12. Calculate q, w, ∆U, and ∆H when 50 g of O2(g) initially at a pressure...
12. Calculate q, w, ∆U, and ∆H when 50 g of O2(g) initially at a pressure of 1 bar and volume of 42 L is compressed reversibly and adiabatically to a pressure of 5 bar and volume of 16 L.
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12. Calculate q, w, ∆U, and ∆H when 50 g of O2(g) initially at a
pressure...
Calculate Delta U, Delta H, q and w when 1 mol of Ar at 25 C...
Calculate Delta U, Delta H, q and w when 1 mol of Ar at 25 C is allowed to expand isothermally from 3 atm to 1 atm a) reversibly and b) irreversibly against a constant external pressure of 1 atm.
W 2. One mole of an ideal gas initially at 37°C and 2 bar pressure is...
W 2. One mole of an ideal gas initially at 37°C and 2 bar pressure is heated and allowed to expand reversibly at constant pressure until the final temperature is 287°C. For this gas, Cum = 2.5R, constant over the temperature range. a. Derive related thermodynamic equations (q, w, U, and H) for an ideal gas, when the temperature is changed (5 points). b. Calculate w (work done on the ideal gas), 9 (the amount of heat absorbed by the...
4. (25pts) 20L nitrogen gas is compressed in a tank at 10 bar and 25°C. Calculate the maximum work (in joules) that can be obtained when the gas is allowed to expand reversibly to a pressure of 1...
4. (25pts) 20L nitrogen gas is compressed in a tank at 10 bar and 25°C. Calculate the maximum work (in joules) that can be obtained when the gas is allowed to expand reversibly to a pressure of 1 bar; (a) (10pts) isothermally (b) (15pts) adiabatically The molar heat apacity of nitrogen at constant volume is 20.8 J/K mol. Assume that nitrogen behaves as an ideal gas
4. (25pts) 20L nitrogen gas is compressed in a tank at 10 bar and...
calculate U and H when the pressure of 0.02 mol of an ideal gas at 2...
calculate
U and
H when the pressure of 0.02 mol of an ideal gas at 2 bar and 0.25 L
is reduced to 1 bar and 0.25 L.
calculateU
andH
when the volume of 0.02 mol of an ideal gas at 1 bar and 0.25 L is
increased to 1 bar and 0.50 L.
calculateU
andH
when 0.02 mol of an ideal gas at 2 bar and 0.25 L is expanded to
1.0 bar and 0.50 L isothermally.
Two moles of oxygen gas, which can be regarded as ideal with ?? = 29.4 J/(K...
Two moles of oxygen gas, which can be regarded as ideal with ?? = 29.4 J/(K ∙ mol) (independent of temperature), are initially at 298 K in a volume of 12.5 dm3 . The gas is expanded reversibly to 353 K at constant pressure. Calculate the final volume and q, w, ∆U, ∆H, ∆S. (25 points) 4. Suppose that the gas in question 3 is reversibly compressed to half its volume at constant temperature (298 K). Calculate the final pressure...
please do all the questions below with proper working steps. Initially, the volume and pressure of 0.1 mol...
please do all the questions below with proper working steps.
Initially, the volume and pressure of 0.1 mol of methane gas are 2.90 L (b) and 1 atm, respectively. The gas is allowed to expand adiabatically and reversibly to a pressure of 0.1 atm. Assume that the gas behaves ideally and the value of Cp/Cv is 1.31. (i) What is the final temperature of the gas? (ii) Calculate q, w, AU and AH in joule () for the process. (ii)...
mass is 75kg A diatomic gas is initially at 280 K when its volume is equal...
mass is 75kg
A diatomic gas is initially at 280 K when its volume is equal to your volume and its pressure is 100,000 Pa. It is compressed isothermally to a volume of 1.00x103 m2 and then allowed to expand isobarically for a while before expanding adiabatically back to its original state. What is your volume? What are the pressure, volume, and temperature at the end of the isothermal process? 3. 4. (Hint: your density is approximately 1 000 kg/m2.)...
