Sindh MDCAT 2020 Chemistry#Mole Concept#Stoichiometry301Choose the best answerIn a vessel, 10 g N₂, 10 g H₂ and 10 g O₂ are present. Which one will have least number of atoms? (Sindh MDCAT 2020)AH₂BN₂CO₂DBoth N₂ & H₂ Like 0 Discuss 0Share
MDCAT Chemistry Paper 2025#Limiting Reagent#Stoichiometry302Choose the best answer50g of Mg is burnt with 32g of oxygen to form MgO, amount of excess reagent left is? (IBA MDCAT 2025)A6g MgB2g MgC8g O₂D16g O₂ Like 0 Discuss 0Share
UHS MDCAT 2024 Chemistry#Mole Concept#Stoichiometry303Choose the best answerNo individual atom in the sample of 1 mole of Neon has a mass of 20.18 a.m.u. because it is:AOverall mass of an isobarBIt is a fractional massCIt is molar mass of NeDAverage atomic mass of Ne Like 0 Discuss 0Share
KMU MDCAT 2024 Chemistry#Mole Concept#Stoichiometry304Choose the best answerWhen 1 mole of ice melts at 0°C and constant pressure of 1 atmosphere, 6025 J of heat is absorbed by the system. The molar volume of ice and water are 0.020 and 0.018 dm³, respectively. Calculate ΔE. (1 dm³·atm = 101.33 J) (KMU MDCAT 2024)A6010.20 JB6015.20 JC6020.20 JD6025.20 J Like 0 Discuss 0Share
KMU MDCAT 2024 Chemistry#Percentage Yield#Stoichiometry305Choose the best answerWhen 4 g of magnesium was heated in excess of oxygen. Calculate the theoretical yield of magnesium oxide (MgO). (KMU MDCAT 2024)A3.7gB4.2gC5.4gD6.6g Like 0 Discuss 0Share