Calculate the entropy changes in the system and in the surroundings.

Q: Consider the following reaction run at 25 °C: L (g) + Cl2 (g) = 2 ICI (g) a) A mixture at 25 °C…

A: For the thermodynamic reaction, Given,  Reaction quotient, Q is:

Q: The boiling point of methanol is 65.0 °C and the standard enthalpy of formation of methanol vapor…

A: Given data: The Boiling point of methanol = 650C Standard enthalpy of formation of methanol = -201.0…

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: From the ∆H calculated above and the number of moles of acid neutralized in each case, calculate the…

A:

Q: A 33.0 g sample of quartz, which has a specific heat capacity of 0.730 J-g C, is dropped into an…

A: Since water is at higher temperature than quartz therefore heat is transferred from water to quartz…

Q: A styrofoam calorimeter contains 60.0 mL of 0.750 M H3C6H5O7 at 22.8oC. When 9.83 g NaHCO3 is added…

A: Change in enthalpy i.e. ∆Hreaction can be calculated using the formula: ∆Hreaction=mC∆T where, m is…

Q: A 15.08 g piece of Mg is placed in a container containing 1.0 L of 3.0 M HCI (aqueous). Calculate…

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Q: his question requires the use of the extracts from the tables of thermodynamic properties supplied.…

A: Specific enthalpy: Specific enthalpy is the enthalpy per unit mass of a system. Constant-pressure…

Q: The salt calcium chloride is soluble in water. When 1.55 g CaCl₂ is dissolved in 116.00 g water, the…

A: Given,The amount of water = 116.00 gTemperature (T1) = 250CTemperature (T2) = 27.470C. = (27.47-…

Q: 13. Using the given data of standard molar Gibbs free energy of formation, determine ArG (kJ) at 298…

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Q: AH°F (kJ/mol) S (J/K-mol) Substance Охуgen 205.0 O218) 69.91 H2O) -285.83 Sulfur 31.88 Sulfur(s,…

A: (a) 2S (s, rhombic) + 3O2(g)-----> 2SO3(g) (b) S (s, rhombic) + O2(g)-----> SO2(g) (c) 2SO3…

Q: Consider the reaction 6CO2(g) + 6H₂O(l) → C6H12O6 + 602(g) for which AH° = 2801 kJ and AS° = -259.0…

A: The given reaction is,6CO2(g) + 6H2O(l) C6H12O6 + 6O2(g)Given that:H° = 2.801×103 kJ S° = -259.0…

Q: Reaction (AGº) (kJ) a. 2S(s, rhombic) + 302(g) → 2S03(g) 2SO3(9) b. S(s, rhombic) + O2(g) → 2SO2(g)…

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Q: 1.1 moles of a molecule that has hydrogen bonding are placed in a flask.  The enthalpy of fusion is…

A: Step 1:

Q: Calculate the Gibbs free energy change at 298 K for a mixture containing 1.5 atm H,º (g), 2(g), 2. 0…

A: We would use thermodynamics relation to calculate the value of change in Gibbs free energy ( ∆G ) .

Q: The oxidation of glucose in body tissues produces CO₂(g) and H₂O(I). In contrast, anaerobic…

A:

Q: A geochemist in the field takes a 46.0 mL sample of water from a rock pool lined with crystals of a…

A: Given data :  1) volume of water = 46.0 mL 2) weight of compound X = 10.6 g

Q: Determine the enthalpy of combustion of liquid octane ( C8H18 ) at 25°C and 1 atm. Assume that the…

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Q: For water, ΔHfusion = 6.02 kJ/mol and ΔHvap = 40.65 kJ/mol.   If 0.250 moles of water vaporizes at…

A: ∆Ssurrounding   = - ∆Ssystem. ∆Ssurrounding    = - ∆Hvaporization / Tboiling.