One hundred cubic meters of carbon dioxide initially at 150 degrees Celsius and 50 bar is...
One hundred cubic meters of carbon dioxide initially at 150 degrees Celsius and 50 bar is to be isothermally compressed in a frictionless piston-and-cylinder device to a final pressure of 300 bar. Assume that this is a reversible process. a.) Use the ideal gas equation of state to calculate: i. The volume of the compressed gas ii. The work done to compress the gas iii. The heat flow on compression b.) Use the van der Waals equation of state to...
A sample of 1.3 mol of CO2 (g) is placed in a 5.0 L rigid container...
A sample of 1.3 mol of CO2 (g) is placed in a 5.0 L rigid container at an initial temperature is 300 K. When 6.98 kJ of heat is added to the system (at constant volume), the temperature rises to 353 K. Calculate q, w, ∆U, ∆H, and CV. The molar heat capacity of O2(g) at constant pressure, is 31.2 J/(K mol) around room temperature. 2.5 mol of O2(g) is heated at constant pressure from 265 K to 310 K....
One mole of O2(g), with CV,m=2.5R, is expanded adiabatically from 301 K and 4.00 bar to 1.60...
One mole of O2(g), with CV,m=2.5R, is expanded adiabatically from 301 K and 4.00 bar to 1.60 bar against a constant external pressure equal to the final pressure. Calculate q, w, ΔU, ΔH, ΔS and ΔSsurr. Enter your answers in the specified units with three or more significant figures . Do not include units as part of your answer. q = ____________ J w = ____________ J ΔU = ____________ J ΔH = ____________ J ΔS = ____________ J mol-1 K-1...
W 2. One mole of an ideal gas initially at 37°C and 2 bar pressure is heated and allowed to expand reversibly at constant pressure until the final temperature is 287°C. For this gas, Cum = 2.5R, constant over the temperature range. a. Derive related thermodynamic equations (q, w, U, and H) for an ideal gas, when the temperature is changed (5 points). b. Calculate w (work done on the ideal gas), 9 (the amount of heat absorbed by the...
4. (25pts) 20L nitrogen gas is compressed in a tank at 10 bar and 25°C. Calculate the maximum work (in joules) that can be obtained when the gas is allowed to expand reversibly to a pressure of 1 bar; (a) (10pts) isothermally (b) (15pts) adiabatically The molar heat apacity of nitrogen at constant volume is 20.8 J/K mol. Assume that nitrogen behaves as an ideal gas
4. (25pts) 20L nitrogen gas is compressed in a tank at 10 bar and...
calculate
U and
H when the pressure of 0.02 mol of an ideal gas at 2 bar and 0.25 L
is reduced to 1 bar and 0.25 L.
calculateU
andH
when the volume of 0.02 mol of an ideal gas at 1 bar and 0.25 L is
increased to 1 bar and 0.50 L.
calculateU
andH
when 0.02 mol of an ideal gas at 2 bar and 0.25 L is expanded to
1.0 bar and 0.50 L isothermally.
please do all the questions below with proper working steps.
Initially, the volume and pressure of 0.1 mol of methane gas are 2.90 L (b) and 1 atm, respectively. The gas is allowed to expand adiabatically and reversibly to a pressure of 0.1 atm. Assume that the gas behaves ideally and the value of Cp/Cv is 1.31. (i) What is the final temperature of the gas? (ii) Calculate q, w, AU and AH in joule () for the process. (ii)...
mass is 75kg
A diatomic gas is initially at 280 K when its volume is equal to your volume and its pressure is 100,000 Pa. It is compressed isothermally to a volume of 1.00x103 m2 and then allowed to expand isobarically for a while before expanding adiabatically back to its original state. What is your volume? What are the pressure, volume, and temperature at the end of the isothermal process? 3. 4. (Hint: your density is approximately 1 000 kg/m2.)...
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