Determine the entropy difference between solid and liquid states for a substance melting at 100 °C and having a heat of fusion of 10 kJ mol–1

Q: Without doing any calculations, match the following thermodynamic properties with their appropriate…

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Q: What is that the entropy change of the universe (J/mol-K) when the entropy change of the system is…

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Q: Calculate  ΔH⁰298   (in kJ) for the process P(s) + 5/2 Cl2(g) → PCl5(g) from the following…

A: Given,

Q: How Gibbs free energy is determined by the volume of the substance ?

A: To find: relation between Gibbs free energy and volume?

Q: A liquid at 10.0 °C exhibits a vapor pressure of 0.535 atm. When heated to 50.0 ° C, the vapor…

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Q: The enthalpy of vaporization of chlorine at the standard (1 atm) boiling point (284 K) is 20.41…

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Q: SCl4(g) + 2 O2(g) ΔHo = 40.2 kJ/mol and ΔSo = 132.3 J/K.mol. What is the equilibrium constant for…

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Q: The Δ?vapΔHvap of a certain compound is 21.71 kJ·mol−121.71 kJ·mol−1 and its Δ?vapΔSvap is 58.38…

A: Given, ∆Hvap=21.71 kjmol∆Svap=58.38 jmol K

Q: The evaporation enthalpy of benzene C6H6 is 394.0 J / g at the normal boiling point which is 80.10…

A: Given : Enthalpy of vaporisation of benzene = 394.0 J/g Boiling point temperature = 80.10 oC And…

Q: Given that: ΔHof [NO2(g)] = +34.0 kJ mol−1 ΔHof [NO(g)] = +90.0 kJ mol−1 What is the standard…

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Q: 1. The vapor pressure of a liquid doubles when the temperature is raised from 85.0 to 95.0°C. The…

A: Vapour pressure of the liquid is defined as the pressure exerted by the vapours of liquid on the…

Q: Predict whether the entropy change of the system in 2 H2 (g) + O2 (g) —> 2 H2O (l) is positive or…

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Q: A 0.502 g sample of liquid C6H12 was combusted using excess oxygen gas inside a bomb calorimeter,…

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Q: An office worker claims that a cup of cold coffee on his table warmed up to 80°C by picking up…

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Q: The standard enthalpy of formation of gaseous H2O at 298 K is -241.82 kJ/mol. What is the ΔH at 373…

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Q: Calculate the standard molar entropy of vaporization of water at 57.0 °C, given that its standard…

A: Given , Vaporisation of water .

Q: Calculate ΔHΔH for the reaction B2H6 (g) +  6 Cl2 (g) ⟶⟶ 2 BCl3 (g) + 6 HCl (g) from the following…

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Q: When 2.18 g of copper(II) chloride (CuCl2) is dissolved in 119 g of water in a styrofoam calorimeter…

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Q: The element gallium (Ga) freezes at 29.8 °C, and its molar enthalpy of fusion is ∆Hfus = 5.59…

A: Entropy Entropy is a measure of degree of disorder or randomness of atoms , molecules of a system.…

Q: Mg(s)  +  2HCl(aq) → MgCl2(aq)  +  H2(g) The temperature increases from 23.00 to 33.10 °C as a…

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Q: mmHg kJ mol The boiling point of ethanol is 78.24 °C and the standard enthalpy of formation of…

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Q: A certain liquid has a vapor pressure of 92.0 Torr92.0 Torr at 23.0 ∘C23.0 ∘C and 335.0 Torr335.0…

A: The delta H vaporization of pure liquid is calculated using Clausius-Clapeyron equation.

Q: Consider a process in which the entropy of a system increases by 105 J K−1 and the entropy of the…

A: Given information,    The entropy of a system increases by 105 J K−1    The entropy of the…

Q: The Δ?vapΔHvap of a certain compound is 42.97 kJ·mol−142.97 kJ·mol−1 and its Δ?vapΔSvap is 76.35…

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Q: When 4.20 g of solid NH4NO3 dissolves in 50.0 g of water at 26.8°C in a calorimeter, the temperature…

A: The heat of a substance is given as:

Q: Calculate ΔH for this reaction N2H4 (l) + O2 (g) → N2 (g) + 2H2O (l) given the following data:…

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Q: Consider a process in which the entropy of a system increases by 125 J K−1 and the entropy of the…

A: Entropy change of the universe is the summation of entropy change of the system and entropy change…

Q: (d) What is the sign of the standard reaction ENTROPY? Does the entropy provide a favorable or…

A: The equilibrium reaction given is, =>

Q: Diethyl ether (CH3CH2OCH2CH3) was one of the first chemicals used as an anesthetic. At 34.6°C,…

A: Given. the vapour pressure of diethyl ether at  34.6°C = 760 atm the vapour pressure of diethyl…

Q: Combustion of glucose (C6H12O6) is the main source of energy for animal cells: C6H12O6(s)+  6O2(g)→…

A: The given combustion reaction is - During the combustion of 1 mole of glucose, 2872 kJ energy is…

Q: What is the he entropy change of the universe (J/mol-K) when the entropy change of the system is…

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Q: Consider these two reactions: Reaction 1: 20F2(g) O2(g) + 2 F2(g) ΔΗ-49.4 k Reaction 2: N2(8) +…

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Q: Consider the Gibbs free energy change for the conversion of glucose to fructose that occurs during…

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Q: NO3KNO3 is dissolved in 229 g of water at 23.00 °C.   KNO3(s)−→−−H2OK+(aq)+NO−3(aq)   The…

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Q: A 0.588 g sample of liquid C5H12 was combusted using excess oxygen gas inside a bomb calorimeter,…

A: Explanation The heat of reaction, ΔrU is  calculated as: ΔrU = ΔU / n Where ΔU is the change in…

Q: The normal boiling point of benzene is 80 °C. At 100 °C and 1 atm, which term isgreater in magnitude…

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Q: the partial pressure of N2 is 2.95 x 105 Pa and the partial pressure of Ne is 2.50 x 105 Pa in a…

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