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Gases
Page 6
Questions (1,348)
A sample of N20 gas has a density of 2.65 g/L at 298 K.
What must be the pressure of the gas (in mmHg )?
4 answers
asked by
JULIE
2,205 views
four grams of he are in a sealed, 2l container. If he were a true ideal gas, how would its behaviour differ from its actual
3 answers
asked by
marjani
511 views
Which of the following gases would you keep in an outdoor storage tank in winter?
Explain why. methane(CH4), Propane(C3H8), or
4 answers
asked by
Sara
2,104 views
How many grams of methane gas were used to fill a baloon to a volume of 3.0 L at STP?
3 answers
asked by
Naples
726 views
A sample of air contains 78.8% nitrogen, 20.94% oxygen, 0.05% carbon dioxide, and 0.930% argon by volume. How many molecules of
5 answers
asked by
Katie
1,563 views
What is the partial pressure (in mm Hg) of neon in a 4.00 L vessel that contains 0.442 mol of methane, 0.414 mol of ethane, and
3 answers
asked by
Camarra
1,517 views
If a gaseous mixture is made of 2.41 g of He and 2.79 g of Ne in a evacuated 1.04-L container at 25 degrees Celcius, what will
3 answers
asked by
Leilani
2,034 views
A mixture of He and O2 is placed in a 4.00L flask at 32 degrees Celsius. The partial pressure of the He is 2.7 atm and the
3 answers
asked by
Fernando
807 views
A gaseous mixture of O2 and N2 contains 34.8% nitrogen by mass. What is the partial pressure of oxygen in the mixture if the
4 answers
asked by
Anonymous
4,291 views
Unit 5A (Gasses)
The ideal gas law is PV = nRT. Explain what each variable is in this equation and include a common unit used to
2 answers
asked by
I NEED HELP
146 views
Chlorine gas diffuse through a porous at the rate of 2.1cm cube.calculate the rate of carbon (iv) oxide under the same condition
3 answers
asked by
Anonymous
244 views
A weather balloon is filled with helium that occupies a volume of 5.00 x 104L At 0.995 atm and 32.0℃. After it is released, it
3 answers
asked by
bock
584 views
Which of the following gases at STP would have the greatest volume?
a] 1 mole of O ˇ2 b] 4 moles of He c] 0.2 moles of SO ˇ3 d]
3 answers
asked by
Greg
1,623 views
a gases of mixture 80.0g of oxygen and 56.0g nitrogen has a total pressure of 18atm the partial pressure of the in the mixture
3 answers
asked by
Gaddafi muktal Muhammadu
613 views
Hydrogen holds promise as an environment friendly fuel. How many grams of H2 gas are present in a 52.0 L fuel tank at a pressure
3 answers
asked by
Anthony
1,925 views
Consider two equally sized balloons at room temperature, one filled with oxygen gas and one filled with an unknown gas. If the
3 answers
asked by
bill
981 views
A compressed air tank carried by scuba divers has a volume of 9.5 L and a pressure of 140 atm at 20∘C.
If the gas was instead
4 answers
asked by
Jessica
2,153 views
Consider a mixture of two gases,A and B, confined in accosted vessel. A quantity of a third gas C, is added to the same vas
3 answers
asked by
Martha
1,240 views
Why don't we run out of the important gases that we need to stay alive?
4 answers
asked by
Anonymous
1,356 views
An unknown diatomic gas has a density of 1.428 g/L at STP. What is the identity of the gas? (Enter the formula of the gas. Omit
3 answers
asked by
WhiteRabbit
1,336 views
A sample of argon gas has a volume of 735 mL at a pressure of 1.20 atm and a temp of 112 degrees Celsius. What is the final
4 answers
asked by
Nastasha
3,979 views
A 36.1 mL sample of oxygen gas contains 0.529 mol of oxygen. If enough oxygen is added to the sample to obtain a volume of 50.5
3 answers
asked by
Br¥an
902 views
A gas occupying 10 mL at standard conditions is heated to 10◦C while the pressure is reduced to 0.92114 atm. What is the new
3 answers
asked by
a
862 views
A 1-L flask is filled with 1.25g of argon at 25 ∘C. A sample of ethane vapor is added to the same flask until the total
3 answers
asked by
emily
709 views
A certain gas has a density of 1.053 g/L at 25C and 752 mmHg. What is the molar mass of this gas?
3 answers
asked by
Chelsea
1,230 views
The solubility of nitrogen in water is 8.21 E-4 mol/L at 0°C when the nitrogen pressure above water is 0.790 atm. Calculate the
3 answers
asked by
madd
1,151 views
The atmosphere in a sealed diving bell contained oxygen and helium. If the gas mixture has 0.200 atm of oxygen and a total
4 answers
asked by
Double checking ans
2,341 views
What is the mass of gas dissolved in a solution at 150kPa if 0.35g of the gas dissolves in 2.0L of water at 30kPa?
