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Butoxors [25]
3 years ago
7

Can someone please help

Chemistry
1 answer:
oksian1 [2.3K]3 years ago
6 0

Answer:

Even ur best Friend Can you to have red flag feeling

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Why does an evaporating liquid cool down, according to the Kinetic Molecular Theory? a.Heat is required to evaporate a liquid.
kifflom [539]

<em>Answer:</em>

  • The highest velocity molecules are lost.

<em>Explanation:</em>

  • When liquid gets energy, its molecule kinetic energy increases. So molecules move so fastly, as result few highest velocity molecules breaks the forces and evaporates. Due to this removal, overall energy of the system become less which causes the liquid to be cool.
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3 years ago
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What is negative effects for citric acid?​
motikmotik

Negative effects of Citric acid includes numbness or tingly feeling, swelling or rapid weight gain, muscle twitching, cramps and other effects.

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3 years ago
What is the best way to determine if an aqueous solution of sodium nitrate is unsaturated
Marina86 [1]
Solution is said to be saturated, if it contains maximum amount of solute that it can hold.  On other hand, if solution contains less amount of solute as compared to its maximum capacity, it is referred as unsaturated solution.

It may be noted that, solubility of system is depends on temperature. 

Now, if solution is unsaturated then it will dissolve more solute, when added in it. Thus,  <span>sodium nitrate when added to solution get dissolves, it suggest that solution is unsaturated. </span>
6 0
3 years ago
10 Points! Help please!
icang [17]
Your answer to that question is Fand N
8 0
3 years ago
Suppose the concentration of the standard stock solution is 50.04 ppm and that you delivered 4.60 mL of this standard stock solu
12345 [234]

Answer:

9.21 ppm

Explanation:

Considering

concentration_{working\ solution}\times Volume_{working\ solution}=concentration_{stock\ solution}\times Volume_{stock\ solution}

Given  that:

concentration_{working\ solution}=?

Volume_{working\ solution}=25.00mL

Volume_{stock\ solution}=4.60mL

concentration_{stock\ solution}=50.04 ppm

So,  

concentration_{working\ solution}\times 25.00mL=50.04 ppm\times 4.60mL

concentration_{working\ solution}=\frac{50.04\times 4.60}{25.00}\ ppm=9.21\ ppm

4 0
3 years ago
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