A) CaSO:(s) B) C(diamond) C) Xe(g) D) Cso(s) E) Br2(1)

Q: The heat of vaporization AH, of benzene (CH) is 44.3 kJ/mol. Calculate the change in entropy AS when…

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Q: Calculate the entropy of vaporization for 3 moles of water at 25 °C given that Cp, m (H2O(l)) =…

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Q: For a  process to be  spontaneous  (ΔG must be negative, ΔS must be positive, ΔH must be negative,…

A: Spontaneous reaction- A reaction said to be a spontaneous when decrease in enthalpy and increase in…

Q: Two objects A and B are initially at temperatures TA-350 K a two objects. If over a short interval…

A: According to the question, two objects A and B are initially at the temperature Ta = 350 K and Tb =…

Q: Which

A: We will choose Correct option

Q: 10) Show that it is a spontaneous process for water to boil at 110 °C.

A: When we superheat liquid water at 110°C, the nature of the reaction can be stated by following it's…

Q: For which of the following is the standard molar entropy = 0 at 298 K A. Cl2(g) B. Iron (s) C.…

A: Molar entropy for the gas is not zero at 298.15 K because this gas has some kind of randomness due…

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…

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A: For the dissociation of Br2 (g) into Br (g) at 25oC, the entropy change, ΔS, is calculated as shown…

Q: Calculate the change in molar entropy when hydrogen gas is heated from 20°C to 30°C at constant…

A: Entropy change of the system is a state function. The change in entropy is the sum of the change in…

Q: Which of the following has the largest standard molar entropy, S° (298.15 K)? О а. Н2 (g) O b. NaCI…

A: Answer  The substance in gases state has higher entropy compared to…

Q: The heat of fusion for water is 333.6 J/g. What is the entropy change for the universe when 1.00 L…

A:

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

A: Given that: Reaction = 2HBr(g) → H2(g) + Br2(l) Moles of HBr = 1.76 moles  ∆S°surrounding =?

Q: H2S (g) has more positional entropy than does O2 (g). True False

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Q: Calculate the change in entropy suffered by 2 moles of an ideal gas on being heated from a volume of…

A: Answer is explained below. Given that, moles of ideal gas = n = 2 moles. V1 = initial volume = 100…

Q: B. Given the following equations: Solve for the standard state entropy. 1. NaCl(s) → Na+ (aq) + Cl-…

A: To calculate standard state entropy  of the following reactions :  Now, from table of thermodynamic…

Q: 1 Suppose that when you exercise, you consume 100 gof glucose and that all the energy released as…

A:

Q: 1. Calculate the entropy change when 2.50 mole of sulphur dioxide gas are heated from 25 to 70 °C at…

A: S is a symbol for entropy . It is a state function.  It is a measure of  randomness of system .…

Q: What is the total change in entropy of the universe (system + surroundings) if 4.4 g of CO(g) reacts…

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Q: The density of liquid nitrogen is 810 kg/m2. Part A What is the entropy change of the nitrogen if…

A: Answer: VN2=150mL dN2=810Kg/m3dN2=0.810g/mL Since, mass is the product of volume and density,…

Q: The heat capacity at 1 atm. pressure of solid magnesium in the temperature range from 0°C to 560 °C,…

A: Since the units of T to be substituted in the Cp equation is not mentioned. Hence i'm assuming it to…

Q: What is the entropy change for the solidification of 1.00 oz. (28.3 g) of liquid gold at 1064°C? The…

A: Given,Mass of gold = 28.3 gTemperature, T = 1064°C = (1064 + 273) K =1337 KEnthalpy of fusion of Au…

Q: 7.) Determine the change of entropy of one mole of N2 gas if it was heated from 298 K to 333 K? C.…

A: Since you have asked multiple questions we will answer the first three for you. To get the remaining…

Q: Given:     H2O(l) → H2O(s)     ΔH° = –6.02 kJ at 273K Calculate the entropy change of the…

