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3 years ago

The amino acids are combinations of

Chemistry

2 answers:

rosijanka [135]3 years ago

8 0

Answer: option B

Explanation:

Amino acids have both COOH and NH2 groups.

Example, Glycine -NH2CH2COOH

Hence amino acids are the combination of organic acids and amine.

Amino acids are building blocks of proteins.

aalyn [17]3 years ago

5 0

Answer: The correct answer is: [B]:

_________________________________________________

" organic acid and amines " .

_________________________________________________

Note: Choice B: "organic acid and amines" ;

is the only answer choice that contains "amines" (hint:  amino acid / amine) ; which are "proteins" .

As such; Choice "B" is the only correct answer choice.

_____________________________________________________

Hope this helps!

Best wishes to you!

_____________________________________________________

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Does the reaction of a main-group metal oxide in water produce an acidic solution or a basic solution? Write a balanced equation

Fynjy0 [20]

Answer: The main group metal produce a basic solution in water and the reaction is $MO+H_2O\rightarrow M(OH)_2$

Explanation:

Main group elements are the elements that are present in s-block and p-block.

The metals that are the main group elements are located in Group IA, Group II A and Group III A.

Oxides are formed when a metal or a non-metal reacts with oxygen molecule. There are two types of oxides which are formed: Acidic oxides and basic oxides.

Acidic oxides are formed by the non-metals.
Basic oxides are formed by the metals.

When a metal oxide is reacted with water, it leads to the formation of a base.

The general formula of the oxide formed by Group II-A metals is 'MO'

The chemical equation for the reaction of metal oxide of Group II-A and water follows:

$MO+H_2O\rightarrow M(OH)_2$

Hence, the main group metal produce a basic solution in water and the reaction is $MO+H_2O\rightarrow M(OH)_2$

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3 years ago

The empirical formula for a compound is C3H3O the molecular mass is 110 what is its molecular formula

Kisachek [45]

Answer:

emiprical formula is 55

Explanation:

(-^〇^-)

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2 years ago

In Fig 1-2, how should the length indicated by the arrow along the ruler be recorded?

Ksenya-84 [330]

Answer:

C. 0.35cm

Explanation:

The length indicated by the arrow along the ruler should recorded be recorded as "0.35cm".

This is correct because when counting the measurement on the ruler, the first line on the ruler is 0.1cm, the second line is 0.2cm, and so on. The spaces between each line is 0.05cm. So, the arrow is pointing on the space between 0.3cm and 0.4cm.

Therefore, 0.3cm + 0.05cm = 0.35cm.(answer).

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4 years ago

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3 years ago

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PH is your answer

Hope this helps!!

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4 years ago