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mojhsa [17]
3 years ago
14

Give at least 3 real-world uses of paper chromatography used in the fields of chemistry and biology.

Chemistry
2 answers:
Alexxandr [17]3 years ago
7 0
Folding , cutting , and to be written on
sp2606 [1]3 years ago
7 0
HI THERE :) 
i can help you !

so with the information given i have determined that the most reasonable answers would be the following . . .
1)cutting it  2)folding it  3) and writing on. I got these answers through research and quizlet.
have a wonderful day :) 
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What's the liquid that passes through a filter?
kirza4 [7]
Filtration can be used to separate an insoluble solid from a liquid, or a precipitate from the reaction mixture in which it formed. The solid which collects in the filter paper<span> is called the residue. The clear liquid which passes through the </span>filter paper<span> is called the filtrate.</span>
6 0
2 years ago
A container of oxygen with a volume of 60 L is heated from 300 K to 400 k, What is the new volume?
Lunna [17]

Answer:

80L

Explanation:

V1/T1 = V2/T2

V2 = V1 T2/T1

T1 = 300K

V1 = 60L

T2 = 400K

V2 = ?

V2 = V1 T2/T1

V2 = (60L)(400K) / (300K)

V2 = 80L

7 0
2 years ago
Which of these statements is not true about chemical reaction rates
grin007 [14]

Answer: The statement (B) is not true about chemical reactions.

Explanation:

A chemical reaction rate is affected by the several factors few of which are temperature, concentration of reactants, surface area etc.

In a chemical reaction, if temperature is increased then the rate of reaction will increase because it will increase the average kinetic energy of the reactant molecules. Thus, large number of molecules will have minimum energy required for an effective collision.

It is known that increasing the amount of reactants will increase the rate of reaction.

Therefore, rate of reaction will change if concentration or temperature is changed.

Hence, the statement (B) is not true about chemical reactions.

6 0
3 years ago
Read 2 more answers
The diagram shows Earth's position in its orbit around the Sun at the beginning of each season
alexdok [17]

Answer: the answer is option 3. C

Explanation:

8 0
2 years ago
Which reaction has the largest positive value of ΔS?. . A.CO2(g) + 3H2(g) → CH3OH(g) + H2O(g). B.2Al(s) + 3S(s) → Al2S3(s). C.CH
Andrej [43]
<span>CH4(g) + H2O(g) → 3H2(g) + CO(g)</span>
4 0
3 years ago
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