A 1-L flask is filled with 1.40 g of argon at 25 °C. Asample of ethane vapour is added to the same flask untilthe total pressure is 1.46 bar.Part AWhat is the partial pressure of argon, PAT, in the flask?Express your answer to three significant figures and include the appropriate units.► View Available Hint(s)PAr=ValueUnitswww.? Part BWhat is the partial pressure of ethane, Pethane, in the flask?Express your answer to three significant figures and include the appropriate units.► View Available Hint(s)Pethane =0ValueUnits?

Answered: A 1-L flask is filled with 1.40 g of…

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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Question

A 1-L flask is filled with 1.40 g of argon at 25 °C. A
sample of ethane vapour is added to the same flask until
the total pressure is 1.46 bar.
Part A
What is the partial pressure of argon, PAT, in the flask?
Express your answer to three significant figures and include the appropriate units.
► View Available Hint(s)
PAr
=
Value
Units
www.
?

Part B
What is the partial pressure of ethane, Pethane, in the flask?
Express your answer to three significant figures and include the appropriate units.
► View Available Hint(s)
Pethane =
0
Value
Units
?

Expert Solution

Step 1: Ideal gas equation

Answer:

$straight P equals nRT over straight V$

Here:

$straight P equals pressure space of space the space gas straight n equals number space of space moles space of space the space gas straight R equals universal space gas space constant straight T equals Temperature space left parenthesis in space straight K right parenthesis straight V equals volume space of space the space gas$

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