A sample of carbon dioxide (37.11K-1 mol) of mass 3.75 g at 27C is allowed to...
6. A sample consisting of 5.00 g of argon gas at 25.0 °C is allowed to expand adiabatically and reversibly from 150 cm' to 800 cm. Calculate (a) the work done by the gas, (b) AS, (C) AU and (d) AH for the process. Given that Cvm - 12.471 JK mol''. (16 pts) (b) (c) (d) JK J J
E2C.4(a) When 120 mg of naphthalene, C10H8(s), was burned in a bomb calorimeter the temperature rose by 3.05 K. Calculate the calorimeter constant. By how much will the temperature rise when 150 mg of phenol, C6H5OH(s), is burned in the calorimeter under the same conditions?E2C.8(a) Estimate ΔrHΘ (500 K) for the reaction C(graphite) + O2(g) → CO2(g) from the listed value of the standard enthalpy of formation of CO2(g) at 298 K in conjunction with the data on the temperature-dependence...
[8] Consider a system consisting of 1.5 mol CO2(g), initially at 15oC and 9.0 atm and confined to a cylinder of cross-section 100.0 cm2. The sample is allowed to expand adiabatically against an external pressure of 1.5 atm until the piston has moved outwards through 15 cm. Assume that carbon dioxide may be considered a perfect gas with Cv.m-288] K-1 mol-1, and calculate (a) q, (b) w, (c) Δυ, (d) ΔΤ, (e) as
A sample of 18 g of oxygen gas (O2) is confined in a container at 200 kPa and 273 K. The gas is allowed to expand adiabatically and reversibly to 100 kPa. Calculate the final temperature of the gas. The molar heat capacity at constant pressure (CP,m) of O2 is 29.355 J mol-1 K-1
Consider a system consisting of 3.0 mol CO2(g), initially at 35°C and 9.0 atm and confined to a cylinder of cross-section 100.0 cm2. The sample is allowed to expand irreversibly and adiabatically against an external pressure of 2.5 atm until the piston has moved outwards through 25 cm. Assume that carbon dioxide may be considered a perfect gas with CV,m = 28.8 J K–1 mol–1, and calculate (a) q, (b) w, (c) ΔU, (d) ΔT, (e) ΔS.
1- A sample of carbon dioxide gas at a pressure of 1.03 atm and a temperature of 210 °C, occupies a volume of 546 mL. If the gas is cooled at constant pressure until its volume is 443 mL, the temperature of the gas sample will be ______ °C. 2- A sample of nitrogen gas at a pressure of 831 mm Hg and a temperature of 81 °C, occupies a volume of 6.66 liters. If the gas is heated at...
Question 3 1 pts The molar mass of carbon dioxide is g/mol. Use the periodic table on the inside cover of your textbook. Question 4 1 pts A sample of NaHCO3 weighs 2.80g. The number of moles of NaHCO3 in the sample is .0333 moles. Question 5 1 pts A 2.83g sample of carbon dioxide contains .0643 moles of carbon dioxide.
11. Calculate the mass of carbon dioxide produced when 150 cm3 of 1.00 mol dm3 hydrochloric acidHCl(aq), is added to 10.0 g of calcium carbonate, CaCO3.
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...
Vol calculate mol sample of an ideal gas expands reversibly and isothermally to a final OL If the initial pressure is 7.0 am and the temperature is 57.0°C (a) the initial volume of the gas (b) the final pressure of the gas (c) the work done in kJ (5) A 2 50 mol sample of an ideal monoatomic gas at 300K expands adiabatically and reversibly from a volume of 15.0 L to 60.0L Calculate the (a) final temperature of the...