The reaction of ammonia(g) with oxygen(g) to form nitrogen monoxide(g) and water(g) proceeds as follows: 4NH3(g)  +  5O2(g)4NO(g) + 6H2O(g) When 5.96 g NH3(g) reacts with sufficient O2(g), 79.2 kJ is evolved. Calculate the value of rH for the chemical equation given.

Q: Automobiles and trucks pollute the air with NO. At 2000.0°C, Kc for the reaction is 4.62  × 10–4,…

A: Solution- van't Hoff equation:  InK2K1= -AHRx 1T2-1T1K1 = 4.62 x 10-4, K2 = ? T1 = 2000oC= 2273.15…

Q: A 60.0 mL sample of 1.0 M NaOH is mixed with 45.0 mL of 1.0 M H2SO4 in a large Styrofoam coffee cup;…

A: The heat given off by the neutralization reaction is equal to the heat absorbed by the solution and…

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, 2AR3 (g) + Q (s) → A2R4 (g) +…

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Q: tWo steps in thể usual industrial preparation of acrylic acid, the immediate precursor of several…

A: The question is based on Hess law. it  states that net enthalpy change for the reaction remains same…

Q: ΔH for the following reaction is -1789 kJ. Use this and Equation a todetermine ΔH for Equation…

A: There are two equations given: 4Al (s) + 3MnO2 (s) → 2Al2O3 (s) + 3Mn (s)              ΔH = -1789 kJ…

Q: When 20.0 mL of 0.200 M A9NO3 and 30.0 mL of 0.100 M NaCl, both at 24.72°C, are mixed in a…

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Q: Deterioration of buildings, bridges, and other structures through the rusting of iron costs millions…

A: The balanced reaction taking place is given as, => 4 Fe (s) + 3 O2 (g) → 2 Fe2O3 (s)…

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

A: Using Hess law of thermodynamics

Q: The reaction of nitrogen monoxide(g) with hydrogen(g) to form nitrogen(g) and water(1) proceeds as…

A:

Q: The reaction of iron(s) with chlorine(g) to form iron(III) chloride proceeds as follows: 2Fe(s)+…

A: The iron metal reacts with the chlorine gas to form iron(III) chloride. The equation for the…

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

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Q: 3Fe2O3(s) + H2(g)---->2Fe3O4(s) + H2O(g) When 55.9 g Fe2O3(s) reacts with sufficient H2(g), 0.700…

A: 55.9 gm of Fe2O3 evolve = 0.7 KJ energy For this reaction, 3 moles of Fe2O3 required. So, in 3 moles…

Q: Perchloric acid (HCIO4) and sodium hydroxide (NaOH) react to form water and aqueous sodium…

A: we have to calculate the enthalpy change for the reaction

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

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Q: The reaction of hydrogen(g) with oxygen(g) to form water(g) proceeds as follows: 2H2(g) +…

A:

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

A: According to Hess's law, the enthalpy change in an overall chemical reaction is equal to the sum of…

Q: The combustion reaction of octane is represented by the following equations: 2C8 H18 (1) + 25 O2 (g)…

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

Q: Zinc metal reacts with hydrochloric acid according to the balanced chemical equation.  Zn(s) + 2…

A: Given mass of Zn = 0.103 g volume of solution = 50 ml density of solution = 1g/ml standard value.…

Q: Calculate ΔG∘rxn for the reaction   BaCO3(s)→BaO(s)+CO2(g) Use the following reactions and given…

A: The delta G generally equation is as follows,

Q: Hydrogen cyanide is used in the manufacture of clear plastics such as Plexiglas. It is prepared from…

A: From given  Initially we are finding steam produced in moles and then we are calculating q value as…

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: Calculate ΔH∘ΔH∘ in kilojoules for the reaction of acetylene (C2H2)(ΔH∘f=227.4kJ/mol) with O2O2 to…

A:

Q: When a 8.52 g sample of solid potassium hydroxide dissolves in 123.2 g of water in a coffee-cup…

A: Given that:Mass of solid KOH = 8.52 gMass of water = 123.2 gTemperature changes from 21.6oC to…

Q: Hydrogen cyanide is used in the manufacture of clear plastic such as plexiglas. it is prepared from…

A: Given reaction: 2NH3 (g) + 3O2 (g)  + 2CH4 (g)  ---->  2HCN(g)  + 6H2O(g)  Enthalpy change of the…

Q: MTBE, a gasoline additive, undergoes combustion according to the following equation: 2 C5H12O…

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

Q: The reaction of carbon monoxide(g) with oxygen(g) to form carbon dioxide(g) proceeds as follows:…

A: The balanced reaction taking place is given as, => 2 CO (g) + O2 (g) ----> 2 CO2 (g)…

Q: Limestone stalactites and stalagmites are formed in caves bythe following reaction:Ca2+ (aq) + 2…

A: The chemical reaction is as follows:

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

A:

Q: Nitric acid (HNO3) and potassium hydroxide (KOH) react to form water and aqueous potassium nitrate…

A: we  have to calculate  ΔHrxn for the formation of one mole of water in the given reaction in kJ/mol

Q: Two gaseous pollutants that form in auto exhausts are CO and NO. An environmental chemist is…

A:

Q: Hydrogen cyanide is used in the manufacture of clear plastics such as Plexiglas. It is prepared from…

A: In this question, we will determine the value of heat ( q ) in kJ unit.  You can see step by step…

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: Aluminum metal can be produced by reducing solid aluminum oxide (Al2O3) with carbon (graphite).…

A:

Q: Consider the reaction  H2(g) + Cl2(g) → 2HCl(g) ΔH = −184.6 kJ / mol If 7.00 moles of H2 react with…

A: Given,

Q: What volume of benzene (C6H6, d= 0.88 g/mL, molar mass = 78.11 g/mol) is required to produce 1.5 x…

A:

Q: Given the following reactions N2 13 + O2 (g) → 2 NO 13) AHn = +178 kJ NO2 g NO g + 1/2 02 (g) AHren=…

A: From given two chemical equation we have to calculate the enthalpy change for the reaction : 4 NO…

Q: Limestone stalactites and stalagmites are formed in caves bythe following reaction:If 1 mol of CaCO3…

A: The chemical reaction is as follows: From the 1st Law of Thermodynamic, we know ∆E = ∆U = q + w…

Q: The gas butane, C4H10(g), can be used in welding. When butane is burned in oxygen, the reaction is:…

A: Chemical equation :

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

A:

Q: The reaction of ammonia(g) with oxygen(g) to form nitrogen monoxide(g) and water(g) proceeds as…

A: Given that 3.47 g ammonia reacts with oxygen  to give  nitrogen monoxide. Number of moles of ammonia…

Q: What volume (in mL) of benzene (C6H6, d= 0.88 g/mL, molar mass = 78.11 g/mol) is required to produce…

A: Amount of reactant calculation based on stoichiometry

Q: Given the following thermochemical reactions: AH° = -818.3 kJ N2H4() + 2H2O2(g) → N2(g) + 4H20()…

A:

Q: Calculate AH for the reaction 4 NH3 (g) + 5 02 (g) --> 4 NO (g) + 6 H2O (g), from the following…

A: ∆H depends on Stoichiometry of thermochemical reaction  If a thermochemical equation is reversed…

Q: The reaction of nitrogen monoxide(g) with oxygen(g) to form nitrogen dioxide(g) proceeds as follows:…

A: The reaction under consideration is, 2NO + O2 → 2NO2 Here 2 moles of NO gas reacts with 1 mole of…

Q: What volume of benzene (CH6, d= 0.88 g/mL, molar mass = 78.11 g/mol) is required to produce 1.5 x…

A: In a thermochemical equation, the change in enthalpy represents the amount of heat exchanged per mol…

Q: When 1 mole of P4O10(s) reacts with H2O(l) to form H3PO4(aq) according to the following equation,…

A: Given data: 1P4O10(s) + 6H2O(l) -------->> 4H3PO4(aq) + 453kJ Exothermic reaction: A reaction…

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

A: