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kolezko [41]
2 years ago
15

Formalin and methanal are both synonymous with formaldehyde

Chemistry
2 answers:
goldenfox [79]2 years ago
8 0

Since the question is incomplete the complete question is as follows:

Formalin and methanal are both synonymous with formaldehyde. True or false?

Formalin as well as methanal are the chemical terms that are used for formaldehyde. Thus, the given statement is true.

  • Formalin is the trade name of formaldehyde.
  • Formaldehyde (HCHO) is also called as methanal. It is an organic compound which is simplest forms of aldehyde.
  • It is mainly used for manufacturing processes related to chemicals.
  • Formaldehyde is produced by the vapor phase oxidation of substrate methanol.

Hence, the given statement is true formalin and methanal are called as formaldehyde.

Learn more about formaldehyde:

brainly.com/question/4905584

Ronch [10]2 years ago
7 0

The formalin and methanal are not synonymous with formaldehyde.

  • Methanal is an IUPAC name of the formaldehyde (common name)
  • Methanal is flammable gas with a pungent odor.
  • It belongs to the class of organic compound in which -CHO, the aldehyde group is present.
  • Formalin is an aqueous solution of 37% of formaldehyde, 15% of methanol in a solution.
  • Formalin is more corrosive than methanal.

So, from this, we can conclude that formalin and methanal are not synonymous with formaldehyde.

Learn more about formalin here:

brainly.com/question/18250547?referrer=searchResults

brainly.com/question/16564225?referrer=searchResults

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Answer:

See explanation

Explanation:

Crystals can be made from methanol by recrystallizing the plant extract from methanol.

The methanol/water system is heated rapidly using a hot plate and the plant extract dissolves in the heating solution until a clear solution is obtained.

The solution is now cooled rapidly. The interior of the flask used for the re crystallization may even by scratched to assist the quick formation of crystals. Large crystals of plant compounds may be obtained using this method. This process should be carried out in a fume hood because of the toxicity of methanol.

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A 35.40 gram hydrate of sodium carbonate, Na2CO3•nH2O, is heated to a constant mass. Its final weight is 30.2 g. What is formula
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Na₂CO₃•H₂O

Explanation:

After it is heated, the remaining mass is the mass of sodium carbonate.

30.2 g Na₂CO₃

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35.4 g − 30.2 g = 5.2 g H₂O

Convert masses to moles:

30.2 g Na₂CO₃ × (1 mol Na₂CO₃ / 106 g Na₂CO₃) = 0.285 mol Na₂CO₃

5.2 g H₂O × (1 mol H₂O / 18.0 g H₂O) = 0.289 mol H₂O

Normalize by dividing by the smallest:

0.285 / 0.285 = 1.00 mol Na₂CO₃

0.289 / 0.285 = 1.01 mol H₂O

The ratio is approximately 1:1.  So the formula of the hydrate is Na₂CO₃•H₂O.

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<h2>The species that furnishes the electrons is called the reducing agent. In this case, the reducing agent is zinc metal.</h2>

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<h2>Hopes this helps. Mark as brainlest plz!</h2>
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