3 answers
asked by
Jennifer
596 views
The hydrogen gas collected also contains some water vapor. The pressure of this mixture of gases equals the room pressure. find
3 answers
asked by
Anonymous
1,096 views
if 50cm3 of Co2 were put in 40cm3 of O2. Determine the gas that would be in excess and calculate the volume of that would be
3 answers
asked by
Tessy
447 views
A cyclopropane-oxygen mixture is used as an anesthetic. If the partial pressure of cyclopropane in the mixture is 334 mmHg and
4 answers
asked by
Lisa
2,653 views
The density of an unknown gas is 1.72 g/L at 750.0 torr and 30.0°C. Which of the following could be the unknown gas?
a. CS2 b.
3 answers
asked by
Brittany
1,977 views
Dinitrogen oxide (N2 O) gas was generated
from the thermal decomposition of ammo- nium nitrate and collected over water. The wet
4 answers
asked by
Anonymous
918 views
what is the volume at STP of a sample of CO2 that has a volume of 75.0 ML at 30c and 680 mm Hg
4 answers
asked by
annie
1,727 views
A 10.0 g sample of carbon monoxide, a poisonous gas produced by the incomplete combustion of hyrdocarbons, occupies 15.0 l at a
4 answers
asked by
susan
959 views
A sample of Argon gas at standard pressure occupies 1000 mL. At constant temperature, what volume does the gas occupy if the
4 answers
asked by
Jessie
2,629 views
a 5.0 dm3 sample of oxygen at a pressure of 200 kPa and 2.0 dm3 sample of nitrogen at a pressure of 500 kPa are introduced into
3 answers
asked by
sandra
1,808 views
"A 280ml flask contains pure helium at a pressure of 754 torr . A second flask with a volume of 475ml contains pure argon at a
3 answers
asked by
T
1,586 views
Please, help me with this problem...
im a bit confused abt solving it.. In a tank of volume V=7.5 L, temperature T=300 K, there
3 answers
asked by
Gyuzal
1,424 views
A 10.8g sample of a gas has a volume of 5.25L at 25 degrees Celsius and 766mmHg.
If 2.3g of the same gas is added to this
3 answers
asked by
Jen
986 views
Three gases (8.00 of methane, 18.0 of ethane, and an unknown amount of propane, were added to the same 10.0-L container. At 23.0
6 answers
asked by
Jamie
1,494 views
Which of the following gases effuses the fastest at a given temperature?
Ne CH4 Ar H2
4 answers
asked by
smith
2,227 views
A cyclopropane-oxygen mixture is used as an anesthetic. If the partial pressure of cyclopropane in the mixture is 334 mmHg and
4 answers
asked by
Pat
7,765 views
the valve between a 3.00-L tank containing O2(g) at 6.00 atm. and a 5.00-L containing N2(g) at 1.20 atm. is opened. Calcualte
3 answers
asked by
kim
669 views
A mixture of two gases, C2H2 and H2, has the properties listed below.
nC2H2=0.028moles nH2=0.015moles PC2H2=79torr What is the PT
3 answers
asked by
Tiffany
1,230 views
a mixture of 3 gases a, b and c is at a total pressure of 6.11 atm the partial pressure of gas a is 1.68 atm, that of gas b is
3 answers
asked by
jordan
1,197 views
Why is the carbon dioxide gas that carbonates fountain drinks stored in sturdy canisters?
5 answers
asked by
brenton
2,257 views
(a) An ideal gas occupies a volume of 1.6-cm3 at 20°C and atmospheric pressure. Determine the number of molecules of gas in the
4 answers
asked by
Kelsey
1,389 views
A 2.00g sample of a gas SX6 has a volume of 329.5 cm3 at 1.00 atm and 20 celcius. What element is X?
3 answers
asked by
Meg
1,321 views
I need help setting up this problem: A 5.0 sample of O2 is in a container at STP. What volume is the container and how many
3 answers
asked by
alexis
1,035 views
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Parent Categories (30)
Atmosphere
Atmosphere Composition
Atmospheric chemistry
Atmospheric Science
Bond Energies
Chemical Compounds
Chemical elements
Chemical Elements and Compounds
Chemistry
Chemistry/Physics
Elements
Fluid Dynamics
Matter
Natural Sources
Physical Science
Physical Sciences
Physics
Physics/Chemistry
Properties of Matter
Reactions
Respiration
Science and Environment
Science/Chemistry
Solubility
Sources of groundwater pollution
States of Matter
Substances
Thermodynamics
Types of substances
Water solubility