A gas sample enclosed in a rigid metal container at room temperature (20.0°C) has an absolute pressure ps. The container is immersed in hot water until it warms to 40 What is the new absolute pressure pa? Express your answer in terms of pi
Kinetic Theory of Gas
The Kinetic Theory of gases is a classical model of gases, according to which gases are composed of molecules/particles that are in random motion. While undergoing this random motion, kinetic energy in molecules can assume random velocity across all directions. It also says that the constituent particles/molecules undergo elastic collision, which means that the total kinetic energy remains constant before and after the collision. The average kinetic energy of the particles also determines the pressure of the gas.
P-V Diagram
A P-V diagram is a very important tool of the branch of physics known as thermodynamics, which is used to analyze the working and hence the efficiency of thermodynamic engines. As the name suggests, it is used to measure the changes in pressure (P) and volume (V) corresponding to the thermodynamic system under study. The P-V diagram is used as an indicator diagram to control the given thermodynamic system.
![Learning Goal:
To understand the ideal gas law and be able to apply it to a wide variety of
situations.
The absolute temperature T, volume V, and pressure p of a gas sample
are related by the ideal gas law, which states that
pV nRT.
Here is the number of moles in the gas sample and R is a gas constant
that applies to all gases. This empirical law describes gases well only if
they are sufficiently dilute and at a sufficiently high temperature that they
are not on the verge of condensing.
In applying the ideal gas law, p must be the absolute pressure, measured
with respect to vacuum and not with respect to atmospheric pressure, and
T must be the absolute temperature, measured in kelvins (that is, with
respect to absolute zero, defined throughout this tutorial as -273°C). If p
is in pascals and Vis in cubic meters, use R 8.3145 J/(mol-K). If
p is in atmospheres and V is in liters, use
R = 0.08206 L-atm/(mol-K) instead.
Part A
A gas sample enclosed in a rigid metal container at room temperature (20.0°C) has an absolute pressure P₁. The container is immersed in hot water until it warms to 40.0°C.
What is the new absolute pressure P2?
Express your answer in terms of p₁-
▸ View Available Hint(s)
P2 =
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VD ΑΣΦ.
Part B Complete previous part(s)
Part C Complete previous part(s)
Review | Constants
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