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Gases
Page 4
Questions (1,315)
The partial pressure of O2 in your lungs varies from 25 mm Hg to 40 mm Hg. What mass of O2 can dissolve in 1.0L OF water at
4 answers
asked by
jojo
2,841 views
A gas diffuses twice as fast as CF4 (g). The molecular mass of the gas is:
I'm not sure how to figure this out without the rates
7 answers
asked by
Chloe
2,068 views
What is another example of a gas in your classroom? I know air would be one but I can't think of what would be another one
4 answers
asked by
Brandi
1,061 views
A gaseous mixture of O2, H2, and N2 has a total pressure of 1.50 atm and contains 8.20 g
of each gas. Find the partial pressure
4 answers
asked by
Joseph
2,452 views
Which of the following gases is the best choice for inflating a balloon that must remain inflated for a long period of time?
a)
6 answers
asked by
Lee
5,994 views
How many moles of nitrogen are contained in a 250. mL flask at 300 kPa and 300 K
4 answers
asked by
yudie
1,714 views
A 1277 mL sample of nitrogen (N2) was collected by displacement of water at 24 degrees C under a total barometric pressure of
4 answers
asked by
Gabriella
2,197 views
Mixtures of helium and oxygen are used in scuba diving tanks to help prevent ‘the bends’, a
condition caused by nitrogen
6 answers
asked by
alex
3,859 views
At a certain temperature and pressure, one liter of CO2 gas weighs 1.45 g. What is the mass of one liter of C4H10 gas at the
4 answers
asked by
Bill
4,967 views
A sample of gas occupies 3.00 L at 760 torr. Calculate the volume it will occupy at 1.45 atm and the same temperature?
4 answers
asked by
Lisa
2,820 views
Three gases (8.00 of methane,CH4 , 18.0 of ethane,C2H6 , and an unknown amount of propane,C3H8 ) were added to the same 10.0-L
10 answers
asked by
Sarah
1,316 views
a) A 750-mL sample of hydrogen exerts a pressure of 822 torr at 325 K. What pressure does it exert if the temperature is raised
4 answers
asked by
Yates
4,778 views
The rate of effusion of unknown gas X is found to be about 1.5 times that of SF6 gas (MW=146 g/mol) at the same conditions of
4 answers
asked by
Gabriella
1,452 views
a gas has a volume of 1.75 L at -23 degrees Celsius and 150 kPa at what temperature will the gas occupy 1.30 L at 210 kPa
4 answers
asked by
Samantha
1,463 views
A 10.0-L stainless steel container was charged with 2.00 atm of hydrogen gas and 3.00 atm of oxygen gas. A spark ignited the
4 answers
asked by
Anonymous
1,929 views
Consider three one-liter flasks labeled A, B, and C filled with the gases NO, NO2, and N2O, respectively, each at STP.
Which
4 answers
asked by
Anonymous
1,316 views
Pressurized carbon dioxide inflators can be used to inflate a bicycle tire in the event of a flat. These inflators use metal
4 answers
asked by
Anna
1,800 views
If the methane contained in 3.50L of a saturated solution at 25 ∘C was extracted and placed under STP conditions, what volume
4 answers
asked by
CG
2,581 views
Beginning with the ideal gas equation show how density of a vapor may be determined?
I have so far: n = (PV)/(RT) d= m/V n= m/MW
4 answers
asked by
Heidi
2,142 views
A gas mixture contains oxygen and argon at partial pressures of 0.60 atm and
425 mmhg. If nitrogen gas added to the sample
4 answers
asked by
Ashleigh
3,403 views
a sample of gas is collected over water at a temperature of 35 degrees celcius when the barometric pressure reading is 742.0
4 answers
asked by
Jimmy
1,797 views
A mixture contains 5.00 g each of O2, N2, CO2, and Ne gas. Calculate the volume of this mixture at STP. Calculate the partial
4 answers
asked by
~anonymous
4,317 views
A gaseous compound has a density of 0.355 g/L at 17 degree celcius and 189 mmHg. What is the molar mass of the compound?
4 answers
asked by
Eunice
2,106 views
What is the density (in g/L) of hydrogen gas at 18.0 C and a pressure of 1670 psi?
