A closed gas system has 682 J of heat gain from the environment and 439 J of work is done on the gas causing it to be compressed. Calculate the change in internal energy of the gas
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A closed gas system has 682 J of heat gain from the environment and 439 J of work is done on the gas causing it to be compressed. Calculate the change in internal energy of the gas.
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- A gas contained in a cylinder fitted with a frictionless piston expands against a constant external pressure of 1atm from a volume of 5L to a volume of 10L. In doing so, it absorbs 400 J of thermal energy from its surroundings. Determine the change in internal energy of system.Helium (He), a monatomic gas, fills a 0.036 3 m³ container. The pressure of the gas is 5.3 × 105 Pa. How long would a 0.25 hp engine have to run (1 hp = 746 W) to produce an amount of energy equal to the internal energy of this gas? t = iAn ideal gas initially at 305 K undergoes an isobaric expansion at 2.50 kPa. The volume increases from 1.00 m3 to 3.00 m3 and 10.8 kJ is transferred to the gas by heat. (a) What is the change in internal energy of the gas? kJ(b) What is the final temperature of the gas? K
- An ideal gas initially at 340 K undergoes an isobaric expansion at 2.50 kPa. The volume increases from 1.00 m3 to 3.00 m3 and 12.6 kJ is transferred to the gas by heat. (a) What is the change in internal energy of the gas? kJ (b) What is the final temperature of the gas? KIn the following situations, find the change in the internal energy of the system. a) A system absorbs 450 J of heat, and at the same time does 210 J of work. b) 750 J of heat is removed from a gas that is held at constant volume.Two distinct systems have the same amount of stored internal energy. Assume 500 J are added by heat to the first system, and 300 J are added by heat to the second system. What will be the change in internal energy of the first system if it does 200 J of work? How much work will the second system have to do in order to have the same internal energy?
- tab Consider the following figure. (The x axis is marked in increments of 2.5 m³.) P (Pa). esc caps lock 6 x 106 4 X 106 2 x 106 V (m³) 1 (a) Determine the work done on a gas that expands from i to f as indicated in the figure. MJ (b) How much work is performed on the gas if it is compressed from f to / along the same path? MJ ! 1 F1 A NO 2 N FF 200 F2 W S # 3 80 F3 X E * D $ 4 F4 R C % 5 F MacBook Air T V の‥ 6 F6 G & 7 F7 H B 2 EAn air-filled cylinder with a movable piston has a heat reservoir in contact with it. The heat reservoir transfers 850 J of energy into the cylinder. Due to the energy transfer, the piston does 437 J of work on the environment. What is the change in internal energy of the system?