what is the standard entropy change when 10.0 grams of methane (ch4) is combusted in 10.0 grams of oxygen? (remember that combustion is the process of burning in the presence of oxygen gas to produce carbon dioxide and water) substance standard entropy (j/mol) ch4 (g) 186.2 o2 (g) 205 h2o (l) 70.0 co2 (g) 213.6

Q: Chloroform, CHCl3, is a solvent and has been used as an anesthetic. The heat of vaporization of…

A: Given: No. of Moles=2.91 mol Boiling point=61.2+237.15K=334.35K The heat of vaporization= 29.6…

Q: The heat of vaporization of carbon disulfide, CS2, at 25°C is 27.2 kJ/mol. What is the entropy…

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Q: Calculate the entropy change for each of the following reactions. In each case, account for the sign…

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Q: 9. Argon (Ar) amounting to 80 grammes expands isobarically (P = const) %3D until its volume doubles.…

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Q: Which one of the following processes would produce a decrease in the entropy of the system? a.…

A: We have given that  Which one of the following processes would produce a decrease in the entropy of…

Q: Which of the following is in the correct order of standard state entropy? I. NaCI(aq) < NaCI(s) II.…

A: Whenever the solute is dissolved in the water, the entropy increases. Thus, I is not the correct…

Q: Calculate the standard entropy change for the following reaction, 2 SO2(g) + O2(g) →2 SO3(g) given…

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Q: AS° for the reaction shown is equal to -667.8 (J/mol-K). Use the information given in the table to…

A: Given,

Q: For the reaction 2 H,(g) + 0,(g) → 2 H,O(g), which equation would be used to determine the entropy…

A: We have given that Reaction :                2H2(g) + O2(g)    →   2 H2O(g)      H2(g) = A…

Q: The molar heats of fusion and vaporization of ethanol are 7.61 and 26.0 kJ/mol, respectively.…

A: Given Data : Molar heats of fusion ethanol ,                  Q 1   = 7.61 kJ /mol Molar heat…

Q: Calcium carbonate is the major component in limestone. Limestone is one of the prominent rocks in…

A: CaCO3(s) .....&gt; CaO(s) + CO2(g) dS° = summation of (entropy of product - entropy of reactant)

Q: А. 2 H, (g) + 0,(g) 2 H,O(1) The entropy, ASixn, mol Angas has little or no change. decreases.…

A: The Δngas of any reaction is defined as, =&gt; Δngas = sum of number of gaseous molecules in product…

Q: Calculate the change in entropy of a constant-pressure 10.5 sample of neon when the temperature is…

A: Given No of moles =10.5Final Temperature =T2 = 30.0 °C = (30+273.15) K =303.15 KInitial Temperature…

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

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Q: Which of the following result(s) in an increase in the entropy of the system? 1. condensation of a…

A: Entropy of any substance is the measure of randomness in motion of that substance. Hence more is the…

Q: Chloroform, CHCl3, is a solvent and has been used as an anesthetic. The heat of vaporization of…

A:

Q: For each of the following reactions, predict the sign of the entropy change (∆S) . Justify your…

A: 1. The balanced equation shows the formation of two moles of sulfur trioxide when two moles of…

Q: Use the following information to find entropy of the vaporization of Sn (tin). The boiling point…

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Q: Entropy Change Suppose we have 1.50kg of water at a temperature of 0 degree Celsius. We put the…

A: Mass of water = 1.50kg or 1500 g  Temperature = 0°C or 273.15 K

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: 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: Calculate the standard entropy change ΔS° for the following reaction, using the tabulated standard…

A: Consider the given reaction is as follows; N2 g + 3 H2 g → 2 NH3 g Given information is as follows;…

Q: g_2021 [References] Chloroform, CHC13, is a solvent and has been used as an anesthetic. The heat of…

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Q: C. C,H,(g) + 30,(g) · 2 CO,(g) + 2 H,0(1) The entropy, ASxn, mol Angas increases. decreases. has…

A: Calculate change in mole and sign of entropy --

Q: Calculate the entropy change (∆SRXN) in J/K that occurs when one mole of solid iron (III) oxide is…

A: Given,  The unbalanced chemical equation for the process is: Fe (s) + H2O (g) --&gt; Fe2O3 (s) + H2…

Q: Which substance has the higher entropy?(a) dry ice (solid CO2) at −78 °C or CO2(g) at 0 °C(b) liquid…

A: The substance which has higher entropy has to be predicted.

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…

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Q: To purify mercury, it is vacuum distilled at 0.02 atm. What is the new boiling point if under normal…

A: Entropy of Vaporization is defined as the increase in entropy of liquid as it is converted to…

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: 14. Shown is the formation of iron oxide (rust!). Calculate the entropy of the reaction, AS…

A: Given -&gt; 4Fe(s) + 3O2(g) ----&gt; 2Fe2O3(s)

Q: For each process predict the sign of the entropy change taking place. A. Solid sugar is added to…

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Q: Predict the sign of the entropy change of the system for each of the following reactions: (a) N2(g)…

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Q: ?Which of the following has a negative entropy change Al(s) + 3/2 H2(g) + 3/2 02(g) .4AI(OH)3(g) O…

A: We know that, Change is entropy is negative when number of gaseous product is less than that of…

Q: Use the given standard entropy values to calculate the standard entropy change to convert hydrogen…

A: Given data Reaction : 4 HCl (g) + O2 (g) → 2 Cl2 (g) + 2 H2O (g) Standard molar entropy:…

Q: Chloroform, CHCl3, is a solvent and has been used as an anesthetic. The heat of vaporization of…

A: The entropy change (in J/K) is to be calculated.

Q: Which of the following statements concerning entropy change is/are true? 1. For a reversible…

A: For a reversible process, ∆S = 0  So, 1 is incorrect.

Q: 7.Which of the following processes as written has a ΔSsyst < 0 ? Group of answer choices A, H2O (s)…

A: Hi, since you have asked multiple questions, we will solve the first question for you. If you want…

Q: The following entropy values are for carbon tetrachloride (liquid and vapor):       For CCl4(l), So…

A: Given  Boiling point   = 76.72 ℃                         = (76.72 + 273)                        =…

Q: The heat of vaporization of carbon disulfide, CS2, at 25°C is 27.2 kJ/mol. What is the entropy…

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Q: C,H, (g) + 30,(g) - 2 CO,(g) + 2 H,O(1) С. The entropy, ASixn, mol Angas increases. decreases. O has…

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

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Q: Calculate the change in entropy that occurs in the system when 21.0 g of diethyl ether condenses…

A: Entropy is the measurement of the randomness of the particles of the difference systems. Gases have…

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: 3. Which substance has the higher entropy?  i) Pure alumina Al2O3 (s), OR ruby  ii) one mole of…

A: Hi, since you have posted multiple questions, we will answer the very first question. Kindly repost…

Q: Chloroform, CHCl3, is a solvent and has been used as an anesthetic. The heat of vaporization of…

A: First calculate the heat of vaporization for 1.30 mol chloroform at its boiling point.

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 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…

Q: Determine the sign of entropy change (+∆S or -∆S) a. 2KClO3(s) → 2KCl(s) + 3O2(g) b. N2O4(g) →…

A: The entropy (S) is determined on the basis of the phase transition of the reacting species. The…