A: Given : ΔH° = –6.02 kJ (1kJ = 1000 J)  ΔH° = –6.02 x 10 3 J (1kJ = 1000 J) Temperature (T) = 0° =…

Q: 10. Calculate the free energy change for the reaction shown below at 10 degree Farenheit. 12C5 + 3…

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Q: Calculate the entropy change when two moles of water boil at 100.0 °C. The value of AH is 40.65 kJ…

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Q: Calculate the change in entropy w hen 100 g of water at 80 °c is poured into 100 g of water at 10 °c…

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Q: Calculate the entropy change for the following process: H₂O (1, 298 K, 1 bar)→ H₂O (g, 398 K, 0.8…

A: The change in entropy can be calculated as follows

Q: The entropy of potassium peroxide, (K2O2 ) is 113.1 J/K. If you have 29.76 g of K2O2 what is the…

A:

Q: Given that the molar entropy change (AS) of water at 273 K is 22.0JK¹ mol¹. What is the heat of…

A: Which one of the following is correct

Q: What is the change in entropy of 100 g of water when it is heated from room temperature (20 °C) to…

A: Entropy is the amount of heat gained per unit temperature.

Q: What is the entropy change of a gas in J/K (to 2 decimal points) when one mole of a perfect gas…

A: Given that -  Number of moles of gas = 1  Initial volume of gas = 0.36 m3  Final volume of gas =…

Q: A heat source generates heat at a rate of 71.0 W (1 W = 1 J/s). How much entropy does this produce…

A: The heat generated by the heat source is = 71.0 W = 71.0 J/s The temperature of the surrounding is =…

Q: Answer the following in not more than 3 sentences. Q. Consider the vaporization of liquid water at 1…

A: The conversion of liquid water to gaseous water is referred to as vaporization.

Q: if : Mg (g) Mg (s)  1.) What is DGrxn, when you use DGrxn  = DHrxn  –  TDSrxn, at the…

A: Hello. Since your question has multiple parts, we will solve the first question for you. If you want…

Q: (b) Further predict the sign of change in entropy with proper explanation for the following cases.…

A: Entropy is directly proportional to the randomness or disorder of the molecules And more is the…

Q: b) Further predict the sign of change in entropy with proper explanation for the following cases.…

A: Entropy is directly proportional to the randomness or disorder of the molecules And more is the…

Q: Solve the following and provide the complete solution: Calculate the change in entropy experienced…

A: In this problem we have to find the change in entropy experienced by 2 moles of an ideal gas on…

Q: The normal boiling point of ethanol is 78.3˚C, and its molar enthalpy of vaporization is 39.3…

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Q: The heat of vaporization AH, of benzene (CH) is 44.3 kJ/mol. Calculate the change in entropy AS when…

A:

Q: 5. Which of the following do you expect to have the largest molar entropy at 25 °C? a) H₂O (liq) b)…

A:

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: (a) Does the entropy of the surroundings increase for spontaneousprocesses? (b) In a particular…

A: Entropy, the measure of a system's thermal energy per unit temperature that is unavailable for doing…

Q: The ethyl alcohol vaporizes at 78 degrees Celcius, what is the change in entropy if 0.25 kg…

A: Solution - According to the question - Given - Change in entropy = ? S = ? H / T ? H = Heat change…

Q: 1. The heat of fusion for water is 333.6 J/g. What is the entropy change for the universe when 1.00…

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

A: The solution is given below -

Q: Considering entropy (S) as a thermodynamic parameter , the criterion for spontaneity of any process…

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Q: Use the picture below to calculate the entropy of mixing 6 mol N2 and 1 mol 02 when the stopcock is…

A: Answer:- This question is answered by using the simple concept of calculation of entropy change of…

Q: For each of the following pairs of substances, determine which has the larger molar entropy at 298…

A: The first given pair is Br2(l) and Cl2(g). More is the irregularity in the compound; more will be…

Q: Ethyl alcohol is burned producing carbon dioxide and water. What is the entropy change for the…

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