What is the molar energy of combustion (in kJ/mol) of C4H10 when 1.50 g of C4H10 burns completely in excess O2 gas at constant pressure, temperature 298 K and releases -32.5 kJ of energy? 2 C4H10 + 13 O2 → 8 CO2 + 10 H2O   Question options: a. 2.56 × 102 kJmol-1 b. 1.26  kJmol-1 c. 126 kJmol-1 d. 1.26 × 103 kJmol-1

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Q: Consider the following thermochemical equations (Note: HA is a weak acid) H+(aq) + OH-(aq) → H2O(l)…

A: Choose the equation that shows the correct relationship between their enthalpy changes--

Q: The standard enthalpies of formation, at 25.00 °C, of ​​methane (CH4(g)), water (H,O(1)), and carbon…

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Q: Macmillan Learning A 3.039 g sample of a new organic material is combusted in a bomb calorimeter.…

A: Heat absorbed by the calorimeter is given by: q=CvΔT Where, q = heat absorbed by the calorimeter…

Q: T29 Given the thermochemical equation, 2 NO2 (g) → N204 (g) Delta H = - 57.2 kJ what is the enthalpy…

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Q: Question 2-All of the following questions refer to this thermochemical equation-use your appendix II…

A: Given: Volume of O2 gas = 10.0 L Temperature = 20 oC Pressure = 1 atm

Q: 1. If 0.250 g of fuel increases the temperature of a calorimeter by 20 °C, and the calorimeter is…

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Q: 1. Calculate the mass of methane (CH4) combusted when 2500 kJ of en- ergy is released according to…

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Q: Question 8: Standard enthalpy of reactions can be calculated from standard enthalpies of formation…

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Q: Given the following thermochemical reaction equations: A + B C AH =433 kJ/mol and 2D C AH =282.6…

A: ∆H of a reaction in magnitude remains same only sign changes when a reaction reversed.

Q: Part E When a 3.28 g sample of solid sodium hydroxide was dissolved in a calorimeter in 100.0 g of…

A: Part E Given that : Mass of solid NaOH = 3.28 gm  Mass of water = 100 gm  Initial temperature =…

Q: Given the reaction CH3COCH3(1) + 402(g) → 3CO2(g) + 3H₂O(g) Determine the AH, for CH3COCH3(1) ΔΗ = =…

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Q: Calculate the AH for the reaction below based on the following enthalpy values: C3H8 (g) +502 (g)…

A: The standard enthalpy of formation is the enthalpy change of reaction in standard conditions when…

Q: What mass of oxygen is consumed when 285.5 kJ of energy is evolved from the combustion of a mixture…

A: Consider the given balanced reaction as;                          H2 g + 12 O2 g → H2O l…

Q: 2. The following reactions are related to the dissociation of sulfuric acid. Calculate the enthalpy…

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A: To find out the temperature value ,we will use equation for change in free change .  When delta is…

Q: The reaction of methane(g) with oxygen (g) to form carbo lioxide(g) and water(g) proceeds as…

A: CH4 (g) + 2O2 (g)  →  CO2 (g) + 2 H2O (g)Mass of CH4 = 4.78 g∆H for the reaction of 4.78 g of CH4 =…

Q: The following equation represents the complete combustion of cyclopropane. What is the standard…

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Q: How much heat is produced by the complete reaction of 3.43 kg of nitromethane? Express your answer…

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Q: C2H5OH + 3O2 → 2 CO2 + 3H2O      ΔH = -1366.7 kJ/mol What is the amount of heat produced when 12.52…

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Q: MISSED THIS? Watch KCV: Determining the Enthalpy of Reaction from Standard Enthalpies of Formation,…

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Q: Part A: D CH4= 1640 kJ/mol Part B: D O2= 498 kJ/mol Part C: D H2O= 920 kJ/mol(as an integer) Part D:…

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Q: Question 43 How much energy is released during the reaction of 51.0 g of AI, according to the…

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Q: Question 16 Use the standard reaction enthalpies given below to determine AH°rxn for the following…

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Q: Consider the problem below: (Equation 1) 2 HF(g) ---> H2(g) + F2(g) ΔH = 537 kJ/mol (Equation 2)…

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Q: Ethanol, C2H5OH, undergoes combustion in oxygen to produce carbon dioxide gas and liquid water…

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Q: 06 Question e See page 467 A bomb calorimeter can be used to measure the enthalpy of reaction for…

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

A: 2Fe(s) + 3Cl2(g)2FeCl3(s) When 11.8 g Fe(s) reacts with sufficient Cl2(g), 84.4 kJ is evolved We…

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

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Q: Question 1 The thermochemical equation for the combustion of ethane C2H6 is 2 C2H6 (g) + 7 02 (g)→4…

A: Mass of Ethane : 16.3 g  Molar mass of Ethane , C2H6 = 30 g/mol Energy released = ?

Q: Calculate the change in heat in kJ/mol of the following reaction in a bomb calorimeter: NaOH(s) +…

A: NOTE: Mass of HCl given looks incorrect and is anyway not required as the concentration and volume…

Q: Answer the following stoichiometry question  If the reaction of the combustion of ethane 2C4H10(g)…

A: Given,The reaction:2 C4H10 (g) + 13 O2 (g)  8 CO2 (g) + 10 H2O (g)   5760 kJ of heat released in the…

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

A: Given  Reaction  2C(s) + 3H2(g)  +  12O2(g)   →  C2H6O(g) Mass of H2  = 11.2 gram  Molar mass of H2…

Q: 9. What would be the final temperature if 8.94 x 103 joules of heat were added to 454 grams of…

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Q: How much heat (in kJ) is released when 160 grams of CH4 is burned with 2000. grams of O2? If the…

A: 1- First calculate the moles of CH4 and O2 gas  a) moles of CH4 = ( 160g / 16gmol-1 )  Molar mass of…

Q: Based on the following reactions: Rxn A: C(s) + O2(g) CO2 (g) AH C = -393.5 kJ/mole Rxn B: C8H18() +…

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Q: For which of the following reactions is AHîxn equal to AH; of the product(s)?You do not need to look…

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Q: Draw a complete enthalpy diagram for the following reaction: 4Na(s) O2(g) → 2Na₂O(s) ΔΗ = - 178 kJ

A: Enthalpy diagram is drawn as enthalpy versus time OR progress of reaction .  The shape of diagram…

Q: 7. Determining the Sign of AH Indicate the sign of the enthalpy change, AH, in these processes…

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Q: 2.What is the overall internal energy for a system that absorbs 188 J of heat and does 141 J of work…

A: Q.2) Given=> Heat absorb(H) = 188 J                          Work done(W) = 141 J •Here work is…

Q: The reaction of carbon dioxide (g) with hydrogen (g) to form carbon monoxide (g) and water(g)…

A: Recall the given reaction,                  CO2 g  +  H2 g  →  CO g  +  H2O g12.7 g of CO2 g…

Q: Answer the following questions about the chemical reaction shown below. Thermo data is provided.…

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Q: Consider the following thermochemical equations (Note: HA is a weak acid) H+(aq) + OH-(aq) → H2O(l)…

A: This question can be solved using Hess's law of constant heat summation.

Q: Calculate the enthalpy of reaction (AH) in kJ for the following hypothetical reaction: S+T P+Q…

A: If we add two or more reactions then their enthalpies are also added. see the solution

Q: At constant pressure, the combustion of 11.14 g of C₂H6(g) releases 518.0 kJ of heat. What is AH (in…

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