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 heat is released at constant pressure. What is AH° for this reaction? Pb(NO3)2(aq) + 2NaCI(aq) → Pb Cl2(s) + 2NANO3(aq) а. 31.6 kJ b. 23.3 kJ С. 39.9 kJ d. 48.3 kJ e. 57.6 kJ

Q: See image below. The answer I got is  -626.58 kJ...is that correct?

A: Yes the answer which you got as per the given values is correct. The ΔH of the given reaction can be…

Q: CaCl2 (MM = 110.98 g/mol) is used as road salt in the winter to minimize the accumulation of ice on…

A: On adding dissolving CaCl2, the temperature will change from initial value. Heat absorbed by water…

Q: The reaction of hydrogen sulfide(g) with oxygen(g) to form water(l) and sulfur dioxide(g) proceeds…

A: The given reaction is, 2H2S (g)+ 3O2 (g) → 2H2O (l) + 2SO2 (g) Given that: mass of H2S = 7.60 g…

Q: THERMODYNAMICS: Calculate the value of AH (in kJ) for the reaction, AR3 (g) + Q (s) → A2R4 (g) + QR2…

A:

Q: Calculate the AH (in kJ) for the following reaction, the preparation of nitrous acid HNO2: HCI(g) +…

A: Given: 2NaCl(s)+H2O(l)→2HCl(g)+Na2O(s)  ∆H=+507.31 kJ.... (1)  NO(g)+NO2(g)+Na2O(s)→2NaNO2(s)…

Q: Calculate the value of AH° for the reaction N₂(g) + O₂(g) → 2NO(g). 4NH3 (g) +50₂ (g) → 4 NO (g) +…

A: For such type of questions, we have to deduce the required equation by using the given chemical…

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: 2 CIF(g) + O2(g) 2 CIF3(g) + 2 O2(g)- 2F2(g) + O2(g) - Cl20(g) + F2(g) Cl20(g) + 3 F2O(g) 2 F20(g)…

A:

Q: Consider the following balanced thermochemical equation for the decomposition of the mineral…

A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If…

Q: The lead-acid storage battery is the oldest rechargeable battery in existence. It was invented in…

A: H2SO4 (l)  ---->  SO3 (g)  +  H2O (l)                                 ∆H1= +113…

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…

Q: When 50.0 mL of 0.100 M AgNO3 and 50.0 mL of 0.100 M HClare mixed in a constant-pressure…

A: Given: Specific heat of water = 4.18 J/g⋅∘C. Mass of solution = 100 g. Initial temperature (T1) =…

Q: Consider the following balanced thermochemical equation for the decomposition of the mineral…

A: Since you have posted a question with multiple subparts, we will solve the first three subparts for…

Q: Calculate AH for the following balanced reaction in kJ: 3NO2 (9) + H20 (1) → 2HNO, (aq) + NO (g)…

A: Given balanced reaction,      3 NO2(g) + H2O(l) → 2 HNO3(aq) + NO(g)

Q: The oxidation of copper(I) oxide, Cu2O(s)Cu2O(s), to copper(II) oxide, CuO(s)CuO(s), is an…

A: Answer :- 96.38 kJ The energy released when 94.40 g Cu2O(s) undergo oxidation at constant pressure…

Q: Calculate the work done when 50 g of iron reacts with hydrochloric acid in an open beaker at 25⁰C?…

A: Solution - According to the question -   Given -   Molar mass of Fe=56g   Given mass of Fe=50g…

Q: The oxidation of copper(I) oxide, Cu2O(s), to copper(II) oxide, CuO(s), is an exothermic process, 2…

A: the solution is as follows:

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: When a 4.18 g  sample of solid sodium hydroxide was dissolved in a calorimeter in 120.0 g  of water,…

A: ΔH (in kJ/mol NaOH) for the following solution process is to be calculated NaOH(s)→Na+(aq)+OH−(aq)

Q: Considering the limiting reactant, how much heat is produced at constant pressure if 0.654 g of zinc…

A: Recall the given reaction Zns + 2HClaq → ZnCl2aq + H2g  , ∆H°=-153 kJ As ∆H° is negative ,so the…

Q: Use Equations a and b to determine ΔH for the following reaction.2CO(g) + 2NO(g) → 2C O 2 (g) + N 2…

A: The main equation or primary equation can be obtained by inverting equation (b) and then adding it…

Q: a In the reaction of two moles of gaseous sulfur dioxide and one mole of gaseous oxygen to form two…

A: We can solve Given problem by using formula ∆H = ∆U + W Where  ∆H = enthalpy change  ∆U = Internal…

Q: Consider the following balanced thermochemical equation for the decomposition of the mineral…

A: Thermochemical equation :-  A chemical equation in which heat changes involved during the reaction…

Q: Calculate  ΔH⁰298   (in kJ) for the process Co3O4(s) → 3 Co(s) + 2 O2(g) from the following…

A: Given    Co(s)  +  12 O2(g)   →  CoO(s)            ∆H°298  =  - 237.9 KJ            ( Equation 1 )…

Q: Calcium carbide, CaC2, is manufactured by reducing lime with carbon at high temperatures. (The…

A: CaO(s) +3C(s) ......> CaC2 + CO(g) dH = 464.8KJ  Above reaction is endothermic. Because change in…

Q: Consider the combustion of liquid methanol, CH30H (1) CH,OH() + 0:(8) – co.(8) + 2 H,0(1) AH =…

A: Given  CH3OH(l) + (3/2) O2(g) ---> CO2(g) + 2H2O (l)  ∆H = -726.5 kJ

Q: Calculate q (kJ) for the conversion of 2.95 grams of solid aluminum oxide into aluminum and oxygen?…

A:

Q: THERMODYNAMICS: Calculate the value of AH (in kJ) for the reaction, 2AR3 (g) + Q (s) A2R4 (g) + QR2…

A: The given hypothetical thermochemical equations : 2AR3(g)  +  2AX(g)  →  A2R4(g)  +  2XAR(g)…

Q: When a 4.18 g sample of solid sodium hydroxide was dissolved in a calorimeter in 120.0 g of water,…

A: ΔH (in kJ/mol NaOH) for the following solution process is to be calculated NaOH(s)→Na+(aq)+OH−(aq)

Q: Consider the combustion of liquid methanol, ??3?? (?) CH3OH (l) + 3/2 O2 (g) → CO2 (g) + 2 H2O (l)…

A: Given reaction is :  CH3OH (l) + 3/2 O2 (g) → CO2 (g) + 2 H2O (l) Enthalpy change of the reaction in…

Q: When 56.8 g of lead reacts with 3.50 L of oxygen gas, measured at 1.00 atm and 25.0°C, 60.1 kJ of…

A: The enthalpy change of this reaction can be calculated by finding the limiting reactant amobg the…

Q: (4) NHẠC|(s) → NH318) + HC\6) ΔΗ4? Solid ammonium chloride sublimes (i.e., changes from a solid to a…

A: To find out the enthalpy of sublimation and decomposition of ammonium chloride in terms of the…

Q: CaCl2 (MM = 110.98 g/mol) is used as road salt in the winter to minimize the accumulation of ice on…

A: On adding dissolving CaCl2, the temperature will change from initial value. Heat absorbed by water…

Q: THERMODYNAMICS: Calculate the value of AH (in kJ) for the reaction, 2AR3 (g) + Q (s) →A2R4 (9) + QR2…

A: We are given an aim reaction. For which we have to find its ∆H , we are also being given its…

Q: Considering the limiting reactant, how much heat is produced at constant pressure if 0.243 g of…

A:

Q: For a chemical reaction, if AG°298 -169.8 kJ and AH°298 = -17.3 kJ, what is AS° (in kJ/K) for the…

A:

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

A:

Q: Calculate AH for the reaction, C,H,(g) + H,(g) → C,H,(g) Given: (a) 2 C,H,(g) + 5 0,(g) →4 CO,(g) +2…

A:

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

A: The reaction given is  The value of ΔH of the reaction = -126 KJ. And mass of Na2O2 reacting = 25.0…

Q: How much heat (k.) is evolved when 4.50 g of Fe2O3 is reacted with excess carbon monoxide using the…

A:

Q: Calculate q (kJ) for the conversion of 2.97 grams of solid aluminum oxide into aluminum and oxygen?…

A:

Q: Calculate AH for the process: N2(g) + 202(g) → 2NO2(g) from the following information: N28) +O2(g) →…

A:

Q: 10. Calculate AH for the reaction CH4 (g) + NH3 (g) → HCN (g) + 3 H2 (g), given: a. N2 (g) + 3 H2…

A: Ans  Enthalpy change for the reaction can be calculated by using Hess laws

Q: Calculate the ΔHo for methane gas , CH4, produced from graphite and hydrogen gas according to the…

A: The enthalpy change is defined as the amount of heat absorbed or evolved in the transformation of…

Q: 3. The AH for N2 + O2 →2 NO is 181 kJ. What is the AH for this reaction? NO 1/2 N2 + 1/2 O2

A: Given information: N2+O2→2NO           ∆H=181 kJ               equation-1

Q: the laboratory, POCl3 (phosphorus oxychloride) is used in the manufacture of phosphate esters, which…

A:

Q: Zinc metal reacts with hydrochlonic acid according to the following balanced equation. Zn(s) +…

A:

Q: Part A. In the late eighteenth century Priestley prepared ammonia by reacting HNO3(g) with hydrogen…

A: HNO3(g) + 4H2(g) → NH3(g) + 3H2O(g) ΔH = –637 kJ From this data we get that , When 4 mole Hydrogen…

Q: What is the change in enthalpy in joules when 5.44 × 10⁻⁴ mol of AgCl dissolves in water according…

A: The reaction given is  AgCl(s) → Ag⁺(aq) + Cl⁻(aq)                                               ∆H…