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wariber [46]
4 years ago
8

Benzoic acid is in the process of being recrystallized. Your lab partner is in a hurry and after the impure benzoic acid is diss

olved, they quickly submerge the flask in an ice bath and see crystals. Besides possibly breaking the flask, what would be the problem with this technique
Chemistry
1 answer:
bazaltina [42]4 years ago
6 0

Answer:

Impurities will be trapped in the crystals of the benzoic acid crystallized in this manner.

Explanation:

After benzoic acid is dissolved in hot water, it should have been allowed to cool gradually before it is transferred into an ice bath.

This gradual cooling will aid the separation of impurities so that when the vessel is now submerged in an ice bath, only pure benzoic acid is recrystalized.

If the vessel is immediately submerged into an ice bath, impurities will be trapped in the crystals of the benzoic acid.

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Which of the following is not a benefit of using a scientific model?
schepotkina [342]

Answer:

Benifits of scientific modeling

Explanation:

When students are engaged in scientific modeling, they are able to notice patterns and develop and revise representations that become useful models to predict and explain--making their own scientific knowledge stronger, helping them to think critically, and helping them know more about the nature of science.

5 0
3 years ago
Which of the following molecules has/have the same empirical formula as acetic acid (HC2O2H3)? (a) Formaldehyde (b) Benzaldehyde
chubhunter [2.5K]

Answer: Option (a) is the correct answer.

Explanation:

A chemical formula which represents proportions between the elements present in a compound is known as empirical formula.

When chemical or molecular formula is able to be reduced to smaller whole-number ratio of the elements then both molecular and empirical formulas are considered to be the same.

Relation between molecular formula and empirical formula is as follows.

               Molecular formula = n × Empirical formula

where, n is an integer.

Chemical formula of acetic acid is CH_{3}COOH.

Chemical formula of formaldehyde is CH_{2}O. It is the smaller whole-number ratio of molecular formula of acetic acid.

Chemical formula of Benzaldehyde is C_{6}H_{5}COOH.

Chemical formula of glucose is C_{6}H_{12}O_{6}.

Thus, we can conclude that formaldehyde molecules has/have the same empirical formula as acetic acid (HC_{2}O_{2}H_{3}).

5 0
4 years ago
Is this experiment okay for this question???? If not, what would a good one be?
Fed [463]
Yes that would be ok, explain how it works though.
6 0
4 years ago
What happens after we die? spirtually and physically
GREYUIT [131]
We will never come back
3 0
3 years ago
Read 2 more answers
1. How does adding energy to a solid affect the motion of the particles? 2. How can a gas at room temperature (like oxygen) beco
Oksanka [162]
I am not sure sorry
6 0
4 years ago
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