StoichiometryAvogadro's Law1Choose the best answerWhich pair contains equal numbers of molecules?A1 g H₂ and 44 g CO₂B1 dm³ O₂ and 1 dm³ N₂ at the same temperature and pressureC1 mol H₂ and 0.5 mol HeDAll of these Like 0 Discuss 0Share
StoichiometryAvogadro's Law2Choose the best answerEqual volumes of different gases are compared at the same temperature and pressure. Which sample contains the least number of molecules?A10 mL H₂B15 mL CH₄C20 mL SO₂D25 mL O₂ Like 0 Discuss 0Share
StoichiometryAvogadro's Law3Choose 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
StoichiometryAvogadro's Law4Choose the best answerWhich gaseous samples occupy the same volume at the same temperature and pressure?A1 mol CO and 1 mol N₂B1 mol O₂ and 1 mol N₂C1 mol CO and 1 mol CO₂DAll of these Like 0 Discuss 0Share