When 4.03 g of ammonium perchlorate (NH4ClO4) is dissolved in 120 g of water in a styrofoam calorimeter of negligible heat capacity, the temperature drops from 25.00 to 22.62 °C. Based on this observation, calculate q for the water and ΔH° for the process, assuming that the heat absorbed by the salt is negligible. NH4ClO4(s) -----> NH4+(aq) + ClO4-(aq) The specific heat of water is 4.184 J °C-1 g-1. Give the answers in kJ. qH2O= ΔH°=

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: Consider the reactionH2CO(g) + O2(g)CO2(g) + H2O(l)for which delta H° = -563.3 kJ and delta S° =…

A: Introduction: All feasible reactions occurring in nature are either enthalpy/entropy driven or…

Q: Calculate the change in the Gibbs free energy (ΔGorxn) in J for the decomposition of carbon…

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Q: Ca(OH)2(aq) + 2HCl(aq)CaCl2(s) + 2H2O(l) for which H° = -30.20 kJ and S° = 205.9 J/K at 298.15 K.…

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Q: methanol, CH3OH, vaporizes at 25°C is 35.4 kJ/mol. What is the entropy change (in J/K) when one mole…

A: Given,   □Hvap = 35.4 kJ/mol T = 25 °c = 298 K □S = □H/T   = 35.4 ×1000/298 = 118.79 J/K-mol

Q: 1/2 O2(g) H2(g) + hydrogen H20 (1) охудen water HYDROGEN FUEL We will find that molecular hydrogen…

A: Given data : Standard entropy of H2 = Sθ(H2)=130.7J/mol K Standard entropy of O2 = Sθ(O2)=205.2J/mol…

Q: (Q71) Consider the hydrogenation of ethene to form ethane that occurs according to the following…

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

A: a) The standard state has P= 2 atm. Equilibrium constant for this reaction is calculated as…

Q: Determine the entropy change for the combustion of liquid ethanol, C2H5OH, under standard state…

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Q: Consider the reaction CH4(g) + 2O2(g)CO2(g) + 2H2O(g) for which H° = -802.3 kJ and S° = -5.200 J/K…

A: (1) The given reaction is: CH4(g)+2O2(g)→CO2(g)+2H2O(g) ΔHo = -802.3 kJ/mol ΔSo = -5.200 J/K.mol at…

Q: Consider the reaction CH4(g) + H2O(g)CO(g) + 3H2(g) for which H° = 206.1 kJ and S° = 214.7 J/K at…

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Q: Find the standard molar enthalpy for the reaction C(s) + ½ O2(2) → CO(g) Cs) + O2(2) → CO2«g) CO243)…

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Q: A cup of rather dilute hot tea initially at 140 degrees F is served to a customer at Howard…

A: Mass of tea = 200g = m Initial temp = Ti = 140°F = 60°C Final temp = Tf = 100°F = 37.7°C Specific…

Q: Consider the reaction 2NO(g) + 2H2(g) N2(g) + 2H2O() for which AH° = -752.2 kJ and AS° = -351.6 J/K…

A: Given information, ∆H° = -752.2 kJ ∆S° = -351.6 J/K (at 298.15 K)

Q: Calculate ΔH° for the process Sb(s) + 5 2 Cl2 (g) ⟶ SbCl5 (s) from the following information: Sb(s)…

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Q: Consider the reaction 6CO2(g) + 6H2O(l)C6H12O6 + 6O2(g) for which H° = 2.801×103 kJ and S° =…

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

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: Calculate the change in entropy that occurs in the system when 45.8 g of diethyl ether (C4H10O)…

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Q: Enter your answer in the provided box. Calculate the standard entropy change for the following…

A: Using the table of standard entropies of reactants and products, the standard entropy change for the…

Q: Consider the reaction CH4(g) + H2O(g)CO(g) + 3H2(g) for which H° = 206.1 kJ and S° = 214.7 J/K at…

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Q: Consider the reaction 6CO2(g) + 6H2O(l)C6H12O6 + 6O2(g) for which H° = 2.801×103 kJ and S° =…

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Q: Hydrogen peroxide (H2O2) decomposes to water and oxygen at constant pressure by the following…

A: Since from the given reaction we can say that when 2 moles (2 because in reaction coefficient of…

Q: Consider the reaction2H2S(g) + 3O2(g)2H2O(l) + 2SO2(g)for which H° = -1.124×103 kJ and S° = -390.7…

A: Given Data:

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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: value for ΔrS°, in units of J K-1‑mol-1 at 25 °C?

