A gas with a volume of 640 mL at a pressure of 2.91 atm is allowed to expand to a volume of 3.58L. What is the pressure in the container if the temperature remains constant? Be sure to enter aunit with your answer.Answer:.052atmIf the pressure of a sample of gas is tripled under constant temperature, what will happen to thevolume?Select one:a. The volume will decrease by one-third.b. The volume will triple.c. The volume will be reduced by one-half.d. The volume will double.e. The volume will remain the same.Clear my choiceIf 173 mL of neon at 39.9 °C is allowed to expand to 422 mL, what must the new temperature be tomaintain constant pressure? Express your answer in °C. You do not need to enter units.Answer:1829.73

A gas with a volume of 640 mL at a pressure of 2.91 atm is allowed to expand to a volume of 3.58 L. What is the pressure in the container if the temperature remains constant? Be sure to enter a unit with your answer.

A gas with a volume of 640 mL at a pressure of 2.91 atm is allowed to expand to a volume of 3.58 L. What is the pressure in the container if the temperature remains constant? Be sure to enter a unit with your answer.

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter2: The Kinetic Theory Of Gases

Section: Chapter Questions

Problem 81AP: One process for decaffeinating coffee uses carbon dioxide ( M=44.0 g/mol) at a molar density of...

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Concept explainers

Diatomic Gas

Molecule, is a collection of two or more atoms together (which constitute the smallest observable unit) into a pure material. There are some ways to represent the structure of a molecule. Factor symbols represent atoms in Lewis structures, and dots represent electrons that accompany them. A pair of mutual electrons (covalent bond) may be represented by a single dash. The ball-and-stick model depicts the spatial structure of the atoms better.

Question

A gas with a volume of 640 mL at a pressure of 2.91 atm is allowed to expand to a volume of 3.58
L. What is the pressure in the container if the temperature remains constant? Be sure to enter a
unit with your answer.
Answer:
.052atm
If the pressure of a sample of gas is tripled under constant temperature, what will happen to the
volume?
Select one:
a. The volume will decrease by one-third.
b. The volume will triple.
c. The volume will be reduced by one-half.
d. The volume will double.
e. The volume will remain the same.
Clear my choice
If 173 mL of neon at 39.9 °C is allowed to expand to 422 mL, what must the new temperature be to
maintain constant pressure? Express your answer in °C. You do not need to enter units.
Answer:
1829.73

Expert Solution

Step 1

Since there are multiple questions being posted, we are answering the first question.

As the temperature remains constant, the Boyle’s law is given by

$\begin{array}{l} P_{1} V_{1} = P_{2} V_{2} \\ P_{2} = \frac{P_{1} V_{1}}{V_{2}} \end{array}$

Substitute $2.91 atm$ for $P_{1}$ , $640 mL$ for $V_{1}$ , and $3.58 L$ for $V_{2}$ in the above equation.

$\begin{array}{l} P_{2} = \frac{(2.91 atm) (640 mL \times \frac{10^{- 3} L}{1 mL})}{(3.58 L)} \\ = 0.520 atm \end{array}$

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