A gas with a constant pressure of 126 kPa expands from a volume of 0.982 m3to a volumeof 1.19 m3. How much work does the gas do on its surroundings?
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A gas with a constant pressure of 126 kPa expands from a volume of 0.982 m3
to a volume
of 1.19 m3
. How much work does the gas do on its surroundings?
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Solved in 3 steps
- 9. A monatomic ideal gas expands from point A to point B along the path shown in the figure. Determine the work done by the gas. (The vertical axis is marked in increments of 1.00 × 105 Pa and the horizontal axis is marked in increments of 3.50 m³.) J Pressure molecules of helium gas at a te Ideal gas is A rom 20 230 Volume B 3.5An ideal gas is held at a constant temperature of 390 K as it expands slowly from a volume of 0.50 m² to 5.2 m³. As the gas expands, it does 240 J of work. What is the change in the internal energy AU of the gas during this process? AU = 240 Q= Incorrect How much heat Q is absorbed by the gas as it expands? 480 IncorrectOne mole of an ideal gas is heated slowly so that it triples its volume and pressure, in such a way that the pressure of the gas is directly proportional to its volume (linear relationship). Whats the work consumed by the gas?
- Gas in a container is at a pressure of 1.9 atm and a volume of 6.0 m3. (a) What is the work done on the gas if it expands at constant pressure to twice its initial volume? J(b) What is the work done on the gas if it is compressed at constant pressure to one-quarter of its initial volume? JA heat engine takes in 2500J and does 1500J of work. a) How much energy is expelled as waste? b) What is the efficiency of the engine?The figure below shows a PV diagram for an ideal gas. (a) Find the work done by and ideal gas as it expands from point A to point B along the path shown in the figure below. (b) How much work is done by the gas if it is compressed from B to A along the same path? P (kPa) 400 B IN 300 200 A 100 12 3 4 5 6 -V (m³)
- As a gasoline engine is running, an amount of gasoline containing 15,000J of chemical potential energy is burned in 1 s. During that second, the engine does 3,000 J of work. (b) The burning gasoline has a temperature of about 2500 K. The waste heat from the engine flows into air at about 300 K. What is the Carnot efficiency of a heat engine operating between these two temperatures?A sample of ideal gas is expanded to twice its original volume of 0.7 m³ in a quasi-static process for which P=aV² with a = 5 atm/m6, V₁ = 0.7 m³ and Vi Va 1.4 m³, as shown in the figure. 3 P P = (5 atm/m³) V² V = 0.7 m³ 3 1.4 m³ 3 How much work was done by the expanding gas? Answer in units of J.Does a gas do any work when it expands adiabatically? If so, what is the source of the energy needed to do this work?