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sweet [91]
3 years ago
7

How is separating a compound more complicate that separating parts of a mixture

Chemistry
1 answer:
sineoko [7]3 years ago
8 0
You can use physical methods to separate a mixture and also some chemical methods too.
Mixture is just a physical combine.
However a compound is a chemical combine so you must use special methods to separate it
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In the cells of the human body, oxgen molecules are used directly in a process that what?
shepuryov [24]

Answer:

cellular respiration. C6H12O6 + 6O2 → 6CO2 + 6H2O.

Explanation:

the process where cells convert chemical energy and/or nutrients into ATP and then the cells release the waste.

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4 years ago
The size of camphor kept in store house gradually decrease in size after few а days? ​
zzz [600]

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Because it goes through the process of sublimation.

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2 years ago
Which statement best descibes what happens when a person sees a orange t-shirt?
tangare [24]
B. light reflects off of the t shirt and enters the human eye
6 0
3 years ago
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3.0 L of oxygen gas is heated from 100k to 250k. What is the new volume after the temperature has been increased???
alexandr402 [8]

Answer:

7.5 L

Explanation:

Using Charles' law, which is V1/T1=V2/T2, we can plug in these numbers to find the answer.  The law states that volume is directly proportional to temperature. 3.0L/100K = x L / 250 K. Solve for x to get 7.5 L. Hope this helps.

7 0
3 years ago
How do you convert volume to moles at STP?
Vanyuwa [196]

The conversion of volume to moles at STP is 1 mole.

The ideal gas equation is given as :

P V = n R T

where,

P = pressure of the gas

V = volume of the gas

n = ?

R = constant = 0.823 atm L / mol K

T = temperature

At STP , the pressure is 1 atm and the temperature is 273.15 K, the volume At STP is 22.4 L.

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n = ( 1 × 22.4 ) / (0.0823 × 273.15)

n = 1 mole

Thus, at STP , the number of moles is 1 mol.

To learn more about moles here

brainly.com/question/8429153

#SPJ4

6 0
1 year ago
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