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Chemistry Chapter 11
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Gravity
Terms in this set (28)
What is the SI unit of force
newton
which instrument measures atmospheric pressure
barometer
A pressure of 745 mm Hg equals
745 torr.
Convert the pressure 1.30 atm of kPa
132 kPa
Standard temperature is exactly
0C
Who developed the concept that the total pressure of a mixture of gases is the sum of their partial pressures
Dalton
a mixture of four gases exerts of total pressure of 860 mm Hg. Gases A and B each exert 20 mm Hg. Gas C exerts 110 mm Hg. What pressure is exerted by gas D?
310 mm Hg
Using Chart from Test
What is the partial pressure of water vapor in oxygen gas collected by water displacement at 10C and 750 mm Hg
9.2 mm Hg
Using Chart from Test
A sample of gas is collected by water displacement of 600.0 mm Hg and 30C. What is the partial pressure of the gas?
568.2 mm Hg
Using Chart from Test
A sample of oxygen occupies 560 mL when the pressure is 800.00 mm Hg. At constant temperature, what volume does the gas occupy when the pressure decreased to 700.0 mm Hg?
640 mL
Using Chart from Test
The volume of a gas is 5.0 L when the temperature is 5.0C. If the temperature is increased to 10C without changing the pressure, what is the new volume
5.1L
Using Chart from Test
On a cold winter morning when the temperature is -13C, the air pressure in the automobile tire is 1.5 atm. If the volume does not change, what is the pressure after the tire was warned to 15C?
1.7 atm
Using Chart from Test
The pressure of a sample of gas at 100 C increases from 700 mm Hg to 900 mm Ht. What is the new temperature?
90.9C
Using Chart from Test
The volume of a sample of oxygen is 300.0 mL when the pressure is 1.00 atm and the temperature is 27.0 C. At what temperature is the volume 1.00 L and the pressure 0.500 atm?
227C
When Gay-Lussac's loofa combining volumes holes, which of the following can be expressed in ratios of small whole numbers?
volumes of gaseous reactants and products
If 0.5 L of O2(g) reacts with H2 to produce lL of H{2}O(g), what is the volume of H{2}O(g) obtained from 1L of O{2}(g)?
2L
The equation of the productions of methane id C + 2H{2}O(g) -> CH{4}(g). How many liters of hydrogen are need to produce 20. L of methane?
40L
The principle that under similar pressures and temperatures, equal volumes of gases contain the same number of molecules s attributed to
Avogadro
The standard molar volumes of gas at STP is
22.4L
A 1.00 L sample of a gas has a mass of 1.92 g at STP. What is the molar mass of the gas?
43.0 g/m0l
Name an equations are statement of the ideal law (3)
PV/T=nR
P/n=RT/V
R=PV/nT
What is the value of the gas constant
0.0821 L
atm/Mol
K
Calculate the approximate volume of the 0.600 no sample of gas at 15.0C and a pressure of 1.10 atm
12.9L
A gas sample with a mass of 12.8G exerts a pressure 1.2 atm at 15C and a volume of 3.94L. What is the molar mass of the gas?
64 g/mol
How many times greaters the rate of effusion of molecular fluorine than that of molecular bromine at the same temperature and pressure
2.051
Fluorine gas reacts violently with water to produce hydrogen fluoride and ozone according to the following equation:
3F{2}(g) + 3H{2}O(l) -> 6HF(g) + O{3}(g)
What volumes O{3} and HG gas would be produced by the complete reaction of 3.60 x 10[4] mL of fluorine gas? All gases are measured under the same conditions.
...
An unknown gas has a density of 0.0263 g/mL at a pressure of 0.918 atm and a temperature of 10C. What is the molar mass of the gas
663 g/mol
A student collects 450 mL of HCl(g) hydrogen chloride gas at a pressure of 100 kPz and a temperature of 17C. What is the volume of the HCL at 0C and 101.3 kPa?
418mL
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