What is the AH of the following hypothetical reaction? 2A(s) + B2(g) → 2AB(g) Given: A(s) + B2(g) → AB2(g) 2AB(g) + B2(g) → 2AB2(g) AH = -771.5 kJ ΔΗ--187.5 kJ Enter your answer in decimal notation with four significant figures.

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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)…

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Q: Calculate ΔH for the reaction             C2H4(g)   +   6F2(g)  ⟶   2CF4(g)   +   4HF(g) given the…

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

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Q: The value of AH° for the reaction below is -82 kJ. kJ of heat are released when 80.9 grams of HBr is…

A: The balanced reaction given is, Given: ΔH of reaction = -82 KJ. And mass of HBr formed = 80.9 g.

Q: Using the chemical equations given below, calculate the heat of reaction for the following reaction:…

A: Given reaction,     CH4(g)+ 4 Cl 2 (g)---> CCl 4(g)+ 4 HCl(g)

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

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Q: if 11.2 g of H2 (g) (MM = 2.016 g/mol) were to react according to the balanced equation given below,…

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Q: When 4 miles of NH3 (g) react with O2 to form NO(g) and H2O(g) according to the following equation,…

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Q: Calculate the change in H for the reaction 2N2(g) + O2(g) + 3H2(g) - 2NO(g) + 2NH3(g), the following…

A: Calculate the change in H for the reaction: 2N2(g) + O2(g) + 3H2(g) —> 2NO(g) + 2NH3(g) Given…

Q: 6. The reaction for the combustion of octane, CeH18, is shown below. 2 CH18(g) + 25 0:(g)16 CO:(g) +…

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Q: The thermite reaction produces a prodigious amount of heat energy. Given the thermochemical reaction…

A: Reaction equation :8Al(s) + 3Fe3O4(s) →              4Al2O3(s) + 9Fe(s)∆H°rxn = -3350.0 kJmolMass of…

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Q: How many KJ of energy are released when 6.39 g of Fe reacts with excess O₂? Given the following…

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

A: We are to calculate "q" (in kJ) for the given reaction when 11.35 grams of SO2(g) reacted with…

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Q: Calculate "q" (in kJ) for the following reaction if 11.35 grams of SO2(g) reacted with excess…

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Q: How many grams of iron are formed when 2.28x10^3 kJ of heat evolves from the reaction?…

A: Given Reaction Fe2O3(s) +2 Al(s)  → Al2O3(s)   + 2 Fe(s)∆Hreaction  = -852 kJHeat evolves =- 2.28 *…

Q: 50. Calculate AH for the reaction: NO+ O@ J NO) I NO28) Given the following information... 203(g) 3…

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Q: Given the following thermochemical equations with hypothetical AH values: 2NH3 (g) + 3N2O (g) → 4N2…

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Q: Calculate “q” (in kJ) for the following reaction if 11.53 grams of O2(g) reacted with excess sulfur…

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

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Q: The value of ΔH° for the reaction below is +128.1 kJ: CH3OH (l) → CO (g) + 2H2 (g) How many kJ of…

A: Given: The reaction is as follows, CH3OH (l) → CO2(g) + 2H2(g)          ∆H° = +128.1 kJ Mass of…

Q: 2. Given the following data: P4(s) + 6CI2(g) →> 4PC|3(g) AHrxn = 1225.6 kJ %3D P4(s) + 502(g) →>…

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Q: Use the References to access important values if needed for this question. The reaction of hydrogen…

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Q: Question9

A: Given: ΔHo of the reaction = -336 KJ Mass of HCl = 23.0 g Molar mass of HCl = 36.46 g/mol   Chemical…

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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: The reaction for the fermentation of glucose is … C6H12O6 (aq) à 2CO2(g) + 2C2H5OH(aq)     ΔHrxn =…

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Q: Considering the following reaction: 2CO(g) + O2(g) --> 2CO2(g) AH° = -258 kJ What is the AH° for the…

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

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Q: There are two steps in the usual industrial preparation of acrylic acid, the immediate precursor of…

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Q: Suppose that a chemical equation can be written as the sum of two other chemical equations. If two…

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Q: When 2 moles of C2H6(g) react with O2(g) to form CO2(g) and H2O(g) according to the following…

A: Given : Amount of heat evolved in the reaction = 2.86 X 103 KJ And moles of C2H6 reacted = 2 moles

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 standard molar enthalpy formation of ammonia, NH3(g) is -45.92 kJ. 1/2 N2(g) + 3/2 H2(g) ==>…

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Q: 13. The value of AH° for the reaction below is +128.1 kJ: CH,ОН() —> СО(g)+ 2H ,(g) How many kJ of…

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Q: For problem #2 and #3, fill in the blanks to complete the chemical equations. 2) Fill in the blanks…

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

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Q: How much heat (in kilojoules) is evolved when 135 g of aluminum reacts completely in the following…

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Q: Please help me with this, double and triple check your answers previous tutors got it wrong.

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