StoichiometryCombustion analysis6Choose the best answerWhich method is commonly used to analyze organic compounds containing C, H and O?ADecompositionBHydrogenationCCombustionDReduction Like 0 Discuss 0Share
StoichiometryMolar Volume at STP7Choose the best answerAn 8 g sample of O₂ occupies what volume at STP (273 K and 1 atm)?A22.4 dm³B11.2 dm³C5.6 dm³D2.8 dm³ Like 0 Discuss 0Share
StoichiometryVapour Density and Molar Mass8Choose the best answerAt STP, 5.6 L of a gas weighs 8 g. Its vapour density relative to H₂ is:A32B16C8D4 Like 0 Discuss 0Share
StoichiometryMolar Volume and Number of Moles9Choose the best answerWhich sample contains the greatest number of moles?A11.2 dm³ H₂ at STPB44.8 dm³ N₂ at STPC67.2 dm³ CO₂ at STPD22.4 dm³ O₂ at STP Like 0 Discuss 0Share
StoichiometryMole Concept and Number of Atoms10Choose the best answerWhich sample contains the same number of atoms as 20 g Ca?A16 g SB32 g OC39 g KD48 g Mg Like 0 Discuss 0Share