Q: The Caloric Value of carbohydrates in 1g is: 4 5 1 9
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Q: If the ▲G0 for a reaction is -4.5 kcal/mol at 298 K, what is the Keq for this reaction? What is the…
A: Given: ∆Go = -4.5 kcal/mol ∆Ho = -3.2 kcal/mol
Q: What is the change in enthalpy (in kJ mol¯1) of the following reaction at 424°C? ASI3(g) - AsI3(1)…
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Q: Calculate the standard enthalpy of hydrogenation of cyclohexene to cyclohexane given that the…
A: Combustion enthalpy: the amount of heat energy released when the combustion of one mole of a…
Q: C6H4(OH)2(aq) + H2O2(aq) ® C6H4O2(aq) + 2H2O(l) hydroquinone…
A: Given: C6H4(OH)2(aq) + H2O2(aq) → C6H4O2(aq) + 2H2O(l) To find: ∆HRxN for this…
Q: What is an energy-level diagram and why it is used?
A: The energy level diagram is utilized to represent the energy states accessible in every molecule. At…
Q: C(s) + O2(g) -> CO2(g) CH4(g) -> C(s) + 2 H2(g) ∆Hrxn= +74.6 kJ/mol H2(g) + ½ O2(g)…
A: The given reactions are
Q: Using the following data reactions: DH° (kJ) H2(g) + Cl2(g) ® 2HCI(g) -184 H2(g) ® 2H(g) Cl2g) ®…
A: Bond energy is defined as the energy required to separate an isolated molecule (i.e., in gas phase)…
Q: Calculate Kc at 127 °C for the following reaction: N2O4 (g) ⇋⇋ 2 NO2 (g) Kp = 47.9 at 127…
A: Relation between Kp and Kc: Kp = Kc (RT)∆n Where, ∆n = Number of product molecules - number of…
Q: H2(g) + F2(g) C(s) + 2 F2(g) 2 C(s) + 2 H2(g) –→ C,H¼(g) AH = -537 kJ AH = -680 kJ AH = +52.3 kJ 2…
A: Given equations are, H2(g)+F2(g)→2HF(g) ∆H=-537kJ-------------(1)C(s)+2F2(g)→CF4(g)…
Q: 4. From the enthalpies of reaction H2 (g) + F2 (9) → 2 HF(g) AH = -537 kJ C (s) + 2 F2 (9) - 2 C (s)…
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Q: Use the thermodynamic quantities given below to calculate the theoretical ΔH for this reaction:…
A: The enthalpy of reaction is obtained as follows, The sum of enthalpy of formation of products and…
Q: Given the standard heats of formation for the following compounds, calculate AH 208 for the…
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Q: Calculate the heat of reaction deltaH for the following reaction: 2CH4(g)+3O2(g)——>2CO(g)+ 4H2O(g)…
A: The reaction given is, => 2 CH4 (g) + 3 O2 (g) → 2 CO (g) + 4 H2O (g)
Q: Write thermochemical equations for the decomposition of one mole of the following compounds into the…
A: The compound given is C2H5OH which is a liquid at 25 oC and 1 atm. The elements present in C2H5OH…
Q: Calculate the amount of heat released in the combustion of 0.5 mole of acetylene (C2H2) by the given…
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Q: The complete combustion of 1.20g of cinnamaldehyde (C6H8O, one of the compounds in cinnamon) in a…
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Q: 1) The molar enthalpy of combustion of ethyne, C2 H2 (g), is -1300 kJ/mol. a) Write a thermochemical…
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Q: The heat of combustion of 2-methylheptane, C8H18, is 5464 kJ/mol. How much energy is released during…
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Q: Given the following reactions: OF2 + H20 → O2 + 2 HF AH = - 295 kJ SF4 +2 H20 → SO2 +4 HF AH=-816 kJ…
A: Hess's law states that when a reaction occurs in multiple steps then its enthalpy change is the…
Q: Now consider the following reaction: C2H5OH + 3O2→2CO2+ 3H2O ,ΔH=−1370 kJ/mol What is the enthalpy…
A: Since the enthalpy of reverse reaction is given by = -( enthalpy of forward reaction) Hence the…
Q: Calculate the heat of reaction delta H for the following reaction: 2HBr(g)——> H2(g)+ Br2(g) Round…
A: Bond enthalpy of H—H = 435 kJ.mol-1 Bond enthalpy of Br—Br = 192 kJ.mol-1 Bond enthalpy of H—Br =…
Q: 3. In the following reaction, the products are not favoured at room temperature, but are favoured at…
A: Given-> CO2(g) + H2(g) <------> CO(g) + H2O(g)
Q: Calculate the amount of heat released in the combustion of 0.5 mole of acetylene (C2H2) by the given…
A: Heat released by combustion of 1 mole of acetylene is given = 1800 kJ So, heat released by…
Q: 2. What is the enthalpy of combustion of butane in kJ mol-1? 2C4H19(g) + 1302(g) 8CO2(g) + 10H2O(1)
A: Target reaction is 2 C4H10 (g) + 13 O2 (g ) → 8 CO2 (g) + 10 H2O (l) △H c = ?
