StoichiometryMole Concept and Number of Atoms911Choose the best answerWhich sample contains the greatest number of oxygen atoms?A1 g OB1 g O₂C1 g O₃DAll contain the same number Like 0 Discuss 0Share
UHS MDCAT 2025 Chemistryuhs mdcat chemistry 2025#Nomenclature of Organic Compounds#Organic Nomenclature912Choose the best answerIUPAC name of (CH₃)₃CCH₂Br is:A1-bromopentaneB1-bromo-2,2,2-trimethylethaneC1-bromo-2,2-dimethylpropaneD2-bromopentane Like 0 Discuss 0Share
UHS MDCAT 2025 Chemistryuhs mdcat chemistry 2025#Percentage Yield#Stoichiometry913Choose the best answerA chemical reaction has a theoretical yield of 25 g, but only 20 g of product was obtained, What is the percentage yield of the reaction?A20%B25%C45%D80% Like 3 Discuss 3Share
XIIMDCAT Chemistry Test#Nomenclature of Organic Compounds#Organic Nomenclature914Choose the best answerWhat is the correct IUPAC name of HC≡C–CO–CH₃?ABut-1-yn-2-oneBBut-2-yn-3-oneCBut-1-yn-3-oneDBut-3-yn-2-one Like 0 Discuss 0Share
Atomic StructurePrincipal Quantum Number and Orbital Size915Choose the best answerIn which principal shell is an electron, on average, farthest from the nucleus?An = 2Bn = 5Cn = 1Dn = 3 Like 0 Discuss 0Share