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Gases
Page 9
Questions (1,314)
“Dry ice” is the solid form of carbon dioxide. Determine the number of mass of CO2 gas in grams that are present in 63.9 L
1 answer
asked by
Please Help me
336 views
An unknown amount of helium (He) gas occupies 10.5 L at 1.47 atm pressure and 321 K. What is the mass of helium gas in the
4 answers
asked by
HP
411 views
50cm3 of CO is mixed and sparked with 200cm3 of air containing 20% of O2 if all the volume are measure at stp calculate the
1 answer
asked by
Anonymous
213 views
if air contain 78% Nitrogen by volume ,what is the solubility of nitrogen in whater at 25 degree celucous
2 answers
asked by
faysal
239 views
A sample of N2 (g) and a sample of O2 (g) have equal volumes and are at identical temperatures and pressures. Assuming that N2
1 answer
asked by
Anonymous
275 views
If 1.22 grams of N2 has a volume of 3.81L and a pressure of 5.49atm, what is its Kelvin Temperature?
2 answers
asked by
IRA
206 views
A 3-L flask contains nitrogen gas at 21°C and 0.95atm pressure.
What is the final pressure in the flask if an additional 4 g of
1 answer
asked by
IRA
354 views
If hydrogen diffuse 6 times as fast a gas Z at the same temperature and pressure, calculate the relative molecular mass of Z.
11 answers
asked by
Chukwudi Michael
95 views
which of the following gases was most likely present in earths earliest atmosphere?
a)nitrogen b)hydrogen c)argon d)oxygen
3 answers
asked by
e.money
1,881 views
Which of the following is the most common gas in the atmosphere?
A. Oxygen End of exam B. Methane C. Carbon dioxide D. Nitrogen
2 answers
asked by
Prisila
1,213 views
if co2 were soluble in h2o, how would that affect the calculated value for molecular mass of the co2?
1 answer
asked by
tom
422 views
A sample of carbon dioxide occupies a volume of 1.50L at 165kPa pressure. What pressure would the gas exert if the volume was
3 answers
asked by
nora
853 views
22g N2, 44g CO2 and 18g of CH4 in contenar if the pressure is 750mm calculated of the partial pressure of each gases
1 answer
asked by
Suvam das
388 views
The partial pressure of CO2 inside a bottle of soft drink is 4.0 atm at 25°C. The solubility of CO2 is 0.12 mol/L. When the
4 answers
asked by
Brianna
2,258 views
Two balloons hold two different gases. The gases are held at the same pressure, volume, and temperature. Which quantity can
3 answers
asked anonymously
77 views
A mixture of gases contains twice as many moles of As as Kr. If 0.300 mol of Xe is added to this mixture, the pressure increases
4 answers
asked by
anonymous
420 views
Calculate molarity of air having malar mass 28.8cotaining N2 and O2 only at 273kelvin and 1atm pressure
1 answer
asked by
spriha
329 views
A closed vessel of volume 2.50 dm3 contains 100g of nitrogen (N2) and 100g of carbon dioxide (CO2) at 25 C. What are the partial
2 answers
asked by
Jessy
650 views
What is the difference between a hydrogen filled balloon and an air filled balloon moving in air?
1 answer
asked by
A GOODSTUDENT
438 views
What are the differences between a hydrogen filled balloon and an air filled balloon flying or moving in air?
1 answer
asked by
THE MASTER
401 views
volum of O2 gas at 0 degree is 273cube then volum of O2 gas at-10degree is
1 answer
asked by
jam
363 views
Methane gas contains carbon atoms and hydrogen atoms in the ratio of 1:4 . A sample of methane gas contains 90 atoms. What value
3 answers
asked by
Fatima
48 views
How many moles of methane occupy a volume of 3.00 L at 55.0 degrees C and 0.600 atm? (R=o.o821 atm*L/mol*K)
1 answer
asked by
Mary
352 views
the oxygen produce was colleced by displement method at (22c)at a total pressure of (754torr)the vapor pressure of water at
1 answer
asked by
Muhammad
404 views
Please check.
