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?…
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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…
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what is the ΔH° of combustion for 1-pentanol
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- ) The reaction of hydroxide ion with chloromethane to yield methanol and chloride ion is an example of a general reaction type called a nucleophilic substitution reaction: HO¯ + CH;CI = CH;OH + CI¯ The value of AHº for the reaction is -75 kJ/mol, and the value of ASº is +54 J/ (K- mol). What is the value of AG° (in kJ/mol) at 298 K? Is the reaction exothermic or endothermic? Is it exergonic or endergonic?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–1Calculate 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/mol
- Carbon–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 cyclopentaneC2H5OH combustion releases 1200 kJ/mol. How many giving off of C2H5OH is to be burned to generate 6200 kJ energy?CH3COOH + 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,
- 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