Given the reaction 2 N2O4(g) -> 4NO2(g) at 293K. a) why does N2O4(g) have greater value of molar entropy than NO2(g)?

Q: Which of the following samples has the greatest entropy? Assume 1 mole of each. O C,H,OH at 60°C O…

A: Entropy is defined as degree of randomness  or disorderliness present in the molecule. HIGHER the…

Q: Given the following combustion reactions, which will have the most negative molar entropy change?…

A: answer entropy is the degree of randomness  take the gaseous atom only   a. C9H20(l) + 14 O2(g)…

Q: For ammonia (NH3), the enthalpy of fusion is 5.65 kJ/mol and the entropy of fusion is 28.9 J/K·mol.…

A: Answer- Enthalpy- Enthalpy is the amount of internal energy contained in a compound whereas entropy…

Q: 2. Calculate the entropy change, AS, for the following reactions and determine if its entropy…

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Q: Put the following gases in order of decreasing molar entropy: H20, H2O2, H2S O H2O2 = H2S > H2O %3D…

A: The following gases are to be arranged in order of decreasing molar entropy: H2O, H2O2 and H2S

Q: For each of the pairs of substances listed below, CIRCLE the substance that you expect to have the…

A: Entropy of the substance measure the degree of randomness. Entropy is represent by symbol S. Entropy…

Q: Arrange the following substances in order of increasing molar entropy at 25°C: Ne(g), SO2(g), Na(s),…

A: • The given substances is -            Ne(g) , SO2(g) , Na(s) and H2O(l)    • We need to arrange the…

Q: In which of the following reactions is entropy increasing? A. CO(g)+H2O(g)->H2(g)+CO2(g) B.…

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Q: Arrange the following substances in order of increasing molar entropy at 25°C: Ne(g), SO2(g), Na(s),…

A: Entropy is a measure of randomness of any compound. Which means the compound whose molecules move…

Q: information:         CH3OH (l) + O2 (g)  --> CO2 (g) + 2H2O (g)                Substance S°…

A: Given- S°(H2O)=232.7J/mol×K S°(CO2)=213.8J/mol×K S°(CH3OH)=126.8J/mol×K S°(O2)=205.0J/mol×K

Q: Calculate the standard entropy change for the following reactions at 25°C. Use the values of…

A: Given reaction,      2NaHCO3(s) → Na2CO3(s) + H2O(l) + CO2(g)

Q: what is the standard entropy change when 10.0 grams of methane (ch4) is combusted in 10.0 grams of…

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Q: Consider: CO(g, 198, 29.4) + 2 H2(g, 29, 28.8) → CH3OH(g, 240, 44) What is its reaction entropy at…

A: SCO = 198 J/K.mol SH2 = 29 J/K.mol SCH3OH = 240 J/K.mol  ∆Sreaction = ?

Q: In which is there a positive entropy change? A. Magnesium combusts in air to form Magnesium oxide B.…

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Q: Calculate the standard entropy change for the following reaction at 25 oC…

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Q: Acetylene, C2H2, can react with hydrogen gas to produce ethane, C2H6: C2H2(g) + 2H2(g) → C2H6(g)…

A: The balanced chemical equation for the formation of ethane from acetylene is: C2H2(g) + 2H2(g) →…

Q: For each pair of substances, choose the one that you expect to have the higher standard molar…

A: Since you have asked a question having multiple parts, we are solving first three parts for you. For…

Q: Chlorofluorocarbons (CFCS) are no longer used as refrigerants because they catalyze the…

A: Given: Heat of vaporization = 24.8 KJ/mol. And boiling point temperature = 23.8 oC

Q: How many of the following processes below exhibit a positive entropy change? I.    methane (g)  +…

A: Welcome to bartleby !  Introduction :  We have to tell reaction in which entropy change is positive…

Q: Which of the following is arranged in order of decreasing standard molar entropy at 25°C? O HCIO4(1)…

A: Entropy :-  Entropy is a measure of randomness of particles in a system If particles move randomly…

Q: ch the words in the left column to the appropriate blanks in the sentences on the right. Reset Help…

A: The explanation is given below-

Q: Which of the following is arranged in order of increasing standard molar entropy at 25°C? O HF(g) <…

A: Standard molar entropy is defined as the entropy or degree of randomness of one mole of a sample…

Q: Rank each set of substances in order of increasing standard molar entropy (S°). Explain your…

A: a. The given set of substances are NH3(g), Ne(g), SO2(g), CH3CH2OH(g), He(g) The molar entropy of…