Oxygen (O2) is about 20% of our air, with about 80% nitrogen and a bunch of minor components. In Colorado Springs,
2 answers
asked by
Student
499 views
A 9.40-L container holds a mixture of two gases at 47 °C. The partial pressures of gas A and gas B, respectively, are 0.344 atm
2 answers
asked by
Richard
517 views
On a clear day at sea level, the partial pressure of N2 in air is 0.78 atm at 25 degres C. Under these conditions, the
3 answers
asked by
Student
512 views
Oxygen has a Henry’s law constant of 1.3*10^-3 mol/kg*bar at 25 °C when dissolving in water. If the total pressure of gas (
1 answer
asked by
Pablo
748 views
1. Oxygen (O2) is about 20% of our air, with about 80% nitrogen and a bunch of minor components. In Colorado Springs, where I
2 answers
asked by
Sanaya
659 views
a steel cylinder of oxygen with a volume of 15 L was available for medical purposes. The cylinder pressure decrease from 40.6 to
1 answer
asked by
Hiba
468 views
a sample of 0.5g gaseous alkane occupies a volume of 200cm3 at STP,find molar Mass
1 answer
asked by
Maria
453 views
A sample of helium has a volume of 521 cc at a pressure of 75 cmHg and a temperature of 18 degrees C. When the temperature is
1 answer
asked by
Anonymous
611 views
Chlorine gas, Cl2, is widely used to purify municipal water supplies and treat swimming pool waters. If it occupies 23.5 cm^3 at
4 answers
asked by
Anonymous
560 views
Calculate the partial pressure of 4.0 g methane when mixed with 16.0 g oxygen. The total pressure of both gases is 600. torr.
2 answers
asked by
Ashlee
517 views
It took 20 seconds for a certain volume of oxygen to effuse through an orifice(small opening) at 298K. How long will it take the
3 answers
asked by
aweda
480 views
Investigation to determine whether expired air contains carbon dioxide
How should state the method, step by step for the
3 answers
asked by
Ashanti
481 views
The air in a typical La Crosse basement contains 53 atoms of 222Rn per liter. A. If the basement has 950 ft^2 of floor space and
5 answers
asked by
Sara
561 views
A sample of O2 gas occupies 1.93L at a pressure of 10.0atm at 100 degree celsius. What volume will the sample occupy at stp?
2 answers
asked by
Tema Andrew
572 views
IF CO2 TRAVELS 20.5 CM DOWN A 46.0 CM GLASS TUBE IN 1.3*10^4 AS IN THE GRAHAMS LAW EXPERIMENT, THEN COLLIDES WITH ANOTHER GAS.
1 answer
asked by
Joseph
421 views
7.34 grams of a gas occupies a volume of 2.5 liters at a pressure of 1216. mm and a temperature of 73 degrees celsius. What is
2 answers
asked by
Ana
696 views
What volume of oxygen gas can be collected
at 0.565 atm pressure and 48.0◦C when 42.9g of KClO3 decompose by heating, according
2 answers
asked by
Sara
959 views
A sample of 2.0 moles of dihydrogen gas is placed in a container with a volume of 10.4 L. What is the pressure of of the gas in
2 answers
asked by
Giselle
496 views
If a gaseous sample contains 74% N2 by volume, what is the solubility of N2 in water at 25°C and 1.0 atm (kH in H2O at 25°C =
2 answers
asked by
Priya
1,048 views
The air that you breathe is a gas.List other gases that you have heard about in a science class.
2 answers
asked by
tommy
611 views
A 5.0 g n2o (laughing gas) that is inside a 12 mL cylinder used used to fill up a 800 mL whipped cream container. Beforehand,
2 answers
asked by
Elena
555 views
methane gas contains carbon atoms and hydrogen atoms in the ratio of 1:4. a sample of methane gas contains 90 atoms. what value
3 answers
asked by
lylah k
31 views
Carbon monoxide is a gas at 0 degree Celsius and a pressure of 1.51x10^5 Pa. It is a diatomic gas, each of its molecules
2 answers
asked by
Kristian
684 views
while the pressure of 1.40 L of a gas is kept constant its temperature increased from 27.0 C to 177 C . calculate the new
3 answers
asked by
daisja
430 views
An ideal gas cannot be...
A. condensed B. cooled C. heated D. compressed
2 answers
asked by
Kay Wills
778 views
which one of the following pairs of gases contains the same no. of molecules:
1 answer
asked by
veer
583 views
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Parent Categories (29)
Atmosphere
Atmosphere Composition
Atmospheric chemistry
Atmospheric Science
Bond Energies
Chemical Compounds
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Chemistry
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Elements
Fluid Dynamics
Matter
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Properties of Matter
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