ΔHf information provided to calculate ΔH of the reaction (in kJ) for the following: Ca(OH)2(s)+2H3AsO4(aq)→Ca(H2AsO4)2(aq)+2H2O(l) Ca(OH)2(s) =-986.6 kJ/mol H3AsO4(aq) =- 900.4 kJ/mol Ca(H2AsO4)2(aq) =- 2346.0 kJ/mol

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A: The enthalpy of the reaction is considered as the state function that is it depends only on the…

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A: delta H is a extensive property....

Q: When NaOH is neutralized by HCl as shown: NaOH (aq) + HCl (aq)  H2O (l) + NaCl (aq) ΔH = - 56.13…

A: The balanced reaction taking place is given as, => NaOH (aq) + HCl (aq) --------->  NaCl (aq)…

Q: When 13.8 ml of 0.870 M lead(II) nitrate reacts with 90.0 ml of 0.777 M sodium chloride, 0.579 kJ of…

A: Using mole-mole analysis and thermochemistry concepts we can solve this question.

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Q: When 13.8 mL of 0.870 M lead(I) nitrate reacts with 90.0 mL of 0.777 M sodium chloride, 0.579 kJ of…

A: Number of moles = Molarity x Volume (L)

Q: Given the reaction: 4 Fe(s) + 302(g) → 2 Fe203(s) A H= -1652 kJ, what is the enthalpy change when…

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Q: 9.98. Hydrogen combines with oxygen in fuel cells according to the thermochemical equation 2 H2 (g)…

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Q: the given data, calculate the heat of reaction for the following reaction: (NH4)2Cr207(5) – Cr20a(s)…

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Q: Given that at 298.15K the standard enthalpies of formation (AH,) of nitric oxide is 90.25 kJ and…

A: Since you have posted multiple questions. I will answer only first  question as per our guideline.…

Q: 3 NaOH(aq) + H3PO4(aq) = Na3PO3(aq)+3H2O(l)          Change is H= -173.7kJ If 31.2 mL of 0.45 M…

A: Moles of sodium hydroxide taken = concentration of sodium hydroxide X volume of sodium hydroxide…

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Q: 3. Calculate AH° for the reaction GeO(s) + ½ O2(g) → GeO2(s) given the following thermochemical…

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Q: Given the reaction: 4 Fe(s) +302(g) → 2 Fe,03(s) A H= -1652 kJ, what is the enthalpy change when…

A: Given reaction is  4 Fe(s) + 3 O2(g) ----> 2 Fe2O3(s) ; ∆H = -1652 kJ  We need to find the…

Q: Calculate the enthalpy of reaction for the following reaction: NaOH(s) + HCI(g) ----> NaCI(s) +…

A: Given  Enthalpy of Formation of NaCl(s)   = - 411 KJ/ mole  Enthalpy of formation of H2O(g)    =…

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A: We can solve ∆H by the following formula  ∆Hrxn =   -Qrxn

Q: Given the following reactions, calculate AH for Mn + O2 MnO2 3 MnO2 + 4 AI 3 Mn + 2 Al2O3 AH = -…

A: ΔH for the given reaction can be obtained using Hess's law.  Hess's law states that the overall…

Q: For the chemical reaction: CaO(s) + 3C(s) -> CaC2(s) + CO(g); deltarH = + 464.8 kJ/mol-rxn. What is…

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Q: Calculate the heat of reaction (∆Hrxn) for the decomposition of Co3O4:  Co3O4 (s)   -->    3 Co(s)…

A: Interpretation-  To determine the heat of reaction (∆Hrxn) for the decomposition of Co3O4 in the…

Q: When 13.8 mL of 0.870 M lead(1I) nitrate reacts with 90.0 mL of 0.777 M sodium chloride, 0.579 kJ of…

A: The balanced reaction taking place is given as, => Pb(NO3)2 (aq) + 2 NaCl (aq) ----> PbCl2 (s)…

Q: heat of reaction for the following reaction:   (NH4)2Cr2O7(s) → Cr2O3(s) + N2(g) +4H2O(g)

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Q: A 200 ml sample of 0.600 M aqueous hydrochloric acid is added to 300 mL of 0.400 M aqueous ammonia…

A:

Q: Calculate "q" (in kJ) for the following reaction if 11.35 grams of SOo(g) reacted with excess…

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Q: 4 NH3(g) + 5 O2{g) → 2 N2(g) + 6 H2O(1) AH° = kJ m the following enthalpy changes, calculate the…

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Q: Using the following reactions: NO (g) + 0.5 O 2 (g) --> NO 2 (g)             ∆H = 50 kJ x    N 2O 4…

A: Determine  the enthalpy change of the given reaction.

Q: Calculate AH for the reaction: NO (g) + O (g) → NO2 (g) AH. = ? From given the following…

A:

Q: Calculate Q(kJ )for the conversion of 2.390 g of solid aluminum oxide into aluminum and oxygen?

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Q: Silver (Ag, 107.9 g/mol) oxidizes to form Ag2O (231.7 g/mol).  The molar heat of formation (ΔHfo) of…

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Q: Using the data in the table below, calculate AH° in kilojoules for the following reactions. Standard…

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Q: Magnesium reacts with hydrochloric acid to produce hydrogen gas. ΔH°f for HCl(aq) = –167.16 kJ/mol…

A: Given: ∆Hf° HCl(aq) = -167.16 kJ/mol ∆Hf° MgCl2= - 801.17 kJ/mol

Q: When 13.8 mL of 0.870 M lead(II) nitrate reacts with 90.0 ml of 0.777 M sodium chloride, 0.579 kJ of…

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A:

Q: Calcium hydroxide reacts with hydrochloric acid by the following equation: Ca(OH)2(aq) + 2HCI(aq) →…

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Q: 6A + 2C 6D Determine the enthalpy(AH) in kJ of the above reaction using the reactions below: 6B 2C…

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Q: 3. Calculate the AH for the reaction NO(g) + O(g) NO2(g) given the following information: NO(g) +…

A:

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

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Q: 302(g) → 203(g) Given the following information: AH,xn +285 kJ ASxn -137 J/KI (Enter your answer to…

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Q: How much heat is released at constant pressure if 12.3 mL of 0.161 M silver nitrate is mixed with…

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Q: Given the following reactions: Fe2O3(s) + 3 CO(g)→2 Fe(s) + 3 CO2(g); ΔH = −28.0kJ 3 Fe(s)+ 4…

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Q: Given the standard enthalpy changes for the following two reactions: (1) 2Pb(s) + O₂(g) → 2PbO(s)…

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