Consider the following generic reaction: A+2B→C+3DA+2B→C+3D, with ΔHΔH = 125 kJkJ . Determine the value of ΔHΔH for each of the following related reactions. 3A+6B→3C+9D C+3D→A+2B 1/2C+3/2D→1/2A+B

Q: A chemist measures the enthalpy change AH during the following reaction: H₂O(1)→ H₂O(g) ΔΗ = 44. kJ…

A: The objective of the question is to calculate the enthalpy change for different reactions using the…

Q: Calculate ΔH°rxn for the following reaction.             3N2H4(l)   →  4NH3(g) + N2(g) given that…

A: The reaction taking place is given as, => 3 N2H4 (l) -----> 4 NH3 (g) + N2 (g)  Given :…

Q: o Calculate AG at 298 K for the reaction CS₂ (1) + 30₂ (g) based on these reactions. C(s) + O₂(g)…

A: CS2(l) + 3O2(g) -----> CO2(g) + 2SO2(g)  ∆G° = ? Based on the reaction, a) C(s) + O2(g) ---->…

Q: Calculate ΔH°rxn using the following information:                 SO2I2(g) + 2 H2O(l)  →  2 HI(g)…

A: For the given reaction: SO2I2(g) + 2 H2O(l)  →  2 HI(g) + H2SO4(l)   ΔH°rxn for the above given…

Q: Part A What is the work associated with decomposition of trinitrotoluene (TNT) upon detonation…

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Q: ΔS when 1 mol of frozen ethanol melts

A: The entropy change when 1 mole of solid ethanol melts at its normal melting point is 29.4 JK 'mol'.…

Q: Calculate ΔH⁰298  (in kJ) for the process P(s) + 5/2 Cl2(g) → PCl5(g) from the following information

A: Hess's law :  This law states that " the change of enthaply in a chemical reaction is the same ,…

Q: Find the ΔH for this reaction : 3H2(g) +O3(g) --> 3H2O(g) Given the two following pieces of…

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Q: Calculate the ΔH for the target reaction below using the three equations listed. Rewrite the three…

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Q: At 298 K, the following heats of reaction are known: S (s) + O2 (g) → SO2 (g) ΔH = −296.1 kJ 2 SO3…

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Q: Make any changes needed in each of the following equationsto make ΔH°ᵣₓₙ equal to ΔH°f for…

A: ∆H˚f is the change in enthalpy (∆H) when 1 mole of the compound is formed from its constituent…

Q: For each of the following, determine the value of ΔH2 in terms of ΔH1.   a. A+B→2C,ΔH1…

A: Determination of enthalpy change of the reaction: (a) The given reaction is as follows: A    +    B…

Q: HBr 60 °C 1

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Q: To calculate Δ?rxn = Δ?rxn° + RTln Q ; how would I calculate for Q?

A: how would I calculate for Q?

Q: Calculate the unknown ΔrS° using the following information: A + B → 2D ΔrS° = ? C→1⁄2B+D…

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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: Q5: Calculate the ΔGrxn° for: N2O(g) + NO2(g) → 3 NO(g) Given: 2 NO(g) + O2(g) → 2 NO2(g) ΔGrxn° =…

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Q: Consider the following generic reaction: A+2B→C+3DA+2B→C+3D, with ΔH = 148 kJkJ . Determine the…

A: Answer:Properties that depend on the quantity of system are called as extensive properties. These…

Q: Why is it usually more convenient to measure ΔH than ΔE?

A: Given statement,           It is usually more convenient to measure ΔH than ΔE.

Q: Sulfur dioxide reacts with oxygen to produce sulfur trioxide. Thermodynamic Data Substance ΔfH∘…

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Q: Given the following equations and H values, determine the ΔH for the reaction:…

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Q: For each reaction equation, calculate the internal energy change, AE, of the reaction at 25 °C. 2…

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Q: ΔHf

A: Dear student I have given answer to your question in the image format.

Q: Provide an explanation for why the mixing acetone and cyclohexane is endothermic

A: (Firstly it should be exothermic not endothermic) This is so because chloroform forms hydrogen bond…

Q: Calculate ∆H for the reaction 4NH3 (g) + 5O2 (g) → 4NO (g) + 6H2O (g), from the following data. N2…

A: To get the required reaction4NH3→2N2+6H2    ∆H=2×91.8=183.6KJ2N2+2O2→4NO…

Q: Consider the reactions: A→2B ΔH1 2B→3C ΔH2 What is ΔH for the reaction A→3C ?

A: According to the Hess’s Law Irrespective of number of steps the total enthalpy change of a reaction…

Q: The combustion of 2.295 g of propanol (C3H7OH) increases the temperature of a bomb calorimeter from…

A: Heat of Combustion- Is the measure of the amount of heat released when one mole of a substance is…

Q: 4. Find the standard molar enthalpy for the reaction Cos+ ½ Oxg}→ COe Co+ Oz→ C0xg AH = -394 kJ CO2…

A: Given: (i) C(s) + ½ O2(g) → CO(g)                          ;  ΔH°(i) (ii) C(s) + O2(g) → CO2(g)…

Q: Calculate ΔH for the following reaction: PCl3 (l) +  Cl2 (g)  → PCl5 (s) given the following: 1)…

A: Reverse of first reaction and and it will second equation and divide by 2 equation so we can that…

Q: Use this information Al + 3/2 Cl(g) → AlCl ΔH = -352.82 kJ/mol Cl + H → 2HCl ΔH = -80.04 kJ/mol 2Al…

A: Given, a) Al + 3/2 Cl(g) → AlCl   ΔH = -352.82 kJ/mol b) Cl + H → 2HCl   ΔH = -80.04 kJ/mol c) 2Al +…

Q: A chemist measures the enthalpy change AH during the following reaction: P4(s) + 6 Cl₂(g) 4 PC13(g)…

A: The enthalpy change is a state function and the Hess law states that the change of enthalpy in a…

Q: Which of the following statements are true about the exothermic reaction H2(g)+12O2(g)→H2O(l) ?…

A: A chemical process in which heat is released into its surroundings is called an exothermic reaction.…

Q: follow to calculate the value of ΔH° for the reaction: 4 B  2 A + C + 2 F A + 2B   E       ΔH° =

A: Using Hess's law,  Enthalpy of a reaction is always remains constant whether reaction completes in…

Q: Comment on whether ΔH and ΔS favor spontaneity of the following reactions. Explain your reasoning!…

A: Spontaneous reaction are those which occur in forward direction and favour the formation of product.

Q: Find the standard molar enthalpy for the reaction C(s) + ½ O2(g) → CO(g) C(s) + O2(g) → CO2(g) ∆Ho =…

A: Given in the question : C(s) + O2(g) → CO2(g) ; ∆Ho = -394 kJ CO2(g) → CO(g) + ½ O2(g) ; ∆Ho = +283…

Q: Use the thermochemical data that follow to calculate the value of ΔH° for the reaction: 4 B  2 A + C…

A: Thermochemistry can be defined as the branch of chemistry that deals with heat energy associated…

Q: Given the information R + X → Q + Z ΔH= 165 kJ Q + Z → T ΔH= 165 kJ calculate ΔH for each of the…

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Q: For each reaction equation, calculate the internal energy change, ΔE, of the reaction at 25 ∘C…

A: Enthalpy and energy of the reaction are related as H=E+PV The change in enthalpy can be given as…

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: g)         ΔH°f, = +121.3 kJ mol–1 Cl–(aq)     ΔH°f, = –167.2 kJ mol–1 HCl(g)      ΔH°f, = –92.3 kJ…

A: From given table of ΔH°f is need to determine stability of Cl2 , Cl and Cl- is need to determine…

Q: ΔH

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Q: Determine the  ΔH for the reaction below using Bond Energies.…

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Q: The value of ΔH° for the following reaction is +483.5 kJ/mol: 2 H2O (g) → 2 H2 (g) + O2 (g) What…

A: given, 2 H2O (g) → 2 H2 (g) + O2 (g)  ΔH° =  +483.5 kJ/mol if  reaction is reversed the sign of the…

Q: ΔHrxn∘=− 85 kJ, ΔSrxn= 154 J/K, T= 392 K Find ΔSuniv

A: According to second law of thermodynamicsΔStotal = ΔSuniverse = ΔSsystem + ΔSsurroundings Given…

Q: Determine the ΔH of the following reactions. 1.) CH4 (g) + 2 O2 (g) à CO2 (g) + 2 H2O (l)…

A: Determine the ΔH of the following reactions.

Q: Calculate ΔrH° for the combustion of methane gas, CH4 : CH4(g)  +   2 O2(g)  →   CO2(g)  +  2…

A: The standard enthalpy change for the formation of one mole of a compound from its elements in their…

Q: Calculate for the Delta H (enthalpy) of the reaction below 2NH3(g) + O₂(g) given the following data:…

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Thermochemistry

Thermochemistry can be considered as a branch of thermodynamics that deals with the connections between warmth, work, and various types of energy, formed because of different synthetic and actual cycles. Thermochemistry describes the energy changes that occur as a result of reactions or chemical changes in a substance.    

Exergonic Reaction

The term exergonic is derived from the Greek word in which ‘ergon’ means work and exergonic means ‘work outside’. Exergonic reactions releases work energy. Exergonic reactions are different from exothermic reactions, the one that releases only heat energy during the course of the reaction. So, exothermic reaction is one type of exergonic reaction. Exergonic reaction releases work energy in different forms like heat, light or sound. For example, a glow stick releases light making that an exergonic reaction and not an exothermic reaction since no heat is released. Even endothermic reactions at very high temperature are exergonic.