UHS MDCAT 2023 ChemistryUHS MDCAT 2023 Past Paper#Thermal Equilibrium#Thermochemistry & Thermodynamics181Choose the best answerThe process of heat flow between hotter and colder gases remains continued until all the molecules have equal (UHS MDCAT 2023)AAverage translational kinetic energyBAverage rotational kinetic energyCAverage translational potential energyDAverage vibrational kinetic energy Like 0 Discuss 0Share1
Basic Concepts of ChemistryPhysical and Chemical Changes182Choose the best answerSolid → Gas directly, without becoming liquid, is called:AMeltingBBoilingCSublimationDDeposition Like 0 Discuss 0Share
Atomic StructureAufbau Principle183Choose the best answerWhich orbital is filled last among the following according to the Aufbau order?A4sB2sC3dD3p Like 0 Discuss 0Share
StoichiometryMass–Volume Stoichiometry184Choose the best answerWhat volume of O₂ at STP (273 K and 1 atm) is required to burn 16 g sulfur, and what volume of SO₂ is produced? S + O₂ → SO₂A11.2 L and 22.4 LB22.4 L and 44.8 LC44.8 L and 22.4 LD11.2 L and 11.2 L Like 0 Discuss 0Share
GasesCompressibility Factor and Negative Deviation185Choose the best answerNegative deviation from ideal behaviour, Z < 1, occurs mainly because of:ARepulsive forcesBAttractive forces between moleculesCZero molecular volumeDComplete absence of intermolecular forces Like 0 Discuss 0Share