An isolated gas (nitrogen, N2), at initial temperature of 22.7 degrees Celsius, is expanded from as initial volume of 0.750L to 1.450L at constant pressure, P=132kPa. During this process the gas absorbs 318.5J of heat.
i. Calculate the work output by the system during this expansion
ii. Estimate the specific heat capacity of the gas for this process. Express your answer in J/kg*K.
An isolated gas (nitrogen, N2), at initial temperature of 22.7 degrees Celsius, is expanded from as...
A group of students place a 0.045 kg water sample, initial temperature 21.5 degrees Celsius, on a heat source. The water is then warmed up to its boiling point then further heated until it is completely evaporated. Note: Both the heat source and the water are in a thermally isolated container. i. Find the total heat absorbed by the water during this process. ii. A similar experiment is performed on an unknown liquid, mass=0.055kg with initial temperature 21.5 degrees Celsius....
16.3L of nitrogen gas, N2 at 25.0 degrees Celsius and 125kPa and 32.2L of oxygen gas, O2 at 25.0 degrees Celsius and 125kPa were transferred to a tank with a volume of 4.75L. What is the total pressure of the mixture at 31.0 degrees Celsius?
Five moles of nitrogen gas is expanded in a piston-cylinder assembly from an initial state of 3 bar and 88 ºC to a final pressure of 1 bar. You can assume nitrogen to behave as an ideal gas with a constant heat capacity CP =7R/2. a) If the expansion is carried out isothermally and reversibly, calculate Q, W, ΔH and ΔU. Draw the process on a pV diagram. Label the axis and the path clearly. b) If the expansion is...
A 25.0vL sample of nitrogen at 6.30 atm and 22 degrees celsius is simultaneously expanded to 61.2 liters and heated to 37 degrees celsius. What is the new pressure of the gas?
A gas sample had an inknown pressure with a temperature of 42
degrees Celsius. The same gas has a pressure of 2.83 atm when the
temperature is -18 degrees Celsius, with no change in volume or
amount of gas. What is the initial pressure, in atm, of the
gas?
Agas sample has a unknown pressure with a temperature of 42°C. The same gas has a pressure of 2.83 atm when the temperature is -18°C with no change in the volume...
Show all your work, thanks!
18. A sample of helium gas (mass of 2.658x10-3kg), is expanded from an initial volume of 15.OL to 25.OL at constant pressure of 121.5kPa. i. Calculate the work output by the system during this expansion. i. Find the temperature change of the gas, for this process. ili. How much heat is absorbed during this process? 19. A container holds pure carbon dioxide gas (N=1.25x10», СОг, at 305.5K. i. Use the Periodic Table to calculate the...
A sample of 1.00 mol of N2 gas is expanded adiabatically from a volume of 10.00 dm3 and a temperature of 400 K to a volume of 20.00 - 3 -dm3. Assume that nitrogen is ideal, with Cv,m = 5R/2. (i) Find the final temperature if the expansion is carried out reversibly. (ii) Calculate the final temperature if the expansion is carried out with a constant external pressure of 1.00 atm. (iii) Find the final temperature if the gas expands...
A sample of N2 gas has a volume of 25.0 L at a pressure of 1.50 atm and a temperature of 23 degrees Celsius. What volume, in liters, will the gas occupy at 3.50 atm and 251 degrees Celsius? Assume ideal behavior. V= L
A 26.9 g sample of nitrogen, N2, has a volume of 50.0 L and a pressure of 670. mmHg . Part A What is the temperature of the gas in kelvins? Express your answer to three significant figures. T = Part B What is the temperature of the gas in degrees Celsius? Express your answer to three significant figures.
A
hot lump of 32.3g of Copper at an initial temperature of 96.5
degrees Celsius in 50mL H2O initially at 25.0 degrees Celsius and
allowed to reach thermal equilibrium. What is the final temperature
of the copper and water, given that the specific hear is 0.385J/g°C
and the specific heat of water is 4.184J/g°C?
4. A hot lump of 41.3 g of copper at an initial temperature of 94.8 °C is placed in 50.0 mL H2O initially at 25.0 °C...