Question

17) Three moles of an ideal monatomic gas expand at a constant pressure of 2.70 atm ; the volume of the gas changes from 3.10×10−2 m3 to 4.60×10−2 m3 .

**Part A**

Calculate the initial temperature of the gas.

**Part B**

Calculate the final temperature of the gas.

**Part C**

Calculate the amount of work the gas does in expanding.

**Part D**

Calculate the amount of heat added to the gas.

**Part E**

Calculate the change in internal energy of the gas.

Answer #1

Three moles of an ideal monatomic gas expand at a constant
pressure of 2.90atm : the volume of the gas changes from
3.30*10^-2m^3 to 4.50*10^-2m^3.
Part A, Calculate the initial temperature of the gas.
Part B, Calculate the final temperature of the gas.
Part C, Calculate the amount of work the gas does in
expanding.
Part D, Calculate the amount of heat added to the gas.
Part E, Calculate the change in internal energy of the gas.

Three moles of a monatomic ideal gas are heated at a constant
volume of 2.90 m3. The amount of heat added is 5.10 103 J.
(a) What is the change in the temperature of the gas?
_____K
(b) Find the change in its internal energy.
_____J
(c) Determine the change in pressure.
_____Pa

2.)1.0 mol sample of an ideal monatomic gas originally at a
pressure of 1 atm undergoes a 3-step process as follows:
(i) It expands
adiabatically from T1 = 588 K to T2 = 389 K
(ii) It is compressed at
constant pressure until its temperature reaches T3 K
(iii) It then returns to its
original pressure and temperature by a constant volume process.
A). Plot these processes on a PV diagram
B). Determine the temperature T3
C)....

8. Three moles of a monatomic ideal gas are
heated at a constant volume of 2.10 m³. The amount of heat added is
5.3 x 10^3J. Determine the change in pressure.

An ideal monatomic gas is contained in a vessel of constant
volume 0.400 m3. The initial temperature and pressure of the gas
are 300 K and 5.00 atm, respectively. The goal of this problem is
to find the temperature and pressure of the gas after 18.0 kJ of
thermal energy is supplied to the gas.
(a) Use the ideal gas law and initial conditions to calculate
the number of moles of gas in the vessel. 80.99 Correct: Your
answer is...

4. Three moles of a monatomic ideal gas are initially at a
pressure of 1.00 atm and a temperature of 20.0OC. The gas is
compressed adiabatically to a final pressure of 5.00 atm. Find: (a)
the initial volume of the gas; (b) the final volume of the gas; (c)
the final temperature of the gas; (d) the work done by the gas
during the compression.
Answers: (a) 72.1 L; (b) 27.5 L; (c) 285 OC; (d) -97.8
atm-L
Please show...

An ideal monatomic gas is contained in a vessel of constant
volume 0.330 m3. The initial temperature and pressure of the gas
are 300 K and 5.00 atm, respectively. The goal of this problem is
to find the temperature and pressure of the gas after 24.0 kJ of
thermal energy is supplied to the gas.
(a) Use the ideal gas law and initial conditions to calculate
the number of moles of gas in the vessel. Your response differs
from the...

A closed piston-cylinder system contains a 120
moles of neon, a monatomic ideal gas, at pressure
PA = 2.5 atm
and volume VA = 0.80
m3. It undergoes the following cyclic
process:
A -> B: I
There is isothermal expansion to volume double of the original.
B -> C:
Constant-volume process back to its original pressure .
C -> A:
Constant-pressure process back to its initial state
a) Draw a Pressure volume diagram for the cycle. You
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The volume of a monatomic ideal gas doubles in an adiabatic
expansion.
Considering 115 moles of gas with an initial pressure of 350 kPa
and an initial volume of 1.4 m3 . Find the pressure of the gas
after it expands adiabatically to a volume of 2.8 m3 .
Pf= 110 kPa
Find the temperature of the gas after it expands adiabatically
to a volume of 2.8 m3 .

In this problem, 0.90 mole of a monatomic ideal gas is initially
at 285 K and 1 atm.
(a) What is its initial internal energy?
_____ kJ
(b) Find its final internal energy and the work done by the gas
when 420 J of heat are added at constant pressure.
final internal energy ________kJ
work done by the gas _______kJ
(c) Find the same quantities when 420 J of heat are added at
constant volume.
finale internal energy ________kJ
work...

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