2.1 mol of monatomic gas A initially has 5000 J of thermal energy. It interacts with 2.9 mol of monatomic gas B, which initially has 8100 J of thermal energy. Part A Which gas has the higher initial temperature? Gas A. O Gas B. Submit Part B What is the final thermal energy of the gas A? Express your answer with the appropriate units. Ef= Submit Part C Request Answer 0 Ef= μA Value Request Answer What is the final thermal energy of the gas B? Express your answer with the appropriate units. μA Units Value Units ? 図]?

2.1 mol of monatomic gas A initially has 5000 J of thermal energy. It interacts with 2.9 mol of monatomic gas B, which initially has 8100 J of thermal energy. Part A Which gas has the higher initial temperature? Gas A. O Gas B. Submit Part B What is the final thermal energy of the gas A? Express your answer with the appropriate units. Ef= Submit Part C Request Answer 0 Ef= μA Value Request Answer What is the final thermal energy of the gas B? Express your answer with the appropriate units. μA Units Value Units ? 図]?

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter3: The First Law Of Thermodynamics

Section: Chapter Questions

Problem 86AP: Five moles of a monatomic ideal gas in a cylinder at 27 is expanded isothermally from a volume of 5...

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Five moles of a monatomic ideal gas in a cylinder at 27 is expanded isothermally from a volume of 5 L to 10 L. (a) What is the change in internal energy? (b) How much work was done on the gas in the process? (c) How much heat was transferred to the gas?
(a) Calculate the work done by the gas along the closed path shown below. The curved section between R and S is semicircular. (b) If the process is carried out in the opposite direction, what is the work done by the gas?
In the text, it was shown that N/V=2.681025m3 for gas at STP. (a) Show that this quantity is equivalent to N/V=2.681019cm3, as stated. (b) About how many atoms are mere in one m3 (a cubic micrometer) at STP? (c) What does your answer to part (b) imply about the separation of Mama and molecules?
(a) What is me gauge pressure in a 25.0C car tire containing 3.60 mol of gas in a 30.0 L volume? (b) What will its gauge pressure be if you add 1.00 L of gas originally at atmospheric pressure and 25.0C ? Assume the temperature returns to 25.0C and me volume remains constant.
2 moles of ideal oxygen gas are kept at 273 K in a volume of 11.35 dm3 with a molar heat capacity at constant pressure, Cp of 29.4 J K–1 mol–1 (independent of temperature). At constant temperature, if the gas is reversibly compressed to half its volume (273 K). a. What has changed to the gas's U? b. What is the gas's final pressure? c. How much is the system being worked on? d. How much heat flows out the system? e. What is the gas's change in H? Kindly indicate the given first. Thank you
2 moles of ideal oxygen gas are kept at 273 K in a volume of 11.35 dm3 with a molar heat capacity at constant pressure, Cp of 29.4 J K–1 mol–1 (independent of temperature). If the gas is heated to 373 K at constant pressure in a reversible manner. a. What is the gas's final volume? b. How much work has been done on the gas system? c. How much heat does the system supplied ? d. What is the increase in gas's enthalpy? f. What is the increase in the internal energy of the gas? Kindly indicate the given. Thank you
At one moment, an ideal gas occupies a volume of 1.2 Liters at a pressure of 2.00x10^5 Pa. It is cooled at constant pressure to a temperature of 1/3 it’s initial temp. A. What is the new volume of the gas (in Liters)? B. How many joules of work were done BY the gas in this process (be careful on whether this quantity is positive or negative)? C. “The internal energy of the gas increased during this process” Is this true or false?
3. 0.5 moles of cinnamaldehyde gas that has an initial volume of ten liters expands under the followingconditions: 185°F and 800mmHg external pressure.a. How much work is done? Express your answer in L atm.b. Assuming that the container is cylindrical with a base radius of 10cm and can only expandvertically, how much kinetic energy does a single molecule possesses if it travels from baseto base of the expanded cylinder in 10μs? Express your answer in J.
a. Compute the specific heat capacity at constant volume of nitrogen (N2) gas. The molar mass of N2 is 28.0 g/mol. b. You warm 1.15 kg of water at a constant 1L volume from 20∘C to 30∘C in a kettle. For the same amount of heat, how many kilograms of 20∘C air would you be able to warm to 30∘C? Make the simplifying assumption that air is 100% N2. What volume would this air occupy at 20∘C and a pressure of 1 atm ?
The thermal energy of 0.700 mol of a substance is increased by 900J. A. What is the temperature change if the system is a monatomic gas? B. What is the temperature change if the system is a diatomic gas? C. What is the temperature change if the system is a solid?
A certain heat engine operates on the PV diagram below. It contains 3.21mol of a monatomic ideal gas. p (Pa × 105) 2.0 a b 0.010 C ➤ V(m³) O 0.040 a. What temperature is the gas at state c? b. What temperature is the gas at state a? c. How much heat is added/removed from the gas over the path c-to-a? d. What is the pressure of state a? e. What is the temperature of state b? f. Find the work and heat for path a-to-b. g. Find the work and heat of path b-to-c. h. Find the efficiency of the engine. i. Would the engine be more, or less efficient if the gas were diatomic?
B. i. State the assumption of the kinetic theory of a gas that addresses molecular movement. ii. Given that: 3/2 kT = ½ m, where T = molecular temperature in kelvin and = molecular mean-square speed, sketch a general graph of T versus molecular root means square speed (c²>). jii. Given that for an ideal gas: PV = nRT, sketch a general graph of P versus T.