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gogolik [260]
3 years ago
5

Is Carbon Dioxide a MIXTURE or a PURE SUBSTANCE? I think that it is a mixture since it has two types of atoms; Carbon and Oxygen

Is Carbon Dioxide a MIXTURE or a PURE SUBSTANCE? I think that it is a mixture since it has two types of atoms; Carbon and Oxygen But I am not sure. Is that if two differant element or compounds are together than it is a mixture? Follow Report Abuse Are you sure you want to delete this answer? Yes No
Chemistry
1 answer:
Radda [10]3 years ago
7 0
I think its pure substance since a pure substance can only be made of 1 atom or molecule
therefore carbon-dioxide could be made up of a ton of molecules of carbon
and dioxide.
I may be wrong Though

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Calcule la densidad del hidrógeno H2 en g/L a 327 mm Hg y 48ºc
tankabanditka [31]
<h3>The density of H₂ = 0.033 g/L</h3><h3>Further explanation</h3>

In general, the gas equation can be written  

\large {\boxed {\bold {PV = nRT}}}

where  

P = pressure, atm , N/m²

V = volume, liter  

n = number of moles  

R = gas constant = 0.082 l.atm / mol K (P= atm, v= liter),or 8,314 J/mol K (P=Pa or N/m², v= m³)

T = temperature, Kelvin  

n = N / No  

n = mole  

No = Avogadro number (6.02.10²³)  

n = m / MW

m = mass  

MW = molecular weight

For density , can be formulated :

\tt \rho=\dfrac{P\times MW}{R\times T}

P = 327 mmHg = 0,430263 atm

R = 0.082 L.atm / mol K

T = 48 ºC = 321.15 K

MW of H₂ =  2.015 g/mol

The density :

\rho=\dfrac{0,430263\times 2.015 }{0.082\times 321.15}\\\\\rho=0.033~g/L

4 0
3 years ago
Why does carbon dioxide absorb the most heat energy
nevsk [136]

Answer:

Explanation:

Water vapor, carbon dioxide, methane, and other trace gases in Earth's atmosphere absorb the longer wavelengths of outgoing infrared radiation from Earth's surface. These gases then emit the infrared radiation in all directions, both outward toward space and downward toward Earth

4 0
3 years ago
Help answer this asap!
Zielflug [23.3K]

Answer:

B

Explanation:

Molarity measures the strength of a solution. Remember, a solution is made up of two parts: the solvent (which does the dissolving) and the solute (the substance that is dissolved). The more solute there is, the higher the concentrate and therefore the higher the molarity of the solution. Thus B is the answer

3 0
3 years ago
What happens after a chemical reaction?
crimeas [40]

Answer:

a

Explanation:

................ . .mmmmmm

6 0
3 years ago
An unopened 350 mL can of diet Dr. Pepper will float in a lake. However, it’s also true that an unopened 350 mL can f regular Dr
iren [92.7K]

Answer:

Diet Dr. Pepper

Explanation:

The density of an object and the liquid involved determines if that particular object will float or sink in the particular liquid. An object will FLOAT if its density is lower than that of the liquid substance while it will SINK if its density is higher than that of the liquid substance.

In this case, water (lake) is the liquid substance. According to the question, an unopened 350 mL can of DIET Dr. Pepper will float in a lake because it is less dense than the water while an unopened 350 mL can of REGULAR Dr. Pepper will sink because it is more dense than water.

Hence, the DIET type of soda is the least dense

7 0
3 years ago
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