Concept - from ideal gas equation, if volume remains constant, the pressure is directly proportional to temperature. We use this to find the final temperature as shown below. Use the initial pressure, volume and temperature to find the number of moles.
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Suppose the temperature of 4.33 L of ideal gas drops from 350 K to 275 K...
a cylinder contains 10 moles of an ideal gas at a temperature of 300 K. The gas is compressed at constant pressure until the final volume equals 0.77 times the initial volume. The molar heat capacity at constant volume of the gas is 24.0 j/mol. What is the heat absorbed by the gas in kJ
An ideal gas is allowed to expand from 7.20 L to 10.8 L at constant temperature. By what factor does the volume increase? factor: The pressure will decrease by that same factor. increase by that same factor. If the initial pressure was 113 atm, what is the final pressure? Pinal = The volume of a sample of hydrogen gas was decreased from 14.32 L to 7.61 L at constant temperature. If the final pressure exerted by the hydrogen gas sample...
d. Two moles of an ideal gas are compressed in a cylinder at a constant temperature of (75°C) until the original pressure, (2x10$ Pa), is tripled. Given that (R = 8.314 J/mol-K), Find: (1) The amount of work done. () The final volume of the gas.
An ideal gas has initial volume of 0.380 m3 and pressure of 9.80 ✕ 104 Pa. (a) If the initial temperature is 284 K, find the number of moles of gas in the system. (b) If the gas is heated at constant volume to 387 K, what is the final pressure?
The volume of 3.3 mol of ideal gas is 45.7 L at 350 K. Calculate its pressure (in atmospheres). L atm L kPa • Use R = 0.08206 314 for the ideal gas constant. mol K Your answer should have two significant figures. Do NOT include units in your response. mol K for the Provide your answer below:
Suppose an ideal monoatomic gas at initial temp of 475 K is compressed from 3 L to 2 L while its pressure remains constant at 1.00 times 105 Pa. (1L = 10 - 3 m3) Find: Work done on the gas DeltaU Energy transferred by heat Q.
The volume of an ideal gas is adiabatically reduced from 184 L to 87.5 L. The initial pressure and temperature are 1.60 atm and 340 K. The final pressure is 4.53 atm. (a) Is the gas monatomic, diatomic, or polyatomic? (b) What is the final temperature? (c) How many moles are in the gas?
(a) An ideal gas occupies a volume of 1.8 cm3 at 20°C and atmospheric pressure. Determine the number of molecules of gas in the container. _____________ molecules (b) If the pressure of the 1.8-cm3 volume is reduced to 2.4 ✕ 10−11 Pa (an extremely good vacuum) while the temperature remains constant, how many moles of gas remain in the container? ____________ mol
(a) An ideal gas occupies a volume of 1.2 cm3 at 20°C and atmospheric pressure. Determine the number of molecules of gas in the container. __ moleculues (b) If the pressure of the 1.2-cm3 volume is reduced to 1.6 ✕ 10−11 Pa (an extremely good vacuum) while the temperature remains constant, how many moles of gas remain in the container? __ mol
Ideal Gas: Please show all work and explain (a) An ideal gas expands adiabatically from a volume of 2.2 × 10-3 m3 to 3.2 × 10-3 m3. If the initial pressure and temperature were 5 pressure Pa temperature (b) In an isothermal process, an ideal gas expands from a volume of 2.2 10-3 m3 to 3.2 10-3 m3. If the initial pressure and temperature were 5.0 x 105 Pa and 280 K, respectively, what are the final pressure (in Pa)...