The heat of vaporization of water at 373 K is 40.7 kJ>mol. Find q, w, ΔE, and ΔH for the evaporation of 454 g of water at this temperature at 1 atm.

Q: by Leamin When a 6.00 g sample of RbBr is dissolved in water in a calorimeter that has a total heat…

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Q: alculate the standard change in Gibbs free energy for the reaction at 25 °C. Standard Gibbs free…

A: Standard gibbs free energy for the above reaction is

Q: If enthalpy is +220 kJ for a reaction and entropy is +120 J, at what temperature is this…

A: The spontaniety of any reaction is decided by the Gibb's free energy change if the reaction. Any…

Q: 1. In which of the following cases do you observe a spontaneous process? А. AS = 10 J/K, AS =-10 J/K…

A: We are authorised to solve only one question at a time. Since you have not mentioned, we are solving…

Q: (a) What is the maximum electrical work obtainable from the reaction | 0,(g) + H,(g) = H,O(1) %3D…

A: In a reversible reaction, very less amount of heat is lost and thus such reactions are highly…

Q: HNO2(aq) + OH (aq) H20(1) + NO2 (aq) K= 4.5×1010 What is the standard change in Gibbs free energy at…

A: Given :- K = 4.5 × 1010                T = 25 °C                 R = 8.314 J/K.mol  To calculate :-…

Q: Calculate the enthalpy change expected when 50.0g of water vaporizes, if the molar enthalpy of…

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Q: Calculate ΔG°rxn (in kJ) for a reaction where ΔH°= +63 kJ, ΔS°= +675 J/K, and T = 298 K

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Q: When a 2.00 g2.00 g sample of RbBrRbBr is dissolved in water in a calorimeter that has a total heat…

A: Given, Mass of sample RbBr = 2.00gram Total heat capacity = 0.779 KJ-1K-1 Temperature is decreased…

Q: For the combustion of CO(g): 2CO(g) + 02(g) 2CO2(8) the reaction is spontaneous at 25 °C. What can…

A: First, calculate the standard enthalpy of the reaction as follows: ∆H° = 2∆H°CO2(g) -  2∆H°CO(g)+…

Q: When a 4.00 g sample of RbBr is dissolved in water in a calorimeter that has a total heat capacity…

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Q: Suppose we redefine the standard state as P = 2 atm. Find the new standard ΔGf​ values of each…

A: a). HCl(g) The standard state has P= 2 atm.

Q: Calculate "work" and "change in internal energy" for the conversion of three moles of ethanol at 78…

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Q: How much work, w, must be done on a system to decrease its volume from 20.0 L to 13.0 L by exerting…

A: Since you have posted multiple questions, we are entitled to answer the first only. Given: Constant…

Q: Consider the reaction described by the chemical equation shown. 3 C,H,(g) C,H,1) AHxn = -633.1 kJ…

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Q: “Thermite” reactions have been used for welding metal parts such as railway rails and in metal…

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Q: DeltaH=21 DeltaG=0.10115 Deltas=0.071 NaNO3 (s) → Na+ (aq) + NO3– (aq) 4. Looking at the chemical…

A: The given reaction is shown below. NaNO3s→Na+aq+NO3-aq

Q: () What are the thermodynamic quantities of a system that affect the amount and sign of the internal…

A: (i) According to thermodynamic, the change in internal energy (ΔU) is, ΔU=q + w Therefore, internal…

Q: Using enthalpies of formation (See the Supplemental Data), calculate ΔH° (in kJ) for the following…

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Q: An endothermic reaction can be demonstrated by freezing an Erlenmeyer flask to a piece of plywood…

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Q: when a 6.00 g sample of KBr is dissolved in water in calorimeter that has a total heat capacity of…

A: The heat of the reaction when 6 g of KBr is dissolved can be calculated as,

Q: For the chemical system: KOH + HBr → KBĽ¢ + H,O + 45 kJ (aq) (aq) (1) which of the following is…

A: KOH (s) + HBr (aq) ------> KBr(aq) + H2O(l) +45 kJ

Q: Consider the decomposition of liquid benzene, C6H6(l), togaseous acetylene, C2H2(g):C6H6(l)…

A: a) C6H6(l) -----> 3 C2H2(g) ΔH = +630 kJ  the enthalpy change for the reverse reaction  3 C2H2(g)…

Q: Is it possible for an ice to have a higher entropy than water? Why?

A: Entropy is the measure of the randomness of the system. The more disordered the system more will be…

Q: When a 6.00 g sample of RbBr is dissolved in water in a calorimeter that has a total heat capacity…

A: We have to calculate the molar heat of solution.

