < CO₂ < O₂CEqualDNH₃ = CO₂ < O₂ Like 0 Discuss 0Share
StoichiometryBalancing Chemical Equations265Choose the best answerA chemical equation is balanced according to the law of:AMultiple proportionsBReciprocal proportionsCConservation of massDDefinite proportions Like 0 Discuss 0Share