1)Calculate the the amount of gas in a sample which has a volume of 10.1 L at 12.1 atm and 666 K. Make sure you note the units provided.   a. 2.21×10−2mol2.21×10−2mol b. 1.59×100mol1.59×100mol c. 2.24×100mol2.24×100mol d. 6.68×103mol6.68×103mol e. 4.56×101mol

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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1)Calculate the the amount of gas in a sample which has a volume of 10.1 L at 12.1 atm and 666 K.

Make sure you note the units provided.

 

a. 2.21×10−2mol2.21×10−2mol
b. 1.59×100mol1.59×100mol
c. 2.24×100mol2.24×100mol
d. 6.68×103mol6.68×103mol
e. 4.56×101mol

2) The partial pressure of O2 in the atmosphere at sea level is 21.3 kPa.  What is the partial pressure of O2 on the top of a mountain, where the atmospheric pressure is 70.5 kPa?

[Atmospheric pressure at sea level is 101.3 kPa.]

a. 2.0 kPa
b. 70.5 kPa
c. 30.6 kPa
d. 14.8 kPa
e. 21.3 kPa
 

3) Consider the three compounds: pentane (C5H12), water (H2O), and hexane (C6H14).

Which of the options below describes their miscibility?

 

a. Water and hexane are miscible with each other, but neither are miscible with pentane.
b. All three compounds are miscible.
c. None of the compounds are miscible with any other compounds given.
d. Water and pentane are miscible with each other, but neither are miscible with hexane.
e. Hexane and pentane are miscible with each other, but neither are miscible with water.
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