KMU MDCAT 2024 Chemistry#Electrochemistry#Standard Hydrogen Electrode46Choose the best answerThe electrode potential of the standard hydrogen electrode is chosen as (KMU MDCAT 2024)A−1 VB0 VC1 VD2 V Like 0 Discuss 0Share
KMU MDCAT 2024 Chemistry#Percentage Yield#Stoichiometry47Choose the best answerHeating 24.8g of copper carbonate (CuCO₃) in a crucible produced only 13.9g of copper oxide (CuO). What is the percentage yield of copper oxide? (KMU MDCAT 2024)A81.79%B83.98%C86.87%D89.68% Like 0 Discuss 0Share
KMU MDCAT 2024 Chemistry#Mole Concept#Stoichiometry48Choose 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#Gases#Pressure Units49Choose the best answer760 torr is equal to ___ Pascal (KMU MDCAT 2024)A1B76C760D101325 Like 0 Discuss 0Share
KMU MDCAT 2024 Chemistry#Percentage Yield#Stoichiometry50Choose 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