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Q: Calculate ΔH in kJ for the reaction: 2CH3OH(l) + 3O2(g) → 2CO2(g) + 4H2O(l) given that the standard…

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Q: Determine the entropy change for the combustion of gaseous propane, C3Hg, under the standard…

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Q: Automobile airbags contain solid sodium azide, NaN3, that reacts to produce nitrogen gas when…

A: Given data: Mass of NaN3 = 28.3 gms                    Molar mass = 65 gm/mol Pressure = 1 atm…

Q: Consider the reaction N2(g) + 2H2O(1)–→2NO(g) + 2H2(g) for which AH° = 752.2 kJ and AS° = 351.6 J/K…

A: The given reaction is : N2(g)  +  2H2O(l)  →  2NO(g)  +  2H2(g)For the above reaction :∆H°=752.2 kJ…

Q: 2. (a) A sample of 1 mole ammonia at 14 atm and 25 °C in a cylinder fitted with a moveable piston…

A: Since you have posted multiple questions, we will answer only first question for you. If you want…

Q: Gibbs free energy in chemistry is symbolizedG. It is related to the enthalpy (H) and entropy (S)…

A: The reaction given is  In the above reaction, since production of gaseous molecules takes place.…

Q: The industrial synthesis of chloroform by the reaction of methane with Cl2 is carried out according…

A: The given equation is not balanced, so the first step is to balance the equation.  CH4 (g) + 3Cl2…

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: A critical reaction in the production of energy to do work or drive chemical reactions in biological…

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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…

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Q: Which of the following statements correctly describe the second law of thermodynamics? I. Heat will…

A: Answer  Second law of thermodynamics The first law of thermodynamics state…

Q: Consider the reaction 2H2S(g) + 3O2(g)2H2O(l) + 2SO2(g) for which H° = -1.124×103 kJ and S° =…

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

Q: CuO (s) —> Cu (s) + 1/2 O2 (g) G = 155 kJ/mol A. Using the data in the table, calculate the value of…

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Q: Consider the following reaction occurring at 25C Nitrogen monoxide gas reacts with hydrogen gas to…

A: "Since you have posted a question with multiple sub-parts, we will solve the first three subparts…

Q: In which case will a chemical reaction ALWAYS proceed spontaneously at all temperatures (DH and DS…

A: Feasibility of a reaction depends on the change in Gibbs free energy ∆G.  The value of change in…

Q: Consider the decomposition of liquid benzene, C6H61l2, togaseous acetylene, C2H21g2:C6H61l2 ¡ 3…

A: Decomposition reactions are one in which the reactants get splits into one or more than one…

Q: Consider the reaction 6CO2(g) + 6H2O(1)–C¢H12O6 + 602(g) for which AH° = 2.801×10° kJ and AS° =…

A: The given reaction is : 6CO2(g)  +  6H2O(l)  →  C6H12O6  +  6O2(g)∆H°=2.801×103kJ and ∆S°=-259.0 J/K…

Q: Consider the decomposition of dinitrogen tetroxide, N2O4, into nitrogen dioxide, NO2.  N2O4…

A: The balanced reaction given is, => N2O4 (g) → 2 NO2 (g) The thermodynamic data given is,…

Q: Consider the following two reactions for the production of ethanol. (1) C2H4(g) + H20(g) →…

A: The reactions given for production of ethanol are  1. C2H4 (g) + H2O (g) → CH3CH2OH (l) 2. C2H6 (g)…

Q: . Chloroform, CHC13, has a normal boiling point of 61 °C and it enthalpy of vaporization is 29.24…

A: Formula used:- ∆G°=∆H°-T∆S° But in this condition ∆G° = 0  Thus new formula is ∆S° = ∆H°/T

Q: 2.) Use the standard enthalpy values in Appendix 2 to calculate the standard entropy changes for the…

A: Entropy changes for the following reactions are:   ∆Sreaction° = ∑n×S°product - ∑ n×S°reactant

Q: Consider the reactionCa(OH)2(aq) + 2HCl(aq)CaCl2(s) + 2H2O(l)for which H° = -30.20 kJ and S° = 205.9…

A: