7. A container has 0.65 moles of ideal gas that undergoes an isothermal expansion from 0.0025 m² to 0.0040 m². The temperature is 30°C. Find the work done and the change in internal energy in this process.
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- Determine the change in internal energy of a monatomic ideal gas that expands from an initial volume of 1.33 m3 to a final volume of 3.47 m3. During this process the pressure of the gas remains at a constant value of 2.62 105 Pa. JAn ideal gas expands isothermally, performing 5.00×103 J of work in the process. Part A Calculate the change in internal energy of the gas. Part B Calculate the heat absorbed during this expansion.A gas expands from 2.2 L to 3.6 L against a constant external pressure of 1.6 atm. What is the work done? A. -227 J B. 227 J C. 2.24 J D. -2.24 J
- 3.0 moles of helium gas, that initially occupies a volume of 30L at a temperature of 280 K, isothermally expands to 40 L. How much work does the gas perform on its environment? а. 2.00 kcal b. 3.00 kcal с. 6.00 kcal d. 4.00 kcal е. 5.00 kcalA dart gun contains a spring of spring constant k = 16 N/m which is used to shoot a dart of mass m. The dart leaves the gun at a speed of v = 3.1 m/s after the spring is compressed 1 cm. what is the darts speed when it hits the floor (vf in m/s) if it is fired horizontally at a height of h = 2 m what angle in degree does the darts final velocity make with the horizontal?One mole of an ideal gas, initially at 310 K, is cooled at constant volume so that the final pressure is one-sixth of the initial pressure. Then the gas expands at constant pressure until it reaches the initial temperature. Determine the work done on the gas. -1.93 X kJ Additional Materials eBook
- Which of the following is true about an adiabatic process? Select all those apply. I. It occurs at a constant temperature (AT =0). II. There is no transfer/ exchange of heat (Q = 0) in this process. III. The pressure remains constant. IV. The volume remains constant. V. The adiabatic curve is steeper than the isothermal curve in PV diagram. VI. The isothermal curve is steeper than the adiabatic curve in PV diagram. Answer choices: A. I, II, and V B. I, II, and V C. I, III, and IV D. Il and V E. Il and VI7The temperature of 5 moles of an ideal gas is 300 °C. How much work does the gas do in expanding isothermally to 4 times its initial volume? Given: ideal gas constant R = 8.31 J/(mol K) A.–3.3 x 102 J B.+3.3 x 102 J C.–3.3 x 104 J D.+3.3 x 104 J E.–3.3 x 106 J