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Half a mole of a perfect gas expands isothermally and at
298.15 K from a volume...
3. A sample of 3.0 mole of a perfect gas at 25 °C expands from 5.0...
3. A sample of 3.0 mole of a perfect gas at 25 °C expands from 5.0 L to 15.0 L. How much are the entropy changes of the system and the surroundings, and the total change in entropy in the following processes: (a) the gas expands reversibly and isothermally; (b)the gas expands isothermally but irreversibly against an external pressure of zero (Pex= 0), and (c) the gas expands adiabatically and reversibly. (20 pts)
3 1. One mole of an ideal gas expands isothermally at T = 20°C from 1.2...
3 1. One mole of an ideal gas expands isothermally at T = 20°C from 1.2 m² to 1.8 m². The gas constant is given by R= 8.314 J/mol K). (a) Calculate the work done by the gas during the isothermal expansion. W= (b) Calculate the heat transfered during the expansion Q= (c) What is the change in entropy of the gas? AS аук (c) What is the entropy change of the thermal reservoir? AS reservar JK (d) What is...
Five moles of the monatomic gas argon expand isothermally at 302 K from an initial volume...
Five moles of the monatomic gas argon expand isothermally at 302 K from an initial volume of 0.020 m3 to a final volume of 0.050m3. Assuming that argon is an ideal gas, find (a) the work done by the gas, (b) the change in internal energy of the gas, and (c) the heat supplied to the gas. Four mole of gas at temperature 320 K expands isothermally from an initial volume of 1.5 L to 7 L. (a) What is...
1. a) One mole of an ideal gas at 298.15 K is expanded reversibly and isothermally...
1. a) One mole of an ideal gas at 298.15 K is expanded reversibly and isothermally from 1.0 L to 15 L. Determine the amount of work in Joules. b) Determine the work done in Joules when one mole of ideal gas is expanded irreversibly from 1.0 L to 15.0 L against a constant external pressure of 1.0 atm.
0.5 mole perfect gas expands reversibly and isothermally from 10 L to 20 L at 298...
0.5 mole perfect gas expands reversibly and isothermally from 10 L to 20 L at 298 K calculate q, w & ∆S?
A 2.5 mole sample of an ideal gas expands reversibly and isothermally at 360 K until...
A 2.5 mole sample of an ideal gas expands reversibly and isothermally at 360 K until its volume is doubled. What is the increase in entropy of the gas?
Five moles of an ideal gas expands isothermally at 300 K from an initial volume of...
Five moles of an ideal gas expands isothermally at 300 K from an initial volume of 100 L to a final volume of 500 L. Calculate: (a) the maximum work the gas can deliver, (b) the heat accompanying the process, (c) AS for the gas.
Five moles of an ideal gas expands isothermally at 300 K from an initial volume of...
Five moles of an ideal gas expands isothermally at 300 K from an initial volume of 100 L to a final volume of 500 L. Calculate: (a) the maximum work the gas can deliver, (b) the heat accompanying the process, (c) ∆S for the gas. (Please explain why did you use the equation, what conditions did you see from the question, etc)
Two moles of an ideal gas occupy a volume V. The gas expands isothermally and reversibly...
Two moles of an ideal gas occupy a volume V. The gas expands isothermally and reversibly to a volume 6 V. A)Is the velocity distribution changed by the isothermal expansion? B)Explain why ? C)Use the equation ΔS=klnw2/w1 to calculate the change in entropy of the gas. D)Use the equation ΔS=Q/T to calculate the change in entropy of the gas. Compare the result in part (d) to that obtained in part (c).
012. One mole of an ideal gas does 3.00x10' J of work on its surroundings as it expands isotherma...
012. One mole of an ideal gas does 3.00x10' J of work on its surroundings as it expands isothermally to a final pressure of 1.00 atm and a volume of 25.0 L. Determine the initial volume of the gas. A) 7.62 L B) 8.11 L C) 9.05 1L D) 6.60 1 E) 8.99 L
012. One mole of an ideal gas does 3.00x10' J of work on its surroundings as it expands isothermally to a final pressure of 1.00 atm...
3. A sample of 3.0 mole of a perfect gas at 25 °C expands from 5.0 L to 15.0 L. How much are the entropy changes of the system and the surroundings, and the total change in entropy in the following processes: (a) the gas expands reversibly and isothermally; (b)the gas expands isothermally but irreversibly against an external pressure of zero (Pex= 0), and (c) the gas expands adiabatically and reversibly. (20 pts)
3 1. One mole of an ideal gas expands isothermally at T = 20°C from 1.2 m² to 1.8 m². The gas constant is given by R= 8.314 J/mol K). (a) Calculate the work done by the gas during the isothermal expansion. W= (b) Calculate the heat transfered during the expansion Q= (c) What is the change in entropy of the gas? AS аук (c) What is the entropy change of the thermal reservoir? AS reservar JK (d) What is...
A 2.5 mole sample of an ideal gas expands reversibly and isothermally at 360 K until its volume is doubled. What is the increase in entropy of the gas?
Five moles of an ideal gas expands isothermally at 300 K from an initial volume of 100 L to a final volume of 500 L. Calculate: (a) the maximum work the gas can deliver, (b) the heat accompanying the process, (c) AS for the gas.
012. One mole of an ideal gas does 3.00x10' J of work on its surroundings as it expands isothermally to a final pressure of 1.00 atm and a volume of 25.0 L. Determine the initial volume of the gas. A) 7.62 L B) 8.11 L C) 9.05 1L D) 6.60 1 E) 8.99 L
012. One mole of an ideal gas does 3.00x10' J of work on its surroundings as it expands isothermally to a final pressure of 1.00 atm...
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Amplitude=3;
fs=8000;
n=0:399;
t=0:1/fs: n*1/fs-1/fs;
signal=3+3*cos(2*pi*1100*t)+3*cos(2*pi*2200*t)+3*cos(2*pi*3300*t);
fftSignal= fft(signal);
fftSignal=f ftshift (fftSignal);
f=fs/2*linspace(-1,1,fs);
plot(f,abs(fftsignal);
xlabel('Frequency(Hz)’)
yla
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