Combined Gas Laws

COMBINED GAS LAWS

Combined Gas laws QUIZ

  

Read the problem carefully and click the letter of the best answer from the given choices

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1. A 20L container is filled with Helium and the pressure is 150 atm and the temperature is 30.0*C. How many 5.0L balloons can be filled when the temperature is 22*C and the atmospheric pressure is 755mmhg
   1.   2409 L
   2.   2940 L
   3.   4092 L
   4.   9240 L
2. A sample of Nitrogen gas occupies a volume of 2.00L at 756 mmHg and 0.00*C. The volume increases by 2.00L and the temperature decreases to 137K. What is the final pressure exerted on the gas?
   1.   170 mmHg
   2.   901 mmHg
   3.   190 mmHg
   4.   701mmHg
3. The initial temperature of a 1.00 liter samplke of Argon is 20*C. The pressure is dereased from 720 mmHg and the volume increases to .14 liters. What was the change in temperature of the Argon?
   1.   133k
   2.   231K
   3.   313K
   4.   214K
4. The pressure of 8.40 L of Nitrogen gas in a flexible container is decreased to one-half its original pressure, and its absolute temperature is increased to double the original temperature. What is the new volume?
   1.   456 L
   2.   0.97 L
   3.   33.6 L
   4.   789 L
5. At constant temperature, if the gas amount in the sample is douubled while the pressure is halved, what will happen to the volume of the gas?
   1.   The volume of the gas decreases doubled
   2.   The volume of the gas sample decreases.
   3.   The volume of the gas sample remain constant.
   4.   The volume of the gas sample increases
6. A sample of argon has a volume of 5.o dm and the pressure is o.92 atm . If the final temperature is 30 *C, the final volume is 5.7 L, and the final pressure is 800 mmHg, What was the initial temperature of the Argon?
   1.   222K
   2.   322K
   3.   223K
   4.   232 K
7. 1.85 L of a gas is collected over water at 98.0 KPa and 22.0*C. What is the volume of the dry gas at STP?
   1.   617 L
   2.   716 L
   3.   1.61 L
   4.   871 l
8. A sample of sulfur dioxide occupies a volume of 652 ml at 40*C and 720 mmHg. What volume will the sulfur dioxide occupy at STP?
   1.   540 ml
   2.   504 ml
   3.   450 ml
   4.   405 ml
9. 322 L of Hydrogen occupies a volume of 197 L at STP. If the initial temperature of the Hydrogen was 37*C, What was the initial temperature?
   1.   6.90 atm
   2.   960 atm
   3.   0.69 atm
   4.   906 atm
10. 2.00 L of a gas is collected at 25.0*C and 745.0 mmhg. What is the volume at STP?
    1.   1.796L
    2.   17.96L
    3.   179.6L
    4.   1796L

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