a) Methane gas allowed to expand from a volume of 3.2 L to a volume of 8.5 L. During the course of the process, 640 J of thermal energywas transferred from the surroundings to the methane gas. Based on the same expansion:i) How much work has been done if the gas expands against a vacuum with explanation?ii) How much work has been done if the gas expands against a pressure of 2.3 atm?iii) What is the change in the internal energy of the system with proper reason?

It is given that methane gas is expanding from a volume of 3.2 L to a volume of 8.5 L, and during…

Answered: a) Methane gas allowed to expand from a…

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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Calculate the work (in J) associated with the compression of a gas from 45.3 L to 21.8 L at a constant external pressure of 2.75 atm.
Under what conditions will the quantity q be a positive number and the quantity w be a positive number? Oq is positive when the system loses heat to surroundings, w is positive when the surroundings does work on the 4 system. qis positive when the system loses heat to surroundings, w is positive when the system does work on the surroundings. qis positive when the system gains heat from surroundings, w is positive when the surroundings does work on the system. O qis positive when the system gains heat from surroundings, w is positive when the system does work on the surroundings.
Consider an ideal gas enclosed in a 1.00 L container at an internal pressure of 24.0 atm. Calculate the work, w, if the gas expands against a constant external pressure of 1.00 atm to a final volume of 24.0 L. -23.0 W = Now calculate the work done if this process is carried out in two steps. 1. First, let the gas expand against a constant external pressure of 1.50 atm to a volume of 16.0 L. 2. From the end point of step 1, let the gas expand to 24.0 L against a constant external pressure of 1.00 atm. W = J J
Q5 a)A chemical reaction is run in which 465 Joules of heat are generated and the internal energy changes by -27 Joules. Calculate w for the system. w = Joules b)A chemical reaction is run in which 571 Joules of work is done by the system and the internal energy changes by + 95 Joules. Calculate q for the system. q = Joules c)A chemical reaction is run in which 365 Joules of heat are generated and 390 Joules of work are done by the system. Calculate the change in the internal energy of the chemical system.U = Joules
app.101edu.co Question 20 of 27 If a system does 84.0 kJ of work on its surroundings and releases 105 kJ of heat, what is the change in the internal energy of the system, in kJ?
A piston assembly (system) is warmed by an external flame. The contents of the cylinder expand, pushing the piston outward against the external pressure. If the piston system absorbs 7100J of heat and does 693J of work, what is the value of ΔE?
An ideal gas sealed in a rigid 5.87-L cylinder, initially at pressure Pi=10.10 atm, is cooled until the pressure in the cylinder is Pf=1.06 atm. A) What is the enthalpy change for this process? B) What is the change in internal energy for this process?
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A typical bike tire has a volume of 150 in³. If a bicycle pump can hold 567 cm³ of air, and you compress it to 350 cm³ with each pump, against an external pressure of 1.0 atm, how much total work (J) would you need to do on the gas in the bicycle pump in order to completely fill the tire? Give your answer as a positive value. Type your numeric answer and submit
General Chemistry 4th Edition McQuarrie • Rock • Gallogly University Science Books presented by Macmillan Learning Consider an ideal gas enclosed in a 1.00 L container at an internal pressure of 24.0 atm. Calculate the work, w, if the gas expands against a constant external pressure of 1.00 atm to a final volume of 24.0 L. w = J Now calculate the work done if this process is carried out in two steps. 1. First, let the gas expand against a constant external pressure of 1.50 atm to a volume of 16.0 L. 2. From the end point of step 1, let the gas expand to 24.0 L against a constant external pressure of 1.00 atm. w = J
Calculate the work done in joules in the following process: Expanding 21.9 L of oxygen gas at an external pressure of 0.71 atm to 23.7 L at a constant temperature.
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