A system of an ideal gas at T=27 degrees celsius expands isothermally doing 4000J of work in the process. What is the change in entropy of the gas?
a)148.1 J/degrees celsius
b)-148.1
c) 13.3
d)13.3
e)need more information
A system of an ideal gas at T=27 degrees celsius expands isothermally doing 4000J of work...
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...
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).
Ten moles of an ideal gas expands isothermally at 100 degrees C to five times its initial volume. The initial volume is .5 m^3. a.) Find the initial and final pressures for this gas. b.) Draw a PV diagram for this process. c.) Estimate the amount of heat that flows into the system during this process.
8. An ideal monatomic gas expands isothermally from A to B, as the graph shows. What can be said about this process? Isotherm Volume QUESTION 8 (a) The gas does no work. (b) No heat enters or leaves the gas. (c) The first law of thermodynamics does not apply to an isothermal process. (d) The ideal gas law is not valid during an isothermal process. (e) There is no change in the internal energy of the gas.
A monatomic ideal gas expands slowly to twice its original volume, doing 240 J of work in the process. a) Find the heat added to the gas if the process is isothermal. b) Find the change in internal energy of the gas if the process is isothermal. c) Find the heat added to the gas if the process is adiabatic. d) Find the change in internal energy of the gas if the process is adiabatic. e) Find the heat added...
Half a mole of a perfect gas expands isothermally and at
298.15 K from a volume of 10 L to a volume of 20 L. (a) What is the
change in the entropy of the gas? (b) How much work is done on the
gas? (c) What is qsurr ? (d) What is the change in the entropy of
the surroundings? (e)
What is the change in the entropy of the system plus the
surroundings?
Now consider that the expansion...
(1) An ideal monatomic gas expands isothermally from 0.600 m3 to 1.25 m3 at a constant temperature of 640 K. If the initial pressure is 1.01 ✕ 105 Pa find the following. (a) the work done on the gas J (b) the thermal energy transfer Q J (c) the change in the internal energy J (2) Gas in a container is at a pressure of 1.2 atm and a volume of 5.0 m3. (a) What is the work done on...
An ideal monatomic gas expands isothermally from 0.540 m3 to 1.25 m3 at a constant temperature of 570 K. If the initial pressure is 1.20 ✕ 105 Pa find the following. (a) the work done on the gas J (b) the thermal energy transfer Q J (c) the change in the internal energy J
An ideal monatomic gas expands isothermally from 0.520 m3 to 1.25 m3 at a constant temperature of 690 K. If the initial pressure is 1.30 ✕ 105 Pa find the following. (a) the work done on the gas J (b) the thermal energy transfer Q J (c) the change in the internal energy J
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?