How much heat is produced by combustion of 25.0 g of ethanol under standard state conditions? C2H5OH(l) + 3O2(g) ⟶ 2CO2(g) + 3H2O(g)        Δ  = −1366.8.1 kJ

Q: CeH6ln + 15 O2(g)12 CO2(g) + 6 H20() AH = -5.854 x 10 kJ in unknown amount of CEH6() was combusted…

A: The question is based on the concept chemical thermodynamics.   We have been given heat value.   We…

Q: of iron with oxygen may be surprised

A: a). For 1 mole of Fe2O3 formed ; ∆H will be -0.825 × 10³ kj / mol .

Q: In a coffee cup calorimeter, a student adds 2.50 g of calcium, followed by addition of 50.0 mL of…

A: Since the temperature change in positive, heat is absorbed by the solution and released by the…

Q: Determine the mass of CO2CO2 produced by burning enough carbon (in the form of charcoal) to produce…

A: The balanced chemical reaction is  C(s)+O2 (g)→CO2(g); ΔrH∘=−393.5 kJ-mol-1  The mass of CO2…

Q: 4.78 x 10 kJ E) 1,040 kJ 51.Methanol (CH,OH) burns according to the equation 2CH,OH(I) +…

A: The given reaction is,

Q: The thermite reaction can be written as 2Al(s)+Fe2O3(s)→2Fe(s)+Al2O3(s)                  ΔH∘=−850kJ…

A: Given: The value of  is -850 kJ. The amount of heat released in 314.5 kJ. Introduction: According to…

Q: an alternative to combustion, coal gas can undergo a process called methanation.  3 H2(g)  +  CO(g)…

A: Hess's law states that regardless of multiple stages or steps of a reaction, the total enthalpy…

Q: THERMODYNAMICS: A 1.09 g sample of acetic acid (HC2H302) was burned in excess oxygen in a bomb…

A: Heat absorbed by water  = mass × specific heat capacity × Temperature change  Heat absorbed by…

Q: . (a) We place 77.7 g of a metal at 10.00 ◦C in 333.3 g of water at 70.00 ◦C. The water is in a…

A: Dear student, we are authorised to solve only one question at a time. Please post rest of the…

Q: רPi How much heat will be released (AH) if 0.2037 mol of NH3 are mixed with 0.20 mol of O2 in the…

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Q: If ΔHr for the following reaction is -36.40 kJ/mol, a) what is the enthalpy of formation of HBr(g)?…

A: a. The enthalpy of the reaction can be related to enthalpy of formation of the involved species as:…

Q: Consider the reaction: C2H5OH(l) + 3O2(g) → 2CO2(g) + 3H2O(l), ΔH = –1.37 × 103 kJ When a 2.23 mol…

A:

Q: Solid lithium perchlorate dissolves in water according to the equation below. LiClO4 (s) ➝ Li+ (aq)…

A: Given: mass of  LiClO4 = 7.00 g mass of water = 40.0 g Initial temperature of water = 29.00 ºC…

Q: Elemental iron is used in heat packs and the reaction can be represented as: 4 Fe(s) +3 O2(g) → 2…

A: When enthalpy is negative that means reaction is exothermic reaction

Q: THERMODYNAMICS: A 1.61 g sample of acetic acid (HC2H302) was burned in excess oxygen in a bomb…

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Q: Iron can be converted to Fe₂O₃ according to the reaction below. How much heat (in kJ) is required to…

A: The branch of chemistry that deals with the structure, properties and the reaction of the organic…

Q: The standard enthalpy change for the following reaction is -511 kJ at 298 K.Br2(l) + 3 F2(g)--->2…

A: The objective of the question is to find the standard enthalpy change for the reaction 1/2 Br2(l) +…

Q: 4. A 5.00 gram sample of an unknown metal was placed in a beaker of boiling water (99.58 °C). After…

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Q: If a system has 475 kcal475 kcal of work done to it, and releases 5.00×102 kJ5.00×102 kJ of heat…

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Q: Use the following reactions to calculate the unknown ΔH. Fe2O3(s) + 3CO(g) → 2Fe(s) + 3CO2 (g)…

A: Answer - The correct option is -(a)   = -792.3

Q: 2CH;OH (I) + 302 (g) → 2CO2 (g) + 4H2O (I) AH = -1452 kJ A 2.00 g sample of methanol, CH;OH, is…

A: The reaction given is, Given: mass of methanol burned = 2.00 g. Mass of water = 500 g. Heat…

Q: THERMODYNAMICS: A 1.98 g sample of acetic acid (HC2H3O2) was burned in excess oxygen in a bomb…

A:

Q: An engineering student wants to study the heat transfer between a 50 g of heated block of iron (cFe…

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Q: A generic solid, X, has a molar mass of 76.0 g/mol. In a constant‑pressure calorimeter, 37.7 g of X…

A: Solution:-

Q: A generic solid, X, has a molar mass of 59.1 g/mol. In a constant-pressure calorimeter, 15.8 g of X…

A: Given: The mass of solid X = 15.8 g The mass of water = 311 g The initial temperature of the water =…

Q: When 4.51 g of a solid mixture composed of NH¼CI and CaCI2 was dissolved in 100.0 mL of water, the…

A:

Q: The standard enthalpy change for the following reaction is -851 kJ at 298 K. 2 Na(s) + O2(g) +…

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Q: Calculate ΔH (in kJ/mol) for the reaction shown below: ClF(g)+F2(g)→ClF3(g) Use the following…

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Q: Potassium nitrate, KNO3, has a molar mass of 101.1 g/mol. In a constant-pressure calorimeter, 47.3 g…

A: Given: The mass of KNO3 is 47.3 g. The molar mass of KNO3 is 101.1 g/mol. The mass of water is 213…

Q: Consider the following reaction: 2C6H6() + 15 O2(g)- 12 CO2(g) + 6 H20() AH = -5.869 x 103 kJ An…

A: Each reaction takes place account to their stoichiometric radio and account to those things the heat…

Q: THERMODYNAMICS: A 1.79 g sample of acetic acid (HC2H302) was burned in excess oxygen in a bomb…

A:

Q: According to the following thermochemical equation, if 586.9 g O, is formed how much heat is…

A: Answer - According to the question - Given reaction  CO2 +(g) + 1/2H2O (l) ----- -> 1/2 C2H2 (g)…

Q: THERMODYNAMICS: A 1.66 g sample of acetic acid (HC2H302) was burned in excess oxygen in a bomb…

A: Mass of acetic acid = 1.66 g Molar mass of Acetic acid = 60g/mol Temperature change = 4.56°C Heat…

Q: dissolution of one mole of NaOH in water releases 44.4 kJ of heat: H(s)→ Na*(aq) + OH*(aq) ΔΗ =…

A: Given: Heat of dissolution of 1 mole of NaOH in water releases 44.4 kJ.Given: Mass of sample of NaOH…

Q: THERMODYNAMICS: A 1.81 g sample of acetic acid (HC2H302) was burned in excess oxygen in a bomb…

A:

Q: How much heat was absorbed by the solution?

A: For constant pressure calorimeter, we know that The heat absorbed by the calorimeter is given by…

Q: A generic solid, X, has a molar mass of 61.8 g/mol. In a constant-pressure calorimeter, 18.6 g of X…

A:

Q: An engineering student wants to study the heat transfer between a 50 g of heated block of iron (cFe…

A:

Q: A calorimeter contains 16.0 mL of water at 14.5 °C. When 2.20 g of X (a substance with molar mass of…

A: Given :  Mass of X = 2.20 g  Volume of water = 16.0 mL  Heat capacity (C) = 4.18  ∆T = 25.5 - 14.5 =…

Q: A 1.00 g sample of MgCl2 produced a 10.00 °C increased in a calorimeter charged with 40.0mL of…

A: Mass of MgCl2 = 1.00 g Increase in temperature, ΔT = 10.00 °C Specific heat of MgCl2, C = 0.750…

Q: Calculate the energy produced when 5.0 mol of CO2 are produced on the basis of the following…

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Q: 61. Consider the thermochemical equation for the combustion of acetone (C3H,O), the main ingredient…

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Q: Calculate Δ­H for the reaction  NO(g) + O(g) → NO2(g) given the following information: NO(g) +…

A: Introduction The value of heat of reaction can be calculated by the application of Hess's Law.