Q: 6) Consider H;0 going from the gas phase to liquid phase to solid phase. Describe the changes in…

A: In the vapor state, the gas phase of water, water molecules have the highest kinetic energy and this…

Q: enthalpy a state function. Fill in the blank: 4. For a change that takes place at constant pressure,…

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Q: (a) Consider the following chemical reaction: 3Fe2O3(s) + CO(g) → 2Fe3O4(s) + CO2(g) ΔH = ? Use…

A: Given: The thermochemical data, 4Fes + 3O2g → 2Fe2O3s                      ∆H° = -1652 kJ/mol…

Q: From your knowledge of microstates and the structure of liquid water, explain the difference in…

A: Finding: Microstates To find Structure of liquid water

Q: If the process is exothermic and not spontaneous, then what must be TRUE? O a. AS> 0 O b. AS0 O d.…

A: Exothermic process heat is given by system... Endothermic process heat given to the system...

Q: 2. Give an example of an endothermic process that is spontaneous b. an exothermic process that is…

A: Spontaneous process :-          It is a process, in which process occurs without any external input…

Q: The dissolution of CaCl2 in water is product-favored, but the temperature of the surrounding water…

A: Change in entropy of mixing of gases (∆S)- Entropy of mixing of gases is always positive Because…

Q: Atte Calculate the standard change in Gibbs free energy for the reaction at 25 °C. Standard Gibbs…

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Q: For the oxidation of iron to form iron(III) oxide: 4Fe(s) + 3O2(g) ⟷⟷ 2Fe2O3(s)…

A: ΔSo = –549.73 J∙K–1 T = 298K ΔH = –824.2 kJ∙mol–1 = -824200 Jmol-1

Q: For the reaction below ∆G° = + 33.0 kJ, ∆H° = + 92.2 kJ, and ∆S° = + 198.7 J/K. Estimate the…

A: We wil use the Gibbs helmholtz equation to calculate the temperature when ∆G is zero. And above this…

Q: What are the thermodynamic quantities of a system that affect the amount and sign of the internal…

A: since you have posted multiple questions. we are entitiled to answer first question only. please…

Q: I need help with number 3 thank you

A: The Gibbs free energy can be defined as a thermodynamic potential which is used to calculate the…

Q: What is the maximum amount of useful work that could possibly be obtained at 25 °C and 1 atm from…

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Q: What is Gibbs free energy, and what is ΔG for a reaction, and what does it mean if ΔG is positive,…

A: Gibbs free energy : It is defined as the maximum reversible non-PV work that can be obtained from…

Q: If a reaction is exothermic it is spontaneous. True or false

A: In this question, we will discuss About a Reaction is exothermic then it is spontaneous or not means…

Q: 17D.1. (a) What is the specific heat of liquid water? (b) What is the molar heat capacity of liquid…

A: Specific heat is the amount of heat per unit mass required to raise the temperature by one degree…

Q: Calculate ∆G° for a reaction for which ∆H° = 24.6 kJ and ∆S° = 132 J/K at 298 K. Is the reaction…

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Q: Given the data below, calculate the temperature at which the reaction becomes spontaneous: N2 (g) +…

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Q: For a given reaction, dH = 32 kJ/mol and dS = 117 J/mol. At approximately what temperature would…

A: The spontaneity of the reaction can be determined by the change in Gibbs free energy. The relation…

Q: (Q77) The standard Gibbs free energy (AG°rxn) for the formation of sulfur trioxide from sulfur…

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Q: Calculate ΔH° for the process Sb(s) + 52Cl2(g) ⟶ SbCl5(s) from the following information: Sb(s)…

A: According to the Hess’s law of Constant heat Summation, regardless of the number of steps or stages…

Q: If a process is exothermic and not spontaneous, then what must not be true? a) AG>0 b) AH0 d) AS<0

A: For exothermic process, ΔH &lt; 0 For non spontaneous process, ΔG &gt; 0

Q: Without doing any calculations or using Sf data, arrange each group in order of increasing entropy.…

A: Always a gaseous (vapor) substance of same material have highest entropy compare to its liquid and…

Q: If the process is exothermic and not spontaneous, then what must be TRUE? O a. AS0 O c. AH=0 O d.…

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Q: Calculate the free energy change for the formation of one mole of ammonia from its elements under…

A: The formula that can be used in the solution is : ΔG° = ΔG°f(products) - ΔG°f(reactant)