Q: Match the state function to its corresponding heat of reaction: A: delta E B: delta H A: qv or qp?…
A:
Q: What is the enthalpy of combustion of butane in kJ mol−1? 2C4H10(g) + 13O2(g) → 8CO2(g) +…
A: Given The reaction for the combustion of 2 moles of butane is, 2C4H10(g)+13O2(g)→8CO2(g)+10H2O(l)…
Q: C6H4(OH)2(aq) + H2O2(aq) → C6H4O2(aq) + 2H2O(1) hydroquinone quinone Calculate AHRXN for this…
A: Thermodynamics is the branch of chemistry which deals with the study of heat and other forms of…
Q: The following reaction is used in commercial cold packs. NH4NO3(s) + 25 kJ NH41+(aq) + NO31-(aq)…
A: The chemical reaction is as follows NH4NO3 (s) + NH4- +(aq) + NO31-(aq) The amount of heat which…
Q: Calcutlate the heat of reaction for: 2NaHCO3(s)->NaCO3+CO2(g)+2H2O(1)
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Q: Calculate the heat of hydrogenation of ethane (C2H4): C2H4(g) + H2(g) → C2H6(g), given the following…
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Q: Given H2 (g) + ½ O2(g) H2O(1) CO2(g) → CH4(g) AH = -293 kJ/mol С ($) + O2(g) AH = -392 kJ/mol %3D C…
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Q: nen Use the AH", information provided to calculate AH for the following: AH, J/mol) 2 HClg) + H2SO4)…
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Q: Given that the reaction of C2H4 (g) + 3 O2 (g) → 2 CO2 (g) + 2 H20 (1) ΔΗ - – 1411 kJ What would AH…
A: We know enthalpy is a state function i.e. only depends on its initial and final point not on the…
Q: energy
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Q: What is the heat of combustion of ethane, C2H6,C2H6, in kilojoules per mole of ethane? Enthalpy of…
A: The combustion reaction of ethane is given below.
Q: Calculate DH° for the reaction C4H4(g) + 2H2(g) ® C4H8(g), using the following data: DH° combustion…
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Q: Calculate the energy change (in kJ) for the combustion of 62.0 grams of propane?
A: A specific heat quantity is generated on reacting any substance with O2. This heat is generally…
Q: Calculate the heat of reaction deltaH for the following reaction: 2H2(g)+O2(g)——>2H2O(g) Round your…
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Q: 17. Given the following set of reaction data, (8)0 + (8)H 2B(s) +3H2 (g) – B2H6 (g) → H,O(1) AH =…
A: Hess’s law states that when chemical equations are combined algebraically, their enthalpies can be…
Q: Calculate the heat of reaction deltaH for the following reaction: 2H2(g)+O2(g)——>2H2O (g) Round your…
A: The reaction given is, => 2 H2 (g) + O2 (g) → 2 H2O (g)
Q: Estimate ΔHrxn for the following reaction: C2H4+H2→C2H6 Give your answer in kJ per mole.
A: The given reaction is: C2H4 (g) + H2(g) → C2H6(g) To estimate the value of ΔHrxn, we need to know…
Q: The lower the change in free enthalpy associated with a reaction, the slower this reaction is. True…
A: Change in free energy is associated with spontaneity. The spontaneity of the reaction doesn't define…
Q: What are the coefficients of the combustion of propane? C3H8(g) + O2(g) ===== CO2(g) + H2O(vap) +…
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Q: One mole of ammonium nitrate dissolves in water to produce aqueous ammonium ions and nitrate ions.…
A: we have to write the following equation:- Ammoniumnitrate + water
Q: C2H60 (1) + 3 02 (g) -> 2 CO2 (g) + 3 H2O (g) Calculate the AH in kJ for the combustion of ethanol…
A: ΔHrxn is calculated by substraction of total bond energy of reactant and total bond energy of…
Q: What is the standard free energy change for the ionization of H2O2 acid, if its Ka is 2.40e-12
A: ∆G=-RT lnK = -(8.314*298) ln2.4*10-12 =-(2477.57)*(-29.058) = 66.326 KJ
Q: The reaction of liquid methyl chloride (CH3Cl) with water produces methanol and hydrogen chloride…
A: Given reaction CH3Cl(l) + H2O(g) --> CH3 OH (l) +HCl(g) Also given ∆H°rxn = 28.3 kJ/mol So the…
Q: Calculate the heat of reaction deltaH for the following reaction: 2NH3(g)——> N2(g) + 3H2(g) Round…
A:
what is the ΔH° of combustion for 1-pentanol
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- The conversion of butane to 2-methylpropane is an equilibrium process with ΔH° = −2.05 kcal/mol and ΔG° = −0.89 kcal/mol. What is the change in entropy for this conversion? What is the equilibrium constant for this reaction?6 Give the organic product: A -NO₂ -NH₂ 0=2 NH Sn, HCl(aq) dil NaOH(aq) heat B D OH ? NO₂Please answer # 7 and if you are able to answer the second from # 6 (12gKClO3)
- Estimate the heat released when ethene(CH2=CH2) reacts with HBr to giveCH3CH2Br. Bond enthalpies areC-H : 412 kJ/mol; C-C : 348 kJ/mol;C=C : 612 kJ/mol; C-Br : 276 kJ/mol;Br-Br : 193 kJ/mol; H-Br : 366 kJ/mol. Choose the correct answer:1. 1036 kJ/mol2. 58 kJ/mol3. 424 kJ/mol4. 200 kJ/mol5. 470 kJ/molUsing the bond enthalpies and the equation shown below, calculate the ΔH for the combustion of Propane. C3H8 + 5O2 ➜ 3CO2 + 4H2O Bond Energy (kJ mol-1) C-H +413 C-C +347 O=O +498 C=O +743 O-H +464 Select one: a.–1892 kJ mol–1 b.–1562 kJ mol–1 c.–1002 kJ mol–1 d.–1682 kJ mol–1Carbon–carbon bond dissociation enthalpies have been measured for many alkanes. Identify the alkane in each of the following pairs that has the lower carbon–carbon bond-dissociation enthalpy, and explain the reason for your choice. (a) Ethane or propane (b) Propane or 2-methylpropane (c) 2-Methylpropane or 2,2-dimethylpropane (d) Cyclobutane or cyclopentane
- Calculate the heat of hydrogenation of ethane, C2H4 given the following thermochemical equations: 2 C(graphite) + 3 H2(g) —> C2H6 (g) ΔHf= - 84.5 kJ/mol 2 C (graphite) + 2 H2(g) —> C2H4 (g) ΔHf= 52.3 kJ/molCH3COOH + 2H2 = C2H5OH + H2O %3D Acetate Ethanol Acetate may be hydrogenated to ethanol in industrial reaction systems using several catalysts: Select the most effective catalyst for this reaction system if the free energy of the reaction is -34 kJ/mol; Catalist effective at the temperature range 37-45°C, O Catalist effective at the temperature range 40-55°C, O Catalist effective at the temperature range 60-72°C,C2H5OH combustion releases 1200 kJ/mol. How many giving off of C2H5OH is to be burned to generate 6200 kJ energy?
- YOH OH HCI (gas) n-propyl alcohol Δ ?Benzene is one of the compounds used as octane enhancers in unleaded gasoline. It is manufactured by the catalytic conversion of acetylene to benzene: 3C2 H2(g) ⟶ C6 H6(g). Which value of Kc would make thisreaction most useful commercially? Kc ≈ 0.01, Kc ≈ 1, or Kc ≈ 10. Explain your answer.Following are structural formulas and heats of combustion of acetaldehyde and ethylene oxide. Which of these compounds is more stable? Explain. CH3-CH H,C-CH, Acetaldehyde -1164 kJ (-278.8 kcal)/mol Ethylene oxide -1264 kJ (-302.1 kcal)/mol