Consider the freezing of ice at room temperature. What are the signs of ΔΗ, Δs, and ΔG? ΔΗ Δε O(A) ΔΗ Positive (Β) ΔΗ Positive (0) ΔΗ Positive (D) ΔΗ ΔG Δε Positive Δε Positive AS Negative AS AG Positive AG Negative AG Positive AG

Q: From the following information, determine ΔH°f of malonic acid, CH2(COOH)2(s). CH2(COOH)2(s) +…

A: We know that ΔH° (reaction) = ∑(∆Hf)products - ∑(∆Hf)reactants

Q: CS2 (g) 4H2 (g) CH: (g) 2H2S (g) + Calculate AH°, AS° and AG° at 25°C for this reaction. AH° :…

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Q: According to the table below, which statement describes an exothermic reaction n which the…

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Q: What is the main reason why ΔG or change in free energy is important for determining the spontaneity…

A: ∆G° is the Gibbs free energy which tells about the spontaneity of the reaction.  If ∆G° = +ve…

Q: Given the reactions, X(s)+12O2(g)⟶XO(s) Δ?=−635.1 kJ XCO3(s)⟶XO(s)+CO2(g)…

A: The given problem relates to Hess's law, which states that the amount of heat evolved or absorbed in…

Q: Predict the sign of ΔSsys (positive or negative) if a gas is converted to solid and decrease in…

A: when a gas is converted to solid and there is decrease in number of particles,

Q: Use Hess's law to calculate ΔG°rxn using the following information.               NO(g) + O(g) →…

A: The first thing to do is to change the bottom three reactions to make it look like the top reaction.…

Q: When solutions containing silver ions and chloride ions are mixed, silver chloride precipitate:…

A: As you have asked multiple questions, so we will answer the 1st three question. Please mention the…

Q: Consider the reaction: A + B. When this reaction reaches equilibrium, which quantity equals zero?…

A: Equlibrium is the state of a reversible reaction when the two opposing reactions occurs at the same…

Q: has

A: We wil use Clausius clapreyon Equation

Q: f AH for the process H20(g) H2O(1) is:

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Q: Use the following reference reactions to determine ΔH for the reactions given below. P + 3/2Cl2 →…

A: Given  Reaction   P + 32Cl2   →  PCl3                ∆H = -146.2 KJ/mol                 ( Equation 1…

Q: Determine △H o for the decomposition of hydrogen peroxide. H 2O 2(l) →   O 2(g) + H 2O(l) Given:  H…

A: To solve this problem we use given two thermochemical equation to calculate the enthalpy of reaction…

Q: Given the reactions, X(s)+12O2(g)⟶XO(s)   Δ?=−676.5 kJ XCO3(s)⟶XO(s)+CO2(g)Δ?=+324.9 kJ what is Δ?…

A: Assuming the question is to find ΔH from the given reactions with there ΔH values as it is written…

Q: Calculate the ΔG°rxn using the following information. 4 HNO3(g) + 5 N2H4(l) → 7 N2(g) + 12 H2O(l)…

A: Given: ΔH°f(HNO3)= -133.9 kJ/mol ΔH°f(N2H4)= 50.6 kJ/mol ΔH°f(N2)= 0 kJ/mol ΔH°f(H2O)=  -285.8…

Q: If a chemical reaction is exothermic, but not spontaneous, which of the following must be true? AG v…

A: Here, we have to assign the sign of all thermodynamic properties.

Q: a 1.00 g sample of MgCl2 produced a 10.00°C increase in a calorimeter charged with 40.0mL of…

A: Mass of MgCl2 = 1.00 gIncrease in temperature(ΔT )= 10.00 °CSpecific heat of (MgCl2) =0.750Volume of…

Q: Using the data given below, calculate the ΔHo for the dissociation of HCN to its constituent ions.…

A: The given equations can be rearranged as:

Q: Identify which of the following statements is true regarding the following physical process:…

A: Liquids have more entropy than solids. And also liquids have highest enthalpy than liquids .the…

Q: The value of AH° for the reaction below is -126 kJ. The amount of heat that is released by the…

A: Given reaction is : 2Na2O2 (s) + 2H2O (l) → 4NaOH (s) + O2 (g) Standard change in enthalpy of the…

Q: What is ΔH°rxn for the following reaction? C6H6(l) + 15/2 O2(g) → 6CO2(g) + 3H2O(l)…

