What is the density of aluminum chloride vapor (AlCl3) at 498 K and 0.939 atm?
1.24 g/L
3.06 g/L
5.17 g/L
7.42 g/L
Answers
Answer:
3.06 g/L
Explanation:
Taking into account the definition of density and ideal gas law, the density of aluminum chloride vapor (AlCl₃) at 498 K and 0.939 atm is 3.06 g/L.
DensityDensity is defined as the property that matter, whether solid, liquid or gas, has to compress into a given space.
In other words, density is a quantity that allows us to measure the amount of mass in a certain volume of a substance. Then, the expression for the calculation of density is the quotient between the mass of a body and the volume it occupies:
[tex]density=\frac{mass}{volume}[/tex]
Ideal gas lawIdeal gases are a simplification of real gases that is done to study them more easily. It is considered to be formed by point particles, do not interact with each other and move randomly. It is also considered that the molecules of an ideal gas, in themselves, do not occupy any volume.
An ideal gas is characterized by three state variables: absolute pressure (P), volume (V), and absolute temperature (T). The relationship between them constitutes the ideal gas law, an equation that relates the three variables if the amount of substance, number of moles n, remains constant and where R is the molar constant of gases:
P×V = n×R×T
Density of aluminum chloride vaporFrom the Ideal gas law, you can get that:
[tex]\frac{n}{V} =\frac{P}{RxT}[/tex]
On the other side, the molar mass of substance is a property defined as the amount of mass that a substance contains in one mole. It can be expressed as:
[tex]molar mass= \frac{mass}{number of moles}[/tex]
Then, the number of moles n can be calculated as:
[tex]n=\frac{mass}{molar mass}[/tex]
So:
[tex]\frac{\frac{mass}{molar mass} }{V} =\frac{P}{RxT}[/tex]
Solving you get the expression:
[tex]\frac{mass }{V} =\frac{Pxmolar mass}{RxT}[/tex]
Considering the definition of density, you finally get:
[tex]density=\frac{Pxmolar mass}{RxT}[/tex]
In this case, you know:
P= 0.939 atmmolar mass of AlCl₃= 133.35 [tex]\frac{g}{mol}[/tex]R= 0.082[tex]\frac{atm L}{molK}[/tex]T= 498 KReplacing in the previous expression for the calculation of the density:
[tex]density=\frac{0.939 atmx133.35\frac{g}{mol} }{0.082\frac{atm L}{molK} x498 K}[/tex]
and solving you get:
density= 3.06 g/L
Finally, the density of aluminum chloride vapor (AlCl₃) at 498 K and 0.939 atm is 3.06 g/L.
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density:
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ideal gas law:
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Related Questions
hello people ~
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A. Polymers cannot form fibres
B. Polymers can be both natural and synthetic
C. Polymer is a natural substance
D. Polymer is a synthetic substance
Answers
Answer:
Polymer can be both natural and synthetic
Explanation:
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B. Vacuole
C. Cell membrane
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Answer:
D. Chromosomes
Explanation:
The DNA is found in the nucleus of each cell. It is in "thread-like" structures, which are called "D. Chromosomes."
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b. Write the electron configuration
c. Identify the number of valence electrons
d. If this atom becomes a 1-ion, what would the electron configuration be?
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Answer:
1)Br
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Answers
Answer:
530 g
Explanation:
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Answers
Answer:red super giant
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If a mineral with a density of 6 g/cm3 is broken into 3, what is the density of each new piece?
A. 2 g/cm^3
B. 6g/cm^3
C. 18 g/cm^3
D. 12 g/cm^3
Answers
Answer:
If a mineral with a density of 6 g/cm3 is broken into 3, the density of each new piece is 6 [tex]\frac{g}{cm^{3} }[/tex]
Explanation:
Density is a quantity that allows us to measure the amount of mass in a certain volume of a substance. In other words, density is the property that matter, whether solid, liquid or gas, has to compress into a given space, the amount of mass per unit volume.
As density is a physical property of matter that is defined as the ratio of an object's mass to its volume, each material or substance has its own density regardless of its size because the ratio between mass and volume is the same.
If a mineral with a density of 6 g/cm3 is broken into 3, the density of each new piece is 6 [tex]\frac{g}{cm^{3} }[/tex]
what is the mass of one mole of carbon-12?
Answers
Answer:
Hello
12 grams
The mass of one mole of carbon-12 atoms is 12 grams.
Hope it helps You.....
Explanation:
If a car can go from 0 to 60 mi/hr in 8.0 seconds, what would be its final speed after 5.0 seconds if its starting speed were 50 mi/hr?
a=
vf=
vi=
t=
Answers
Answer:
87.5 mi/hr
Explanation:
Because a = Δv / Δt (a = vf - vi/ Δt), we need to find the acceleration first to know the change in velocity so we can determine the final velocity.
vf = 60 mi/hr
vi = 0 mi/hr
Δt = 8 secs
a = vf - vi/ Δt
= 60 mi/hr - 0 mi/hr/ 8 secs
= 60 mi/hr / 8 secs
= 7.5 mi/hr^2
Now that we know the acceleration of the car is 7. 5 mi/hr^2, we can substitute it in the acceleration formula to find the final velocity when the initial velocity is 50 mi/hr after 5 secs.
vi = 50 mi/ hr
Δt = 5 secs
a = 7.5 mi/ hr^2
a = vf - vi/ Δt
7.5 = vf - 50 mi/hr / 5 secs
37.5 = vf - 50
87.5 mi/ hr = vf
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a. magnesium chloride, magnesium bromide, magnesium hydroxide, magnesium sulfide
b. calcium chloride, calcium bromide, calcium hydroxide, calcium oxide, calcium cyanide, calcium sulfide
2. Write formulas for the following compounds:
a. sodium hydroxide, sodium cyanide
b. ammonium cyanide
c. barium chloride, barium hydroxide, barium cyanide, barium oxide, barium sulfide
Answers
Answer:
=> The formulas are written above .
