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Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Help with part B in particular, thank you
![MISSED THIS? Watch
KCV: Mixtures of Gases and Partial Pressures,
IWE: Total Pressure and Partial Pressures; Read
Section 6.6. You can click on the Review link to
access the section in your eText.
A gas mixture contains each of the following gases
at the indicated partial pressures: N₂, 129 torr;
O2, 287 torr; and He, 172 torr.
Part A
What is the total pressure of the mixture?
Express your answer in torr to three significant figures.
► View Available Hint(s)
P
=
588 torr
Submit
Part B
Previous Answers
Correct
According to Dalton's law of partial pressures, the total pressure of a mixture of gases is the sum of
the pressures of the individual gases in the mixture. Use the given partial pressures of each of the
gases to calculate the total pressure.
PTotal
=
=
=
PN₂ + PO₂ + PHe
129 torr + 287 torr + 172 torr
588 torr
<
What mass of each gas is present in a 1.00 - L sample of this mixture at 25.0 °C?
Enter your answers in grams to three significant figures separated by commas.](https://content.bartleby.com/qna-images/question/3d57ba8c-0b2f-4dbb-833e-9f04fd4157c5/8d0f48db-cb6c-4880-87eb-69e49c6b165b/54wn0if_thumbnail.jpeg)
Transcribed Image Text:MISSED THIS? Watch
KCV: Mixtures of Gases and Partial Pressures,
IWE: Total Pressure and Partial Pressures; Read
Section 6.6. You can click on the Review link to
access the section in your eText.
A gas mixture contains each of the following gases
at the indicated partial pressures: N₂, 129 torr;
O2, 287 torr; and He, 172 torr.
Part A
What is the total pressure of the mixture?
Express your answer in torr to three significant figures.
► View Available Hint(s)
P
=
588 torr
Submit
Part B
Previous Answers
Correct
According to Dalton's law of partial pressures, the total pressure of a mixture of gases is the sum of
the pressures of the individual gases in the mixture. Use the given partial pressures of each of the
gases to calculate the total pressure.
PTotal
=
=
=
PN₂ + PO₂ + PHe
129 torr + 287 torr + 172 torr
588 torr
<
What mass of each gas is present in a 1.00 - L sample of this mixture at 25.0 °C?
Enter your answers in grams to three significant figures separated by commas.
![MISSED THIS? Watch
KCV: Mixtures of Gases and Partial Pressures,
IWE: Total Pressure and Partial Pressures; Read
Section 6.6. You can click on the Review link to
access the section in your e Text.
A gas mixture contains each of the following gases
at the indicated partial pressures: N₂, 129 torr;
O2, 287 torr; and He, 172 torr.
Correct
According to Dalton's law of partial pressures, the total pressure of a mixture of gases is the sum of
the pressures of the individual gases in the mixture. Use the given partial pressures of each of the
gases to calculate the total pressure.
PTotal
Part B
=
=
=
MN 29
PN₂ + PO₂ + PHe
129 torr + 287 torr + 172 torr
588 torr
What mass of each gas is present in a 1.00L sample of this mixture at 25.0 °C?
Enter your answers in grams to three significant figures separated by commas.
View Available Hint(s)
Hint 1. Rearrange the ideal gas law to solve for moles
Hint 2. Calculate the number of moles of \rm N_2 gas
mo₂, mHe =
|VD ΑΣΦ
Submit Previous Answers Request Answer
X Incorrect; Try Again; 5 attempts remaining
P Pearson
8.0
g](https://content.bartleby.com/qna-images/question/3d57ba8c-0b2f-4dbb-833e-9f04fd4157c5/8d0f48db-cb6c-4880-87eb-69e49c6b165b/b5q2op8_thumbnail.jpeg)
Transcribed Image Text:MISSED THIS? Watch
KCV: Mixtures of Gases and Partial Pressures,
IWE: Total Pressure and Partial Pressures; Read
Section 6.6. You can click on the Review link to
access the section in your e Text.
A gas mixture contains each of the following gases
at the indicated partial pressures: N₂, 129 torr;
O2, 287 torr; and He, 172 torr.
Correct
According to Dalton's law of partial pressures, the total pressure of a mixture of gases is the sum of
the pressures of the individual gases in the mixture. Use the given partial pressures of each of the
gases to calculate the total pressure.
PTotal
Part B
=
=
=
MN 29
PN₂ + PO₂ + PHe
129 torr + 287 torr + 172 torr
588 torr
What mass of each gas is present in a 1.00L sample of this mixture at 25.0 °C?
Enter your answers in grams to three significant figures separated by commas.
View Available Hint(s)
Hint 1. Rearrange the ideal gas law to solve for moles
Hint 2. Calculate the number of moles of \rm N_2 gas
mo₂, mHe =
|VD ΑΣΦ
Submit Previous Answers Request Answer
X Incorrect; Try Again; 5 attempts remaining
P Pearson
8.0
g
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