A sample consisting of 2mol of the neongas is expanded isothermally and reversibly from 50 L to 150 at 50°C.A) Calculate how entropy changes for gas (ΔSgas), for surrounding (ΔSsurr) and total changes of entropy of universe (ΔStot). B) Calculate ΔG for gas as a result of this process.

Q: Calculate the entropy change of the system when a system expands at a constant temperature of 311 K…

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Q: The normal boiling point of Br2(l) is 58.8 ∘C, and it'smolar enthalpy of vapor Calculate the value…

A: The molar enthalpy of vaporization is 29.6 kJ/mol Temperature = 58.8 + 273 = 331.8 K

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A: The question is based on the concept of chemical thermodynamics. we need to calculate Gibbs free…

Q: Consider the following chemical reaction:   C6H6(l) + O2(g) --------------> CO2(g) + H2O(g)…

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Q: For the following reaction (the detonation of nitroglycerin), is it spontaneous under standard…

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Q: A 1.000 mol sample of ideal gas, initially at 0.9000 atm and 310.0 K, is taken to 1.100 atm and 500…

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Q: Three moles of N2(g), originally at 0.25 atm pressure, are mixed isothermally with 5 moles of H2(g),…

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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: Consider the reaction: 4HCl(g) + O2(g) → 2H₂O(g) + 2Cl₂ (g) Using standard thermodynamic data at 298…

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Q: What is the ΔS of 5 moles CO2 (g) heated at constant volume from 100 °C to 400 °C? The Cp,m of CO2…

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Q: At what temperature (K) does a reaction becomes spontaneous when ΔS = -382 J/mol-K and ΔH = -182.7…

A: ΔG = ΔH - TΔS For a reaction to be spontaneous: ΔG = -ve

Q: In the first stage of the industrial production of nitric acid, ammonia reacts at high temperature…

A: Given reaction, 4NH3(g) + 5O2(g) <====> 4NO(g) +6H2O(g) Entropy: Entropy measure randomness or…

Q: Calculate the standard entropy change for the combustion of propane, a common fuel. C3H8(g) + 502(g)…

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Q: For the reaction Na₂CO3 + 2HCl-NaCl + CO₂ + H₂O ΔH is -144.1 kJ. What is ΔU

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Q: is essentiäl to consider the pontaneous. Select one: O True O False A typical resting person heats…

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Q: Use the observations about each chemical reaction in the table below to decide the sign (positive or…

A: From given tabulation Initially the condition for ∆G, ∆H and ∆H is given with its spontaneity ans…

Q: Which of the following lists the substances in order of increasıng standard molar entro Periodic…

A: First we have to know about entropy and standard molar entopy.   Entropy : It is the degree of…

Q: Consider the following process: a system changes from state 1 (initial state) to state 2 (final…

A: State functions are those functions whose value depends only on the initial and final state but…

Q: Calculate the temperature (K) at which a reaction becomes spontaneous when ΔS = 771 J/mol-K and ΔH =…

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Q: Consider the reaction CH₂(9) 20₂(g) →→→ CO₂(g) + 2H₂O(g) Using standard thermodynamic data at 298K,…

A: The reaction :Calculate the entropy of the surroundings when 2.49 moles of CH4(g) react under…

Q: Calculate ΔS for the system when 2 mol of gas with Cp of 7/2R is changed from 25 C and 1 atm to 125…

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Q: Calculate the change in entropy for the conversion of 1.0 mol molecule X (solid) at -10.0 °C into…

A: The aim is to calculate the entropy for the given system Entropy is the measure of disorderliness or…

Q: write a balanced equation for the combustion of C2H6then use the values in the table to calculate…

A: The balanced chemical eqution for the combustion of ethane can be written as follows-

Q: Calculate the universal entropy change AS°(universe) in unit of J/K at 298.15 K for the reaction:…

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Q: PCI3 boils at 76.1°C, determine the entropy of vaporization given the thermochemical information…

A: Given,

Q: Which of the following transformations represent an increase in the entropy of the system. Choose…

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Q: The first law of thermodynamics can be given as If two thermodynamic systems are each in thermal…

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Q: What is the entropy change if one mole of water is warmed from 0 °C to 100 °C under constant…

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Q: What is the change in entropy (positive, negative, or zero) for the system? H2O (l) --> H2O (s)

A: Entropy is the measure of randomness of the system.

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: How can you calculate the standard entropy change for a reaction from tables of standard entropies?

A: The standard entropy change for a reaction from tables of standard entropies can be calculated by…

Q: Calculating Standard Entropy Change: (a) Calculate the standard entropy change (ArSo) for the…

A: For the given reaction between hydrogen sulfide and oxygen gas, the standard entropy change (ΔSrxn)…

Q: Determine the temperature (in K) above which the following reaction becomes non-spontaneous. 2H₂S…

A: Answer: Relation between Gibbs free energy change, enthalpy change and entropy change is shown…

Q: None

A: Step 1: Step 2: Step 3: Step 4:

Q: Suppose you have two nonpolar molecules that are liquids at room temperature: hexane (C6H14) and…

A: Ideal solution: Those solution in which components of the solution have same type of interaction as…

Q: Indicate which of the following has the largest standard molar entropy (Sºᵒ). O NH3(1) O CH4(8) O…

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Q: Consider the reaction H₂CO(g) + O₂(g)—CO₂(g) + H₂O(l) for which AH° = -563.3 kJ and AS° = -140.5 J/K…

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Q: NUCLEAR CHEMISTRY: Consider the nuclei 117, 50 Sn. Determine its mass defect in kilograms if its…

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Q: The most important commercial process for generating hydrogen gas is the water-gas shift reaction:…

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Q: Consider 1.30 mol of CO₂(g) at 298.15 K and 5.00 atm. The Cp for CO₂ is 37.10 J/K･mol. The gas…

A: The change in entropy of surrounding is 5.70 J/kExplanation:

Q: Given the following values, calculate the temperature at which the process will transition between…

A: Given ∆H° = 108.8 kJ/mol1 kJ = 1000 J ∆H° = 108800 J/mol∆S° = 263.8 J/K.molTemperature at which…

Q: Determine if the acid-base neutralization reaction of hydrochloric acid (HCI) with sodium hydroxide…

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Q: 3. At 105 °C, 0.5 mol of liquid water vaporizes into steam spontaneously because AS of the universe…

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Q: Using enthalpies of formation, calculate variation H° for the following reaction at 25°C. Also…

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Q: Which process(es) listed below occur with an increase in entropy? (i) Water in the ocean warms up…

A: Entropy is a measure of the randomness of the molecules of a substance. For a spontaneous reaction…