Explanation:
hope it's helpful
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Answer:
The mixture of ethanol and water is a liquid-liquid solution. The solvent is Water.
Explanation:
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Answers
Answer: Auxanometer
Explanation:
An auxanometer (Gr. auxain= "to grow" + metron= "measure") is an apparatus for measuring the increase of growth in plants. Sensitive auxanometers allow measurement of growth as small as a micrometer, which allows measurement of growth in response to short-term changes in atmospheric composition.
I hope this helps!
Answer:
An auxonometer is used to measure production in plants
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A. It is saturated, becaues the crystal will not sink to the bottom of the beaker.
B. It is supersaturated, because the crystal sank to the bottom of the beaker.
C. It is saturated, because when the crystal was added to the beaker, the entire solution turned into a solid.
D. It is unsaturated, because the crystal did not dissolve in the solution.
Answers
Answer:
answer is a supersaturated
Explanation:
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Answers
Pipettes and volumetric flasks are types of glassware to be used where accuracy of the concentration is important.
What are Glasswares?These are usually made of glass and are involved in scientific processes in the laboratory.
Glasswares such as Pipettes and volumetric flasks have standard readings which ensures that the accuracy of a measurement is guaranteed.
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Answers
Please help ASAP
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Igneous rocks have crystal grains.
Igneous rocks are larger in size because the rock cooled more slowly after the hot lava came out from the ground.
Igneous rocks have distinct layers that represent the time period when sediments were being deposited in them.
Answers
Answer:
igneous rocks have distinct layers that represents the time period
Explanation:
They are not formed overtime, nor have layers. They are just hardened lava.
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Answers
Answer: True
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A substance in the gas state condenses when it is cooled, which changes it to the liquid state. Continued cooling causes it to freeze, which changes it to the solid state.
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pls help.
Answers
Answer:
Periodic trends are specific patterns that are present in the periodic table that illustrate different aspects of a certain element, including its size and its electronic properties. Major periodic trends include: electronegativity, ionization energy, electron affinity, atomic radius, melting point, and metallic character. Periodic trends, arising from the arrangement of the periodic table, provide chemists with an invaluable tool to quickly predict an element's properties. These trends exist because of the similar atomic structure of the elements within their respective group families or periods, and because of the periodic nature of the elements.
Explanation:
Electron Affinity:
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Electron affinity increases from left to right within a period. This is caused by the decrease in atomic radius.
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Answer:
degree to which a substance dissolves in a solvent to make a solution
is this ok
Answer:
Have Fun
Explanation:
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Oxygen gas
Nitrogen gas
Carbon dioxide
Orone
Answers
Answer:
CO2
Explanation:
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Explanation:
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Answers
Answer:
chlorine-35 (75.53 percent) and chlorine-37 (24.47 percent)
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Answer:
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Explanation:
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Answers
Since rusting is a chemical change, the chain changed its composition as a result of oxidation of iron to hydrated iron(iii) oxide
What are chemical changes?Chemical changes are changes which occur as a result of chemical reactions which occur in substances resulting in the production of new substances.
An example of a chemical change is rusting of iron.
Rusting of iron occurs as a result of the oxidation of iron when exposed to air and water.
The picture shows rusting of iron.
Therefore, the chain changed its composition as a result of oxidation of iron to hydrated iron(iii) oxide.
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Which statement correctly describes why a compound is a pure substance?
A compound is not a pure substance because each of its molecules is made up of the atoms of two or more different elements.
A compound is a pure substance because its molecule cannot be broken down into simpler particles by physical means.
A compound is not a pure substance because it is not an element, and only elements are pure substances.
A compound is a pure substance because it consists of two different elements, which are pure substances.
Answers
Answer:
The second statement
Explanation:
Because it can't be broken by physical means
A compound is a pure substance because its molecule cannot be broken down into simpler particles by physical means. Therefore, option B is correct.
What is pure substance ?A kind of matter with a predictable chemical composition and physical properties is referred to as a chemical substance. According to certain references, chemical substances cannot be physically divided into their component parts.
A pure material has a predictable chemical make-up. A material is the same everywhere it is sampled. The safest pure examples for chemistry homework are elements and compounds. Gold, silver, helium, sodium chloride, and pure water are a few examples.
Water only includes one kind of molecule, making it a pure substance. Only molecules made up of one oxygen atom joined covalently to two hydrogen atoms can be found in pure water.
Thus, option B is correct.
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#SPJ2
is this true or false?
Answers
Answer:
I think it's true
Explanation:
jnwnwnaokajz
chemistry is a natural science that deals with the study of?
Answers
hope this helps x
What would be the effect on the boiling point if you decrease the pressure over a liquid?.
Answers
Answer:
The boiling point will be reduced
hello people ~
One of the following processes does not involve a chemical reaction, that is:
(a) Melting of candle wax when heated
(b) Burning of candle wax when heated
(c) Digestion of food in your stomach
(d) Ripening of banana
Answers
Answer:
A.
Explanation:
The melting of wax is just a physical change, not a chemical one, since melted wax can still reharden and go back to its original state. All the other choices are non-reversible, chemical changes.
Hopefully this helps- let me know if you have any questions!
Answer:
Melting of candle wax when heated
Explanation:
So what's the difference
Physical reaction is reversibleChemical reaction is irreversibleWe can get candle wax back when we melted it so it's physical reaction