Consider the reaction 2CO(g) + 2NO(g)2CO2(g) + N2(g) Using standard thermodynamic data at 298K, calculate the entropy change for the surroundings when 1.92 moles of CO(g) react at standard conditions.      S°surroundings =          J/K

Q: The heat of vaporization AH, of methanol (CH;OH) is 35.3 kJ/mol. Calculate th

A: If   vapourisation of methanol       CH3OH(l)     ⇔  CH3OH(g)    △Hv = 35.3 KJ/mol     then…

Q: The entropy change ΔS for a phase transition equals ΔH/T, where ΔH is the enthalpy change. Why is it…

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Q: The equation for the corrosion of iron to form iron (III) oxide (aka, rust) is: 4 Fe(s) + 3 O2(g) -à…

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Q: Consider the reaction at 298 K. 2C(graphite)+O2(g)⟶2CO(g)Δ?°=−221.0 kJ/mol Calculate the…

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Q: Here is the reaction of carbon monoxide and hydrogen to form gaseous methanol at 298 K. (a)…

A: (a) ∆S° = -219.2 J/K (b) Sign of ∆S° = -ve (c) ∆H° = -90.5 kJ (d) ∆G° = -ve ( spontaneous reaction )

Q: A chemical reaction has a enthalpy change of 171.8kJ and change in entropy of 788.3 J/K. what is the…

A: For spontaneous reaction ∆G<0 , For non-spontaneous reaction ∆G>0 Where ∆G is change in Gibbs…

Q: Consider the reaction CO(g) + Cl₂(g) CoCl₂(g) Using standard thermodynamic data at 298K, calculate…

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Q: Given ΔHrxn∘= −135 kJ, ΔS∘rxn= −263 J/K, and T= 550 K, will the reaction be spontaneous or…

A: Solution :     The change in Gibbs free energy calculated by the change in entropy, temperature, and…

Q: Consider the reaction: NH4Cl(aq) → NH3(g) + HCl(aq) Using standard thermodynamic data at 298K,…

A: We have been asked to determine the  entropy change for the surroundings when 2.42 moles of…

Q: Given ΔHrxn∘= −135 kJ, ΔS∘rxn= −263 J/K, & T= 299 K, will the reaction be spontaneous?

A: Given: ΔHrxn∘= −135 kJ ΔS∘rxn= −263 J/K T= 299 K To find: Whether the reaction is spontaneous

Q: Use the given standard molar entropies to determine ΔS°rxn for the reaction below.   N2O(g) +…

A: The given reaction and the standard molar entropies are as follows,…

Q: Without doing any calculations, determine the sign of AS and ASu for each chemical reaction. In…

A: Entropy is a unit of randomness.More the number of moles,more will be the entropy.Change in entropy…

Q: Calculate the change in entropy that occurs in the system when 1.00 mole of isopropyl alcohol…

A: Given data Number of mole of isopropyl alcohol : n = 1.00 mole Boiling point of isopropyl alcohol :…

Q: A reaction has values ΔS = 78.3 J K-1 mol-1 and ΔH = 46.5 kJ mol-1. At what temperature (in °C) will…

A: For a reaction becoming spontaneous the value of ∆G must be negative.

Q: Calculate the entropy change (in J/K) of the universe (AS universe) that takes place when phosphene…

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Q: Consider the following reaction at 298 K.   4Al(s)+3O2(g)⟶2Al2O3(s)         Δ?∘=−3351.4 kJ 4Al(s)=…

A: Entropy is the measure of a sytem's thermal energy per unit temperature. Work is obtained from…

Q: Consider the reaction2H2O(g) + 2Cl2(g) ---> 4HCl(g) + O2(g)for which H° = 114.4 kJ and S° = 128.9…

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Q: The normal boiling point of ethanol, C2H5OH, is 78.3 °C. Its molar enthalpy of vaporization is 38.56…

A: Molar heat of vaporisation of a substance is defined as the amount of heat absorbed by one mole of…

Q: Consider the reaction 6CO2(g) + 6H2O(l)C6H12O6 + 6O2(g) for which H° = 2.801×103 kJ and S° =…

