1. A balloon filled with helium gas at 20°C occupies 2.91 L at 1.00 atm. The balloon is immersed in liquid nitrogen at -196°C, raising the pressure to 5.20 atm. What is the volume of the balloon in the liquid nitrogen?
1. A balloon filled with helium gas at 20°C occupies 2.91 L at 1.00 atm. The balloon is immersed in liquid nitrogen at -196°C, raising the pressure to 5.20 atm. What is the volume of the balloon in the liquid nitrogen?
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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1. A balloon filled with helium gas at 20°C occupies 2.91 L at 1.00 atm. The balloon
is immersed in liquid nitrogen at -196°C, raising the pressure to 5.20 atm. What is
the volume of the balloon in the liquid nitrogen?
2. One mole of which gas has the greatest density at STP? Show the calculations to
prove the answer
A) Ar
B) N2
C) CO
D) All three gases have the same density.
3. Which one of the following compounds behaves as an acid when dissolved in
water?
A) BaO
B) CH4
C) HBr
D) KOH
4. Assume that you have a sample of gas in a cylinder with a moveable piston, as
shown in diagram (1). The initial pressure, number of moles, and temperature of
the gas are noted on the diagram. Which diagram (2)-(4) most closely represents
the result of doubling the number of moles of gas while keeping the pressure
and temperature constant?
Justify your answer with the relevant gas law
1 atm
1 atm
(1)
T= 325 K
n=0.6 mol
✪
1 atm
(2)
O
Ⓡ
●
(3)
1 atm
DOOOOO
0
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