4 answers
asked by
Anonymous
2,802 views
determine the volume of the residual gas at 20.0cm³ of hydrogen was sparked with 15.0cm³ of oxygen and the resulting mixture
4 answers
asked by
chibuzor
395 views
A sample of 0.010 mol of oxygen gas is confined at 37 °C and 0.216 atmosphere. What would be the pressure of this sample at 15
4 answers
asked by
haziqspy
983 views
Four gases were combined in a gas cylinder with these partial pressures: 3.5 atm N2, 2.8 atm O2, 0.25 atm Ar, and 0.15 atm
9 answers
asked by
anonymous
9,058 views
A "neon" sign contains 2.4¡Ñ10^2mL of argon. Assuming that the gas is at standard temperature and pressure, there is 1.00
4 answers
asked by
Anonymous
1,396 views
A scuba diver takes a 2.3L balloon from the surface, where the pressure is 1.0atm and the temperature is 37degrees C, to a depth
4 answers
asked by
Jessica
1,944 views
At a pressure of 103 kPa and a temperature of 22oC, 52.9 g of a certain gas has a volume of 31.5 L. What is the identity of this
4 answers
asked by
Brandi
1,819 views
Determine the number of moles of Krypton contained in a 3.25 liter gas tank at 5.80 bar and 25.5 °C. If the gas were Oxygen
3 answers
asked by
help
566 views
The number of hydrogen gas present in 2.24dm3 of the gas at S.T.P
3 answers
asked by
Tioluwani
678 views
Imagine that you have a 7.00L gas tank and a 4.00L gas tank. You need to fill one tank with oxygen and the other with acetylene
6 answers
asked by
James
2,910 views
A 200-mL sample of Oxygen gas is collected at 26 degrees C and a pressure of 690 torr. What volume will the gas occupy at STP (0
4 answers
asked by
Kayla
1,769 views
A 150.0 mL flask contains 0.391 grams of a volatile oxide of sulfur. The pressure in the flask is 750 mmHg and the temperature
4 answers
asked by
Rachel
1,340 views
Argon makes up 0.93% by volume of air. Calculate its solubility in water a 20 C and 1.0 atm. The henry's law constant for argon
3 answers
asked by
guy
1,921 views
An ideal gas has a pressure of 2.5 atm, a volume of 1.0 L at a temperature of 30.°C. How many molecules are there in the gas?
6.
4 answers
asked by
Lola
4,598 views
The density of CO2 (g) at 25°C and 715 torr is:
4 answers
asked by
Anonymous
1,625 views
Nitrous oxide, N2O, has been used as a dental anesthetic. Suppose that the average speed of an N2O molecule at 25°C is 433 m/s.
3 answers
asked by
Samantha
872 views
SO2 (5.00 g) and CO2 (5.00 g) were placed in a 750.0 mL container at 50.0 °C. The partial pressure of CO2 in the container was
5 answers
asked by
nick
6,182 views
Given a sample of gas (2.49 g) with a volume of 752 mL at 335K and 1.98 atm, what is the gas, SO2 or NO2?
PV=nRT
4 answers
asked by
Anonymous
1,624 views
How do you calculate the % empty sapce in 100mL of air. Using Avogadro's number(6.02x10^23) and the average volume of O2 and
4 answers
asked by
Christy
1,805 views
Rank the following gases from least dense to most dense at 1.00atm and 298 K:CO, N20, Cl2, HF.
4 answers
asked by
Leonard
3,765 views
Part 1 of 3:
An apparatus consists of a 2 L flask containing nitrogen gas at 30 degrees C and 758 kPa, joined by a valve to a 11
4 answers
asked by
Gabriella
1,230 views
A 1.44-g sample of an unknown pure gas occupies a volume of 0.336 L at a pressure of 1.00 atm and a temperature of 100.0 degrees
3 answers
asked by
Lily
1,326 views
A balloon contains 10.0g of neon gas. With T kept constant, 10.0g of argon gas is added, and the volume of the balloon expands
3 answers
asked by
Parkin
2,177 views
a gas sample is collected at 16 degrees c and 0.982 atm. if the sample has a mass of 7.40 g and a volume of 3.96 l, find the
4 answers
asked by
jessica
1,521 views
the root mean square speed of a certain gaseous oxide is 493 m/s at 20 C. what is the molecular formula of the compound.
how is
4 answers
asked by
CHEMCHEM
979 views
A 6.0 L flask contains a mixture of methane, argon and helium at 45 degrees C and 1.75 am. If the mole fractions of helium and
4 answers
asked by
Katie
1,183 views
A sample of an unknown gas effuses in 11.1 min. An equal volume of H2 in the same apparatus at the same temperature and pressure
4 answers
asked by
Ashley
2,240 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