StoichiometryMole Concept and Number of Atoms1341Choose the best answer0.5 mol H₂O contains:A0.5 mol H atomsB22.4 dm³ OCNA H atomsD2 mol atoms Like 0 Discuss 0Share
BasicsStoichiometry #Mole Concept1342Choose the best answerA sample contains 1.204 × 10²⁴ CO₂ molecules. How many moles of CO₂ are present?A0.5 molB1.0 molC2.0 molD4.0 mol Like 0 Discuss 0Share
Fundamental Principles of Organic ChemistryFunctional Isomerism1343Choose the best answerWhich pair has the same molecular formula but different functional groups?APropanal and propanoneBEthanol and dimethyl etherCEthanoic acid and methyl methanoateDAll of these Like 0 Discuss 0Share
Chemical equilibrium 01Chemical equilibrium #Kc1344Choose the best answerA very large value of Kc shows that, at equilibrium, the reaction is:APredominantly reverseBVirtually complete in the forward directionCAt equilibrium with equal reactant and product concentrationsDUnable to proceed Like 0 Discuss 0Share
SolidsCovalent-Network Solids1345Choose the best answerWhich of the following is a covalent-network crystal?ASiBNaFCAlDAr Like 0 Discuss 0Share