A: Multiplying reaction 2 with 6 and reaction 3 with 3 will give the enthapies of new reaction as…

Q: What is the heat of reaction, ΔH°? 5 Cl2(g) + 4 H2O(l) à 8 HCl(aq) + 2 ClO2(g)…

A: Heat of Reaction(Hrxn)=11.4 kJ/molExplanation:From the table of Standard Heats of formation. The…

Q: Calculate the temperature when ΔS(universe) equals to 0 for the following reaction: 2H2(g) + O2(g) →…

A: Given,  ∆U = -564 kJ/mol I (work) = 7.5 kJ ∆S= 0  Reaction : 2H2(g) + O2(g) → 2H2O(l)

Q: For the following reaction at 276°C, calculate Keq. 2 A (s)  +  B (g)  →  C (g)  +  D (s) ΔS°  =…

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Q: Given the reactions below, answer the following questions. Cl2​(g)+F2​(g)2ClF(g)    ΔG∘rxnΔGrxn∘ =…

A: Given chemical reaction:

Q: When you add water to a small amount of sodium chloride (NaCl), the solid dissolved and the solution…

A: The question is based on the concept of chemical thermodynamics . we need to explain effect on…

Q: A system releases 125 kJ of heat while 104 kJ of work is done on it. Calculate ΔE.

A: Given: Heat energy released = -125 kJ Work done = 104 kJ

Q: A solid sample of copper, Cu(s), is placed in a test tube containing a solution of nitric acid,…

A: Cu(s)  + 4HNO3 (aq) → Cu(NO3)2 (aq) + 2 NO2 (g) + 2H2O(l) + heat  △Hsys  is negative. Reaction is…

Q: Methanogenic bacteria convert acetic acid (CH3COOH) to CO2(g) and CH4(g).   ΔH°f, (kJ/mol) ΔG°f,…

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Q: Which statement is true for the freezing of liquid water below 0 °C? Group of answer choices ΔH is…

A: The question is asking us to determine the correct values of ΔH (change in enthalpy), ΔS (change in…

Q: Nitrogen oxide (NO) has been found to be a key component in many biological processes. It also can…

A: The given is reaction for formation of NO2 NO(g) + ½O2(g) → NO2(g) ΔH = –57.0 kJ We are to find out…

Q: The difference between ΔH and ΔE is _________. that one refers to the system and one refers to the…

A: The total energy of a system is known as the internal energy of the system. The heat change at the…

Q: Consider the reaction A → B with ΔS° = -80.980 J/(K·molrxn) and the reaction B → C with ΔS° =…

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Q: Substance CaO (s) CO₂ (g) CaCO3 (s) What is AG for the reaction CaO(s) + CO₂(g) → CaCO³(s)? k AG°f…

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Q: Copper(I) oxide can be oxidized to copper(II) oxide:Cu₂O(s)+1/2O₂(g)→2CuO(s) ΔH°ᵣₓₙ =-146.0kJ…

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Q: For which of the following reactions is ΔS° a positive value?

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Q: Given the following data: 2 03(g) → 3 0₂(g) O₂(g) → 2 0(g) NO(g) + 03(g) → NO₂(g) + O₂(g) calculate…

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Q: Calculatre the ΔH of reaction for the following reaction:  Fe3O4 (s)  +  CO (g)  -->  3FeO (s)  +…

A: △H =△HProducts -△HReactants

Q: 47.ΔS is positive for which of the following reaction ________. A) CaO (s) + CO2 (g)  →  CaCO3 (s)…

A: Answer:- The entropy is the degree of randomness. The chemical reaction which involves the formation…

Q: Species So NH3 111.3 O2 205.0 CH4 186.1 HCN…

A: The standard entropy change of the reaction is equal to the difference in the standard entropy of…

Q: What is the sign for the change in entropy (ΔSsys) for this chemical reaction? 2 NOCl (g)   →   N2…

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Q: Determine ΔH for the third reaction from the information given.   C3H8(g) + 3 H2O(g) ↔ 3 CO(g) + 7…

A: Calculating ∆H for the given reaction by multiplying second reaction by 3 and adding to reaction 1.

Q: Calculate ΔH for 2 NO(g) + O2(g)    ------>N2O4(g), using thefollowing…

A: Given,

Q: ΔS is positive for the reaction ________. A) 2H2 (g) + O2 (g) → 2H2O (g) B) 2NO2 (g) → N2O4 (g) C)…

A: