Consider the following thermochemical equation: S8 + 8 H2 → 8 H2S ArH = -161.6 kJ/mol-rxn a. Determine qrxn if 0.250 mol H2S is produced. b. Determine grxn when 10.0 g of S8 reacts with excess H2. c. Determine qrxn when 10.0 g of H2 reacts with excess S8.

Q: Consider the following balanced thermochemical equation for a reaction sometimes used for H2S…

A: The given chemical reaction is: 18S8s + H2g → H2Sg The value of ∆H for the reaction is -20.2 kJ.…

Q: Given the following thermochemical equations: (a) 4 NH3(g) + 3 O2(g) → 2 N2(g) + 6 H2O(l) ∆H =…

A: Hess's law states that if a reaction takes place in more than one step then the enthalpy change for…

Q: Given the following thermochemical equations, find ΔH° for the following reaction: 2NH3(g) + 2O2(g)…

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Q: when 1.098 g of benzoic acid C7H6O2 (122.12 g/mol) is burned in a bomb calorimeter the temp rises…

A: Given : Mass of benzoic acid = 1.098g Initial temperature = 21.44 degrees Celsius Final temperature…

Q: much heat will be released (∆H) if 0.2447 mol of NH₃ are mixed with 0.20 mol of O₂ in the following…

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Q: Given the following thermochemical equations, AH° = -1132 kJ 4NH3(g) + 702(g) → 4NO2(g) + 6H2O(3)…

A: To calculate the ∆Ho for the given reaction , by using the given ∆Ho for above two reactions , we…

Q: The following thermochemical equation is for the reaction of nitrogen(g) with hydrogen(g) to form…

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Q: Methanol (CH3OH) is also known as wood alcohol and can be used as a fuel. When one mole of methanol…

A: When one mole of methanol is burned, 1453 kJ of heat are evolved. Means ; 1 mole methanol = 1453 KJ…

Q: Consider the following balanced thermochemical equation for a reaction sometimes used for H2S…

A: Given,  18S8(s) + H2(g) → H2S(g),                  ΔHrxn = −20.2 kJ18  mole of S8 sulphur react to…

Q: How many grams of H2(g) would have to react to produce 36.4 kJ of energy?

A: A balanced stoichiometric chemical equation which also includes the enthalpy change, ΔH is defined…

Q: 4. Given the thermochemical equations C3H6(g) + H₂(g) → C3H8(g) ΔΗ® = -124 kJ ΔΗΘ = -2220 kJ C3H3(g)…

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Q: The following thermochemical equation is for the reaction of nitrogen(g) with hydrogen(g) to form…

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Q: 2NaHSO4(s)  ----> Na2SO4(s)  + H2O(g) + SO3(g)   ΔH = -231.3 kJ If 3.60 grams of Na2SO4(s) is…

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Q: A propellant for rockets is obtained by mixing the liquids hydrazine, N2H4, and dinitrogen…

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Q: The following thermochemical equation is for the reaction of ammonium nitrate(s) to form dinitrogen…

A: Given: The given reaction and its energy is,

Q: Given the thermochemical equation 2SO2(g) + O2(g) → 2SO3(g)          ΔH= –198 kJ/mol How much heat…

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Q: Oxidation of CIF by F2 yields liquid CIF3, an important fluorinating agent. Use the following…

A: The chemical equation that describes the oxidation of ClF by F2 is as follows,

Q: Consider the following balanced thermochemical equationfor a reaction sometimes used for H₂S…

A: Reactions are classified as exothermic and endothermic depending on whether these are associated…

Q: According to the following thermochemical equation, what mass of HF (in g) must react in order to…

A: Molar mass of HF=(1+19) g/mol=20 g/mol

Q: Given the thermochemical equation SO2(g) + 1/2 O2(g) ---> SO (g) ΔH = -99kJ/mol how much heat is…

A: Given :-  SO2(g) + 1/2O2(g) → SO3(g)  ∆H = -99kJ/mol  To calculate :-  amount of heat evolved from…

Q: Given the following thermochemical equations, 4B(s) + 3O2(g) → 2B2O3(s)…

A: In Decomposition reaction, a single component decomposes into two or more components.  Decomposition…

Q: Given the thermochemical equation: 2N205 (g) → 4NO2(g) + O2(g) AH = 110 kJ/mol How many kJ of energy…

A: Balanced chemical equation: 2N2O5 (g)  ------>  4NO2 (g)  +  O2 (g)   ∆H = 110kJ Number of mol =…

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A: Reaction of Nitroglycerin and heat released given as :

Q: Calorimeter mass  162.2 g Mass of calorimeter + cold water 226.6 g Initial temperature of cold water…

A: Mass of calorimeter = 162.2 g Mass of calorimeter + cold water = 226.6 g Mass of cold water = 64.4g…

Q: The following thermochemical equation is for the reaction of bromine trifluoride(g) to form…

A: The balanced reaction taking place is given as, => 2 BrF3 (g) ----> Br2 (g) + 3 F2 (g)…

Q: ..Using the thermochemical equation below, what mass of H2O (in g) will be formed when 459 kJ of…

A: The reaction taking place is given as, => SiO2 (s) + 4 HF (g) ------> SiF4 (g) + 2 H2O (l)…

Q: How much heat will be released (∆H) if 0.5417 mol of NH₃ are mixed with 0.20 mol of O₂ in the…

A: The given reaction is: 4 NH₃ (g) + O₂ (g) → 2 N₂H₄ (g) + 2 H₂O (g) That is, 4 moles of NH3 reacts…

Q: When 1 mol of NO(g) forms from its elements, 90.29 kJ of heat is absorbed. (a) Write a balanced…

A: Number of atoms, ions and molecules present on a given amount can be determined by “Mole Concept”.…

Q: The following thermochemical equation is for the reaction of iron(s) with chlorine(g) to form…

A: You have given the chemical reaction - 2Fe + 3Cl2  => 2FeCl3            dH = -799 KJ

Q: Given the following thermochemical equations: 2NO(g) + O2(g) → 2NO2(g) ∆H° = -113.2 kJ 2N2O(g) +…

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Q: [References] Use the References to access important values if needed for this question. When CO(g)…

A: The evolved energy for each mole of CO which is reacting is given as 283 kJ The reaction is as…

Q: The chemical equation describing the conversion of SO2 into SO3 is shown below. Calculate the heat…

A: Given Mass of O2 = 9.4 g ∆H = -99.1 KJ Molar mass of O2 = 32 g/mol

Q: Balance the following reaction and then answer the questions. _____H2 + _____Br2 + 72.8kJ → _____HBr…

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Q: The following thermochemical equation is for the reaction of ammonia(g) with oxygen (g) to form…

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Q: 7. Consider the following balanced thermochemical equationfor a reaction sometimes use for H2S…

A: Given that -  1/8S8(s) + H2(g) -----> H2S(g) , ∆Hrxn = -20.2 kJ   Here, 1/8 = 0.125 moles…

Q: Given the following equations:            4 NH3(g) + 5 O2(g) → 4 NO(g) + 6 H2O(l)   ΔH° = -1170 kJ…

A: In-order to find the enthalpy change of the desired reaction, the given reactions has to be written.…

Q: Diborane (B2H6(g)) is a highly reactive boron hydride, which was at one time considered as a…

A: Given:- 1)2 B(s) + 3/2 O2(g) ---> B2O3(s)                                  ΔH = -1273 kJ/rxn 2)…

Q: The following thermochemical equation is for the reaction of hydrogen peroxide(l) to form water()…

A: The given reaction is:2 H2O2 (l) → 2 H2O (l) + O2 (g)       △H = -196 kJThe negative sign of △H…

Q: The following thermochemical equation is for the reaction of nitrogen(g) with oxygen(g) to form…

A: Nitrogen reacts with oxygen to form nitrogen dioxide. The equation for the balanced chemical…

Q: reaction sometimes used for H2S production: ⅛S8(s) + H2(g) → H2S(g) ∆Hrxn = -20.2 kJ (a) Is this an…

A: As you not specified so I am giving answer of 1first question as per guidlines Reaction is…

Q: 22. Consider the following reaction.  N2 + 3 H2 -> 2 NH3        ΔH = -92 kJ/mol How many grams of…

A: Using stochiometric analysis we have solved this problem.

Q: Given the following equations:                4 NH3(g) + 5 O2(g) → 4 NO(g) + 6 H2O(l)   ΔH° = -1170…

A: Hess’s Law applies to the change in enthalpy that occurs when some reactants are converted to…

Q: 2. Consider the following thermochemical equations: C(graphite) + 0, (g) → co; (g) AH = -393.5 kJ H2…

A: Combustion is defined as the process in which addition of oxygen takes place.

Q: Given the following thermochemical equations: 7. AH 180.75 kJ 2 NO (g) O2 (g) N2 (g) = + + AH 92.47…

A: Given thermo-chemical equations are,

Q: The following thermochemical equation is for the reaction of hydrogen chloride(g) with oxygen(g) to…

A: Given, the thermochemical equation for the reaction of hydrogen chloride(g) with oxygen(g) to form…

Q: Nitroglycerine, C3H5(NO3)3(l), is an explosive most often used in mine or quarry blasting. It is a…

A: Nitroglycerine, on detonation, gives CO2, H2O, N2, O2 gases. It releases 6.26 KJ of energy per gram…

Q: According to the following thermochemical equation, what mass of C3H18 (in g) must react in order to…

A: We have to calculate the mass of octane required.

Q: What mass of methane (CH4) must be burned to release 185 kJ of heat?        CH4(g) + 2O2(g) à…

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Q: Methanol (CH3OH) is also known as wood alcohol and can be used as a fuel. When one mole of methanol…

A: The amount of substance is usually defined in terms of mole. The mole is the SI unit of the quantity…

Q: Methanol (CH3OH) is also known as wood alcohol and can be used as a fuel. When one mole of methanol…

A: