V. P. Kolesov et al. (J. Chem Thermodynamics 28 (1996) 1121) reported the standardenthalpy or combustion AH° and the standard enthalpy of formation 4H° of crystalline C60 based on bombcalorimeter measurements. In one of their runs they found the standard specific internal energy ofcombustion of C60 to be – 36.0334 kJ g' at 298.15K and 1 bar pressure. Calculate 4,H° and 4H° for C601.at 298.15K and 1 bar pressure. Data in the following table may be helpful. Specific refers to heat per gram.SubstanceA¢H in kJ mol at at 298.15K and 1 barCO2(g)H2O()-393.51-285.83

Answered: Image /qna-images/answer/9c07ef4d-17f6-49b4-bc73-e85294fc9e16.jpg

Answered: V. P. Kolesov et al. (J. Chem…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Predict the output of energy as heat from the combustion of 1.0 dm3 of octane at 298 K and 1 bar. Its mass density is 0.703 g cm−3 ?
Benzoic acid of mass 1.40 g is reacted with oxygen in a constant volume calorimeter to form H2O(l) and CO2(g) at 298 K. The mass of the water in the inner bath is 1.40×103g. The temperature of the calorimeter and its contents rises 2.84 K as a result of this reaction. Part A Calculate the calorimeter constant. The standard enthalpy of combustion of benzoic acid at 298 K is −3227 kJ⋅mol−1. CP,m(H2O,l)=75.3J⋅mol−1⋅K−1.
The change in Gibbs energy that accompanies the combustion of C6H12O6(s) to carbon dioxide and water vapour at 25 °c is -2828 kJ mol-1. The potential energy of an object of mass m at a height h, relative to that at the Earth's surface is given by mgh, where g = 9.81 m s-2 is the acceleration of freefall. How much glucose does a person of mass 65 kg need to consume to climb through 10m?
Estimate the enthalpy of vaporization of water at 100 °c from its value at 25 °c, 44.01 kJ mol-1, given the constant pressure molar heat capacities of 75.29 J K-1 mol-1 and 33.58 J K-1 mol-1 for liquid and gas, respectively.
The standard enthalpies of formation, at 25.00 oC, of methanol (CH4O(l)), water (H2O(l)), and carbon dioxide (CO2(g)) are -238.7 kJ/mol, -285.8 kJ/mol, and -393.5 kJ/mol respectively. Calculate the change in surrounding entropy (in J/K) during combustion of 12.7 g of methanol under a constant pressure of 1,000 atm at 25.00 oC (N.B., combustion is the reaction of a substance with molecular oxygen to produce water and carbon dioxide).
Estimate the enthalpy of reaction h̄R for the dissociation process CO2 ⇌ CO + 1⁄2 O2 at 2200 K, using (a) enthalpy data and (b) KP data.
Three cubic meters of a 1.5 molar aqueous sulfuric acid solution (SG=1.064) is stored at 25∘C. Determine the standard heat of formation of the solution in kJ/mol H2SO4 relative to the solute elements and water, as well as the total enthalpy of the solution relative to the same reference conditions.
Give an example to show the difference between the three types of specification of a system, the macrostate, the distribution, and the microstate?
When 49.38 g of potassium fluoride (Mw=58.097 gmol-1) was dissolved in 1.00 dm3 of water at a temperature of 25 °C, the temperature of the solution increased by 3.61 degrees. Calculate the heat transferred between the system and the environment and the molar enthalpy of dissolution of the compound ΔsHm. Assume that the density and specific heat capacity of the solution are the same as water: C=4.18 J°C^-1g^-1 and d=1.0 kgdm^-3
The constant-pressure heat capacity of a sample of a perfect gaswas found to vary with temperature according to the expression Cp/(J K−1) = 20.17 + 0.3665(T/K). Calculate q, w, ΔU, and ΔH when the temperature is raised from 25 °C to 100 °C (i) at constant pressure, (ii) at constant volume.
A) For nitrogen gas the values of Cv and Cp at 25°C are 20.8 J K−1 mol−1 and 29.1 J K−1 mol−1, respectively. When a sample of nitrogen is heated at constant pressure, what fraction of the energy is used to increase the internal energy of the gas? B) How much energy (in KJ) is required to raise the temperature of 136.4 g N2 from 25.0°C to 87.0°C in a vessel having a constant volume?
A sample of water vapour at 200 °c is compressed isothermally from 350 cm3 to 120 cm3. What is the change in its molar Gibbs energy?

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