Q: Describe the spontaneity and entropy of the processes. Formation of CO2 and H2O through the…

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Q: Using the entropy values in the table below, what is the change in standard entropy, AS, for the…

A: We would use given standard entropy values of species in involved in reaction to calculate entropy…

Q: Determine the entropy change for the this reaction. CaC2(s) + 2H2O(l) ---> C2H2(g)  + Ca(OH)2(s)…

A: Given data,SoCaC2=70.0J/K.molSoH2O=69.9J/K.molSoC2H2=200.8J/K.molSoCa(OH)2=83.4J/K.mol

Q: Calculate the value of S° for the reaction shown: 2 NH3(g)  N2(g) + 3 H2(g) At 25°C the values of…

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Q: Which substance will have the highest molar entropy at 25oC?   A. C4H10(g)   B. CO2(s)   C.…

A: Solution: We know that, Molar mass of gas is directly proportional to absolute entropy. In above…

Q: Isomers are molecules that have the same chemical formulabut different arrangements of atoms, as…

A: a.

Q: Describe the spontaneity and solve entropy of the processes. Sublimation of naphthalene balls as…

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Q: What is the value of the entropy of lithium bromide solid at 25℃? Select one: a. – 384 kJ/mol b.…

A: Entropy denotes the randomness of particles

Q: The value of AHtransition of C(graphite)-C(diamond) is 1.9 kJ/mol at 25 °C. Entropy of graphite is…

A:

Q: identify its spontaneity.  4 Al(s) + 3 O2(g)  >  2 Al2O3(g) Substance Al(s) O2(g) Al2O3(g) S°…

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Q: 15.) Determine the change in entropy of the reaction: SO2 (g) + H202 (1) H2SO4 (1). The standard…

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Q: Which of the following compounds has the highest molar entropy (all are gases): NO, N2O4, NO2, N2?…

A: Entropy is the measure of randomness.

Q: Arrange these compounds in order of increasing standard molar entropy at 25°C: C3H8(g), C2H4(g),…

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Q: The value of delta S (entropy) for the reaction Br2 (g) + Cl2(g) > 2BrCl(g) is 11J/K. Given that S…

A: ∆SReaction = ∆SProducts - ∆SReactants ∆SReaction = Entropy of the reaction = 112J/K for 1 mole of…

Q: Consider: CO(g, 198, 29.4) + 2 H2(g, 29, 28.8) → CH3OH(g, 240, 44) What is its reaction entropy at…

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Q: Calculate the standard molar entropy change at 25 °C for the reaction CO(g) + H2O(g) --> CO2(g) +…

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Q: The reaction in (C --&gt; B + A) is favorable at low temperatures only and the reaction in  (B + 2C…

A: The entropy change shows the increase or decrease in randomness. During melting, the phase change is…

Q: 2. Calculate the entropy change, AS', for the following reactions and determine if its entropy…

A: The answer is given-:

Q: Consider the following combustion reaction: C3H8(g) + 5O2(g) --> 3CO2(g) + 4H2O(g) ∆Hrxn = -2044 kJ…

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Q: Arrange the following substances in order of increasing molar entropy at 25°C: Ne(g), SO2(g), Na(s),…

A: Entropy is a measurement of randomness or irregularities present in the system.  Here we see that…

Q: For each of the following reactions, predict if the entropy of the system will increase, decrease,…

A: Entropy :-  It is a thermodynamic property which is a measure of randomness or disorderness present…

Q: 5. Which of the following gaseous substances possesses the largest molar entropy?    Group of answer…

A: The solution is given below -

Q: For each pair of substances, choose the one that you expect to have the higher standard molar…

A: Entropy is the measure of randomness.  Greater is the disorder in the substance, higher will be the…

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: 4) Melting point of zinc is 425°C. Standard entropy of zinc at 25°C is 40 J/molK. What is the change…

A: Change in entropy of zinc from 25°C to 725°Ccan be calculated in three cycles and in end all the…

Q: What is the molar change in entropy of tetrachlorosilane when it boils at 57.65°C given that AHvap =…

A: Given: Temperature (T) = 57.65°C  Or T = 57.65 + 273.15 K = 330.8 K And ∆Hvap = 28.7 kJ/mol Or ∆Hvap…

Q: What is the entropy when 1.13 moles of CCl₂F₂ vaporize at 25°C? [∆H(vap) = 17.2 kJ/mol at 25°C]

A: The moles of CCl2F2 is = 1.13 moles The temperature of vaporization is = 25oC = 25oC+273.15 = 298.15…