08:41<46...Homework 8-Kinetic theory of Gases.pdfHomework 81. Calculate, in the standard state:(1) What is the average translational kinetic energy of the oxygenmolecules and the hydrogen molecules?(2) How many molecules are there in 1 m³ gas?2. Supposing there is one mole oxygen at 300K, find (1) the translationalkinetic energy; (2) the rotational kinetic energy for the gas. How aboutthe change of the total netic energy when AT-IK?3. What is the change in internal energy as the temperature increases 1K?(1) For 1 mol of monatomic molecules, Imol diatomic molecules and1mol polyatomic molecules respectively. (2) Answer the samequestion for 1g of N₂ and 1g of H₂.85%← 13:00<ا... 46ofHomework 9-Foundamentalsthermodynamics(2).pdfHomework 91. A monatomic ideal gas is contained in a cylinder closed with amovable piston. The initial pressure is 8 atm. and the initial volume is0.5L. The gas is heated first at constant pressure until the volumebecomes to 1.5L, then expands isothermally until the volume isdoubled, finally cooled down at constant volume until the pressuredrops to 1 atm. (1) How much work is done by the gas in the threeprocesses? (2) What is the change in internal energy? (3) How muchheat is supplied to system?2. 2 mol of Helium (assume an ideal gas) expanded adiabatically froman initial state (T; =300K) until the volume is doubled. (1) Calculatethe work done by the gas; (2) What would be the answer if the gas hadexpanded isothermally from the same initial state to the same finalvolume?Pt3. One mole of a monatomic ideal gas iscaused to go through the cycle asshown in the figure. Process be isadiabatic expansion. P-10 atm,V-1.0m³ and V-8.0m³. Find (a)which processes absorb heat fromsurroundings and how much heat isadded in the processes; (b) whichaVprocesses remove heat from systemand the heat amount leaving the gas; (c) the net work done by the gas;(d) the efficiency of the cycle.43%←

Note: We are authorized to answer one question at a time, since you have not mentioned which…

Homework 8 1. Calculate, in the standard state: (1) What is the average translational kinetic energy of the oxygen molecules and the hydrogen molecules? (2) How many molecules are there in 1 m³ gas? 2. Supposing there is one mole oxygen at 300K, find (1) the translational kinetic energy; (2) the rotational kinetic energy for the gas. How about the change of the total kinetic energy when AT=IK? 3. What is the change in internal energy as the temperature increases 1K? (1) For 1 mol of monatomic molecules, 1 mol diatomic molecules and Imol polyatomic molecules respectively. (2) Answer the same question for 1g of N₂ and 1g of H₂.

Homework 8 1. Calculate, in the standard state: (1) What is the average translational kinetic energy of the oxygen molecules and the hydrogen molecules? (2) How many molecules are there in 1 m³ gas? 2. Supposing there is one mole oxygen at 300K, find (1) the translational kinetic energy; (2) the rotational kinetic energy for the gas. How about the change of the total kinetic energy when AT=IK? 3. What is the change in internal energy as the temperature increases 1K? (1) For 1 mol of monatomic molecules, 1 mol diatomic molecules and Imol polyatomic molecules respectively. (2) Answer the same question for 1g of N₂ and 1g of H₂.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Solutions

Solutions can be considered as homogeneous mixtures which contain two or more than two chemical substances. The chemical substance which is the greater part is defined as solvent. And the chemical substance that is dissolved in a solvent is referred to as solute. Solution chemistry plays an important role in chemistry since it supports many commercial applications of solutions.

Question

08:41
<
46...
Homework 8-Kinetic theory of Gases.pdf
Homework 8
1. Calculate, in the standard state:
(1) What is the average translational kinetic energy of the oxygen
molecules and the hydrogen molecules?
(2) How many molecules are there in 1 m³ gas?
2. Supposing there is one mole oxygen at 300K, find (1) the translational
kinetic energy; (2) the rotational kinetic energy for the gas. How about
the change of the total netic energy when AT-IK?
3. What is the change in internal energy as the temperature increases 1K?
(1) For 1 mol of monatomic molecules, Imol diatomic molecules and
1mol polyatomic molecules respectively. (2) Answer the same
question for 1g of N₂ and 1g of H₂.
85%
←

13:00
<
ا... 46
of
Homework 9-Foundamentals
thermodynamics(2).pdf
Homework 9
1. A monatomic ideal gas is contained in a cylinder closed with a
movable piston. The initial pressure is 8 atm. and the initial volume is
0.5L. The gas is heated first at constant pressure until the volume
becomes to 1.5L, then expands isothermally until the volume is
doubled, finally cooled down at constant volume until the pressure
drops to 1 atm. (1) How much work is done by the gas in the three
processes? (2) What is the change in internal energy? (3) How much
heat is supplied to system?
2. 2 mol of Helium (assume an ideal gas) expanded adiabatically from
an initial state (T; =300K) until the volume is doubled. (1) Calculate
the work done by the gas; (2) What would be the answer if the gas had
expanded isothermally from the same initial state to the same final
volume?
Pt
3. One mole of a monatomic ideal gas is
caused to go through the cycle as
shown in the figure. Process be is
adiabatic expansion. P-10 atm,
V-1.0m³ and V-8.0m³. Find (a)
which processes absorb heat from
surroundings and how much heat is
added in the processes; (b) which
a
V
processes remove heat from system
and the heat amount leaving the gas; (c) the net work done by the gas;
(d) the efficiency of the cycle.
43%
←

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