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Q: The normal boiling point of ethanol, C2H5OH, is 78.3 °C,and its molar enthalpy of vaporization is…

A: Record the given data, The given boiling point Tb = 78.3oC = 351.45 K ΔH = 38.56 kJ/mol = 38560…

Q: 17) Consider the reaction: COVEA YOUT2 MANYO NH3 (g) + HCI (g) NH4C1 (s) Given the following table…

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Q: Suppose that a house and its exterior are both initially at 31 °C. Sometime after the air…

A: Spontaneous process is one which proceeds on its own and does not require any external assistance.…

Q: Calculate the entropy change for the following reactions, using the tabulated standard molar…

A: Nitrogen oxide reacts with oxygen to form nitrogen dioxide, the equation for the balanced chemical…

Q: Consider the reaction: CH,(g) + 202(g)CO2(g) + 2H2O(g) Using standard thermodynamic data at 298K,…

A: CH4 (g) + 2 O2 (g) ==> CO2 (g) + 2 H2O (g)

Q: The standard entropy for the formation of SF6(g) from the elements, S(s) + 3 F2(g) → SF6(g) is…

A: As we know, The standard entropy for a reaction can be calculated  S(s) + 3 F2(g) → SF6(g)

Q: Over what temperature range will the reaction KClO3(s) → KCl(s) + 3/2 O2(g) change from being…

A: Solution -

Q: Consider the reaction: NO(9) _H2(g) → N2(g) +. H2O) for which AS'= -551.7 J/K at 25°C. Using the…

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Q: Using the data in the table, calculate the standard entropy changes for the following reactions at…

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Q: Using the given reactions and the given molar entropy of compounds, determine whether the reaction…

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Q: Consider the reaction2HBr(g) + Cl2(g)= 2HCl(g) + Br2(g)for which H° = -81.10 kJ and S° = -1.200 J/K…

A: 1) since  S° = -1.200 J/K for the reaction of 2 moles of HBr  Hence for the reaction of 1 mole of…

Q: Without doing any calculations, determine the sign of AS and ASu for each chemical reaction. In…

A: a) Rewrite the reaction as follows 2CO(g) +02(g) → 2C02(g) The number of moles of gases decreases…

Q: Determine the standard entropy of N2(g) given the following information: N2(g) + 3H2(g) = 2NH3(g);…

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Q: H₂S(g) + 2H₂O(1)→→3H₂(g) + SO₂(g) Using standard thermodynamic data (in the Chemistry References),…

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Q: Consider the reaction: 2H2 (g) + O2(g) → 2H₂O(g) Using standard thermodynamic data at 298 K,…

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Q: At what tempature will a given process become spontaneous if ΔH= -155.2 kJ/ mol and ΔS= 102 J/molK?

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Q: A reaction has values ΔS = 60.3 J K-1 mol-1 and ΔH = 44.7 kJ mol-1. At what temperature (in °C) will…

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Q: Consider the reaction: NH4Cl(aq) → NH3(g) + HCl(aq) Using standard thermodynamic data at 298 K,…

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Q: Consider the reaction: NH4Cl(aq) →→→→NH3(g) + HCl(aq) Using standard thermodynamic data at 298K,…

A: We have been asked to determine the  entropy change for the surroundings when 1.90 moles of…

Q: 3. What change will increase the entropy of the system? Group of answer choices liquid to solid…

A: Entropy is the degree of randomness of a system. For question 3, we have to determine in which case…

Q: Consider the reaction at 25 oC: 4NO(g)2N2O(g)+O2(g) Calculate ΔGo for the system at equilibrium…

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Q: The reaction of methane with water to form carbon dioxide and hydrogen is nonspontaneous at 298 K.…

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Q: Consider the reaction: 2HBr(g) → H₂(g) + Br2 (1) Using standard thermodynamic data at 298 K,…

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Q: A certain reaction has ∆H ° = +23.7 kJ and ∆S° = +52.4 J>K. Is the reaction spontaneous at 298 K…

A: Entropy is the measure of disorderness or randomness of a system. The standard value of entropy can…

Q: Determine the standard entropy of NO(g) given the following information NO(g)+0,(g) → NO,(g) ASn =…

A: Introduction: We have to calculate the entropy for NO(g).