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What is the standard enthalpy change for the fusion of 1 mole of ice to liquid water at standard conditions of temperature and pressure? (Given: Enthalpy of fusion of water = 6.01 kJ/mol and the specific heat capacity of water = 4.18 J/g*K)
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Feb 25
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Chemical thermodynamics
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TheScientist
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What is the standard enthalpy change for the fusion of 1 mole of ice at 0°C and 1 atm pressure to liquid water at 0°C and 1 atm pressure? Given that the standard enthalpy of fusion of ice is 6.01 kJ/mol.
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Feb 25
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Chemical thermodynamics
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TheScientist
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138k
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What is the standard enthalpy change for the formation of 1 mole of carbon dioxide (CO2) gas from solid elemental carbon (C) and gaseous molecular oxygen (O2) at 298 K? The relevant balanced chemical equation is: C(s) + O2(g) → CO2(g).
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Feb 25
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Chemical thermodynamics
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TheScientist
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What is the standard enthalpy change for the combustion reaction of one mole of methane gas (CH4) at standard temperature and pressure?
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Feb 25
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Chemical thermodynamics
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TheScientist
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27
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What is the standard enthalpy change for the combustion of methane gas (CH4) at 298 K and 1 atm pressure?
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Feb 25
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Physical Chemistry
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TheScientist
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What is the standard enthalpy change for the combustion of methane (CH4) gas at 298 K and 1 atm?
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Feb 25
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Physical Chemistry
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TheScientist
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What is the standard enthalpy change for the combustion of methane (CH4) at 298 K and 1 atm pressure, given that the reactants and products are in their standard states?
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Feb 25
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Chemical thermodynamics
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TheScientist
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138k
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What is the standard enthalpy change for the combustion of 1 mole of graphite (solid) in oxygen gas to form 1 mole of carbon dioxide gas at standard conditions? (Given: Standard enthalpy of formation of CO2(g) = -393.5 kJ/mol)
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Feb 25
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Chemical thermodynamics
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TheScientist
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What is the standard enthalpy change for sublimation of iodine, given that the heat of fusion of iodine is 15.4 kJ/mol and the heat of vaporization of iodine is 41 kJ/mol?
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Feb 25
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Chemical thermodynamics
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22
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What is the standard enthalpy change (ΔH°) for the sublimation of iodine (I2) at 298 K, given that the heats of fusion and vaporization of iodine are 15.5 kJ/mol and 41.7 kJ/mol respectively?
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Feb 25
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Chemical thermodynamics
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TheScientist
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35
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What is the standard enthalpy change (∆H°f) for the formation of methane gas (CH4) from its elements in their standard states at 298 K? C (s) + 2H2 (g) → CH4 (g) Given Data: ∆H°f (kJ/mol) C (s) = 0 H2 (g) = 0 CH4 (g) = -74.8
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Feb 25
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Chemical thermodynamics
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TheScientist
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138k
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1
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27
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What is the standard enthalpy change (∆H°) for the sublimation of iodine (I2) assuming ideal gas behavior at 298K?
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Feb 25
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Chemical thermodynamics
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TheScientist
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What is the standard electrode potential of the following redox reaction at 25°C?Fe2+(aq) + 2e- -> Fe(s)Given that the standard electrode potential of Fe2+(aq) is +0.44 V and the standard electrode potential of Fe(s) is 0 V.
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Feb 25
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Chemical thermodynamics
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TheScientist
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138k
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What is the standard electrode potential of the Zn/Zn2+ half-cell at 25°C if its standard reduction potential is -0.76 V?
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Feb 25
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Chemical thermodynamics
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TheScientist
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138k
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37
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What is the standard electrode potential for the reduction of Ag+ ions to Ag(s) at a temperature of 25°C, given that the standard electrode potential for the standard hydrogen electrode is 0.00 V and the standard electrode potential for Ag+/Ag is +0.80 V?
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Feb 25
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ElectroChemistry
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TheScientist
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138k
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What is the standard electrode potential for the redox reaction between copper and silver ions at 25°C and standard pressure (1 atm)?
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Feb 25
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Chemical thermodynamics
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TheScientist
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138k
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0
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26
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What is the standard electrode potential of a silver electrode (Ag) when it is dipped in a solution of silver nitrate (AgNO3) at 298 K and 1 atm pressure? The reduction half-reaction for silver is: Ag+(aq) + e- -> Ag(s).
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Feb 25
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ElectroChemistry
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TheScientist
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138k
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1
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28
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How does the interaction between nucleic acid components, including nitrogenous bases, sugar, and phosphate, affect the stability of the DNA double helix structure?
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Feb 25
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BioChemistry
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TheScientist
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35
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What is the effect of pH on the stability of silver nanoparticles in a colloidal solution?
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Feb 25
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Surface Chemistry
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138k
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What is the effect of pH on the stability of a silver nanoparticle sol in water?
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Feb 25
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Physical Chemistry
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TheScientist
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