Q: A chemical engineer is studying the two reactions shown in the table below. In each case, she fills…

A: Temperature , T =36.0 °C= (36+273)K=309 K

Q: The standard enthalpies of formation, at 25.00 oC, of methanol (CH4O(l)), water (H2O(l)), and carbon…

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Q: A liquid at 1.00 °C exhibits a vapor pressure of 1.115 atm. The liquid is heated resulting in a…

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Q: Adenosine triphosphate (ATP) is a compound that provides energy for biomechanical reactions in the…

A: Given: ΔH = -20.0 KJ/mol = -20000 J/mol. And ΔS = 34.0 J/K.

Q: 2. Assume that some single-component material has the properties of its change in enthalpy and…

A: 2. Given that : At 1.0 atm, Change in enthalpy (∆H) = 52 kJ/mol CHange in entropy (∆S) = 0.16…

Q: 3. Identify the mechanism (SN1 or SN2) for the substitution product of the following reactions. Draw…

A: An arrow always depicts from a region of high electron density to low electron density ; that is…

Q: chemist carefully measure the amount of heat needed to raise the temperature of a 0.60 kg sample of…

A: Specific heat capacity is calculated by using the formula: Cs = q/m∆T Cs = specific heat capacityq =…

Q: The standard enthalpy of combustion, A H , of graphite is -393.51 kJ mol-1. Calculate the change in…

A: Given :  Enthalpy of combustion of graphite = -393.51 KJ/mol

Q: The boiling point of methanol is 65.0 °C and the standard enthalpy of formation of methanol vapor is…

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Q: What is the change in entropy in a large mass of water at 50 °C when it receives 155 kJ of energy in…

A: Answer is explained below. Given that, the change is reversible and the mass of water is large…

Q: Calculate the energy to cool 10 kg of benzene (C6H6) from 100 ° C to 25.0 ° C. Thermodynamic data…

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Q: Calculate the difference in molar entropy (a) between liquid water and ice at -5 °C, (b) between…

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Q: Find ΔUΔU for the change in state of 1.0 molH2O(l) at 80 ∘C to H2O(g) at 112∘C. The molar heat…

A: Here the transition can be divided into three parts as below H2O (l, 80℃)-------->H2O (l, 100℃)…

Q: Determine the change in extensive entropy for a change in temperature of a unit mass of liquid…

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Q: Sulfur dioxide is a significant air pollutant, especially from coal-fired power-plants. The…

A: From the Gibbs free energy change equation, we know that  Δ G 0 = Δ H 0 - T Δ S 0   Where - ΔG 0 =…

Q: Write the chemical reaction Calculate the standard Gibbs free energy for the reaction in the muscles…

A: Given:equilibrium constant at 37 degree C ∆G°=-30.5 kJ/molR=8.314 × 10-3 kJ/molT=310 k

Q: What is the standard Gibbs free energy for the transformation of diamond to graphite at 298 K?…

A: The given reaction is as follows: Cdiamond → Cgraphite The standard Gibbs free energy = ?

Q: One mole of a perfect gas contained in a 10-L vessel at 27 °C is permitted to expand freely into an…

A: Given :  Initial volume of vessel = 10 L  Final volume of vessel = 20 L  Temperature = 27 °C  Moles…

Q: A reaction vessel was filled with H2, CO2, CO, and Molar H20 and the following reaction occurred. H2…

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Q: these two reactions: Reaction 1: 2OF2(g)⟶O2(g)+2 F2(g)ΔH=−49.4 kJ  Reaction 2:…

A: ->A reaction is spontaneous if ∆G<0 ->A reaction is non spontaneous if ∆G>0

Q: Water gas is the name for the mixture of COCO and H2H2 prepared by reaction of steam with carbon at…

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Q: 1 mol of ammonia gas and 3 mol of methane are mixed in a 3 L container at 20oC. What is the entropy…

A: The randomness of of a system is known as entropy.

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: The heat of vaporization AH, of acetic acid (HCH₂CO₂) is 41.0 kJ/mol. Calculate the change in…

A: Entropy change is the process that computes the randomness in a thermodynamic system. Given: Heat of…

Q: A 6.91 mol sample of ethylene is burned in a bomb calorimeter that has heat capacity of 348.0…

A: Internal energy is the sum of all forms of energy specially kinetic energy and potential…