MDCAT Chemistry Past Paper 2023#Atomic Structure#Proton Mass1016Choose the best answerWhat's the mass of one proton? (MDCAT 2023)AEqual to 1836 electronsBEqual to a positronCEqual to an electronDEqual to 1836 neutrons Like 0 Discuss 0Share
StoichiometryIntroduction to Stoichiometry1017Choose the best answerStoichiometry primarily deals with:AHeat changes in reactionsBQuantitative relationships between reactants and productsCRates of reactionsDTypes of chemical bonds Like 1 Discuss 0Share
StoichiometryPrinciples of Stoichiometry1018Choose the best answerWhich statement is NOT consistent with ideal stoichiometric calculations?AThe intended reaction proceeds according to the stated equationBThe chemical equation must be balancedCSide-product formation is neglected unless specifiedDProducts should not follow stoichiometric relationships Like 3 Discuss 0Share
UHS MDCAT 2025 Chemistryuhs mdcat chemistry 2025#First Law of Thermodynamics#Thermochemistry & Thermodynamics1019Choose the best answerIf 100 kJ of heat is absorbed by the system and 40 kJ of work is done on the system what is the change of internal energy?A-60 kJB+60 kJC-140 kJD+140 kJ Like 0 Discuss 0Share
Fundamental Principles of Organic ChemistryCommon Names of Aromatic Compounds1020Choose the best answerXylene is the common name for:AEthylbenzeneBDimethylbenzeneCTrimethylbenzeneDTetramethylbenzene Like 0 Discuss 0Share