The following reactions take place at 25 °C and 1 atm. Calculate the entropy change for urrounding. ASqurr-| a CH(g) +50:(g) - 3 CO (g) + 4 H,0) AH = -2221 kJ b. 2 NO,(g) - 2 NO (g) +0,(g) AH = 112 kJ

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

A:

Q: A reaction has ΔH∘rxn= -134 kJ and ΔS∘rxn= 320 J/K.  At what temperature is the change in entropy…

A: Given: -ΔH°rxn = -134 KJΔS°rxn = 320 J/KIf everything is carried out at a constant temperature and…

Q: Consider the following reaction: 2 NO(g)  N2(g) + O2(g) The enthalpy change at 298 K for this…

A: The given equilibrium reaction is  2 NO(g) ---------->  N2(g) + O2(g) The enthalpy change at 298…

Q: Indicate whether each statement is true or false. (a) The entropy of the universe increases for any…

A: (a) The spontaneous process is a process that starts on its own without any external effort.…

Q: 2 H2(g) + O2(g) → 2 H2O(l) HCl(g) → H+(aq) + Cl-(aq) Na(s) + 1/2 Cl2(g) → NaCl(s) What is right?…

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Q: Two systems, each composed of two particles represented by circles, have 20 J of total energy. Which…

A: The system which has greater entropy has to be given and the reason has to be explained.

Q: The element mercury, Hg, is a silvery liquid at room temperature.  The normal freeing point of…

A: In this question, we want to determine the ∆S value means entropy change in J/K unit. You can see…

Q: Consider the combustion of propane gas:C3H8(g) + 5 O2(g)---------->3 CO2(g) + 4 H2O(g) ΔHrxn =…

A: The reaction of combustion of propane

Q: Calculate the change in entropy that occurs in the system when 45.0 g of acetone (C3H6O) freezes at…

A: The given mass of acetone = 45.0 g The molar mass of acetone = 58.08 g/mol The moles of acetone are…

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: Given the reaction:  CaCO3(s)  ??  CaO(s)  +  CO2(g), the entropy (ΔS) change for this reaction is…

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Q: Hexafluorobenzene (C6F6) has an enthalpy of vaporization of 31.7 kJ/mol at its boiling point…

A: Given  Enthalpy of vaporization ( ∆Hvap) = 31.7 KJ/mole 1 KJ       = 1000 Joule  31.7 KJ  = 31.7 ×…

Q: Is the following reaction spontaneous at room temperature (25.0 °C) ? 2 H2S(g) + 3 O2(g) 2 SO2(g) +…

A: Interpretation: The given reaction is spontaneous at room temperature or not is to be determined. At…

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

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Q: For each of the following, predict whether the entropy of the system change will be positive or…

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Q: Consider the reaction of 7 mol H2(9) at 25°C and 1 atm with 7 mol Br2 (1) at the same temperature…

A: Given: 7H2(g)+7Br2(g)→14HBr(g) Temperature = 298 K ∆Go HBr = -53.5 kJ/mol

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

A: Entropy is the property of the system which measures the degree of disorder or randomness in the…

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: What is the change in entropy when 0.600 g of water decomposes to form hydrogen gas and oxygen gas…

A: Given, 2H2O(l) ----> 2H2(g) + O2(g); Delta S° = 326.3 J/K at 298 K

Q: What is the total entropy change when 1.50 mol of water (ΔHfus = 6.01 kJ/mol) freezes at 0.0 °C in a…

A: To calculate the total entropy change when water freezes, we need to consider the entropy change…

Q: Consider the reaction between nitrogen and oxygen gas to form dinitrogen monoxide:2 N2(g) +…

A: (a) Given data contains, The enthalpy of reaction is +163.2kJ. Temperature is…

Q: Steam is condensed at 100 ‰, and the water is cooled to 0 ‰and frozen to ice. What is the molar…

A: Entropy change is given by ∆S=∆H/T ,where ∆H is change in enthalpy and T is temperature.

Q: A 870-g quantity of a substance is at its melting point of -117.9°C in the liquid state. The heat of…

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Q: Acetone, CH; COCH3 , boils at 56°C. The heat of vaporization of acetone at this temperature is 29.1…

A: Given: Boiling point temperature= 56 C=329.15 K Heat of vaporization= 29.1 kJ/mol

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

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Q: Calculate the change of the entropy of the system in J/K for the following phase transition:…

A: Given data -  Mass of methanol = 64.1 g  Molar mass of methanol = 32.04 gmol-1   Enthalpy of…

Q: Calculate the change in entropy that occurs in the system when 45.0 g of acetone (C3HO) freezes at…

A: For this we have to use the formula: △S=△HfusionTWhere;△S= Change in entropy△Hfusion= Std. enthalpy…

Q: A Fine Mess No matter how careful you are, your room always becomes messy. It's not Tthink I've had…

A: Answer 1] The products have higher entropy than the reactant  The given reaction  2C2H6(g) +…

Q: Consider the combustion of propane gas:  C3H8(g)    +     5O2(g)           ------>           3CO2(g)…

A: we have to determine the sign of entropy change for the reaction

Q: The enthalpy of vaporization for bromine (Br2) is 184.3 kJ/kg, and its boiling point is 59.3°C. What…

A: Entropy is the degree of randomness or disorderness.   Equation for change in entropy ( ΔS) is,…

Q: What is the entropy change

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Q: The freezing point of methanol (CH3OH) is -97.8 °C. The enthalpy of fusion is 3.16 kJ/mol. Calculate…

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Q: Acetic acid, CH3COOH, freezes at 16.6°C. The heat of fusion,
Hfus, is 69.0 J/g. What is the change…

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Q: A reaction has AH = -112 kJ and ASan = 354 J/K. At what temperature is the change in entropy for the…

A: The given data contains, ∆H°reaction=-112 kJ∆S°reaction=354 J/K

Q: Calculate the entropy (in J/K) change when 186.8 g of liquid cyclohexane, C6H12, freezes at 6.47°C.…

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Q: What is the standard molar entropy change of the following reaction? 8 NH3(g) + 10 O2(g) → 8 NO(g)…

A: Entropy is a measure of the randomness of the system. The entropy change in a chemical reaction can…

Q: Calculate the standard molar entropy change for the conversion of nitrogen monoxide to nitrogen…

A: 2 NO + O2 ==> 2NO2

Q: Calculate the change in entropy

A:

Q: A(g) All 40.89 kJ/mol Calculate the entropy of vaporization, A.Sap for A(1) at 25.0 °C given that…

A: Enthalpy of vaporization at 72.41 C = ∆Hvap = 40.89 kJ/mol = 40.89 x 1000 = 40890 J/mol  boiling…

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).