QUESTION 11An ideal gas expands against a constant external pressure of 2.0 atm from 20 L to 40 L and absorbs 10 kJ of heat from surrounding, what is thechange in interal energy of the system?14052 J9940 J4052 J5948 J

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Answered: An ideal gas expands against a constant…

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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A 0.1375g sample of solid Mg is burned in a constant volume bomb calorimeter that has a heat capacity of 3024 J/0C. The temperature increases by 1.1260C. Calculate the heat given off by the burning Mg in kJ/g Mg and kJ/mole Mg
A gas is compressed from an initial volume of 5.70 L to a final volume of 1.24 L by an external pressure of 1.00 atm. During the compression the gas releases 125 J of heat. What is the change in internal energy of the gas?
As a system increases in volume, it absorbs 55.0 J of energy in the form of heat from the surroundings. The piston is working against a pressure of 0.540 atm. The final volume of the system is 58.2 L. What was the initial volume of the system if the internal energy of the system decreased by 103.4 J?
23. A 2.00g sample of an element requires 42.6J to heat it from 50.0 to 80.0 degrees C. What is the specific heat capacity of the element?
6, A 0.213 g sample of an organic compound with a molar mass of 386.0 g/mol was burned in the bomb calorimeter with a heat capacity of 2.54 kJ/K. The temperature in the calorimeter increased by 4.12 K. Calculate the energy of combustion of the compound in kJ/mol. A, –1.896 x103 B, –4.90 x102 C, 0.00937 D, –1.90 x104 E, -531
thway | Algebra. Pt Periodic Table - Pta... Scientific Calculator Gravitational Force... Conservation of Mo... Part 1-Combustion of Methane Equation for Enthalpy AH = Hbonds broken- Hsonds formed The following table is a list of selected bond energies. The bonds present in this table are common bonds for combustion reactions Selected Bond Energies Bond Energy (kI/mole) Bond Bond Energy Bond (kl/mole) H-H 436 C=0 799 O-0 495 C-C 348 O-H 463 C=C 614 C-H 413 C-C (aromatic) 519 C-O 358 N=0 623 Use the following balanced equation and chart to complete the bond energy calculations for the fuel, methane CH+202-CO2+2 H20 Compound Total Bond Energy Oxygen, O2 495 kJ/mol Carbon Dioxide, CO, 1598 kl/mol Water, H,O 926 kJ/mol
8. A sample of ethanol, C₂H5OH, absorbs 23.4 kJ of energy. The temperature of the sample increases from 5.6°C to 19.8°C. What is the moles (n) of ethanol in the sample? The specific heat capacity of ethanol is 2.46 J/g.°C. [3 Moles of ethanol in the sample is:
A 56.1 g sample of polystyrene, which has a specific heat capacity of 1.880 J-g °C-1 is put into a calorimeter (see sketch at right) that contains 250.0 g of water. The temperature of the water starts off at 24.0 °C. When the temperature of the water stops changing it's 29.8 °C. The pressure remains constant at 1 atm. Calculate the initial temperature of the polystyrene sample. Be sure your answer is rounded to the correct number of significant digits. °C thermometer. insulated container water sample. a calorimeter 區 OU Ar

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An ideal gas expands against a constant external pressure of 2.0 atm from 20 L to 40 L and absorbs 10 KJ of heat from surrounding, what is the change in interal energy of the system? O 14052 J O 9940 J O 4052 J O 5948 J