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Vika [28.1K]
3 years ago
11

Need help ASAP please and thank you

Chemistry
1 answer:
Anna35 [415]3 years ago
5 0
The answer is the second choice
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Why benzene is called aromatic compound according to Huckel’s rule?​
scoundrel [369]

Answer:

It obeys rule

Explanation:

Benzene is an aromatic hydrocarbon because it obeys Hückel's rule.

6 0
3 years ago
1- Which of the following has one double covalent bond?
Zielflug [23.3K]

Answer:

C2H6

Explanation:

Carbon forms bonds with itself, this property is called catenation and Carbon also has a tendency to form multiple bonds, double or triple. ... For C2H6, carbon forms double bond with the other carbon, and each carbon has three hydrogen atoms attached to it.

4 0
3 years ago
The force generated by charged objects is called:
Helga [31]

Answer:

coulomb force/ electrostatic force

Explanation:

attraction or repulsion of particles

3 0
3 years ago
Read 2 more answers
6. A silver ring has a mass of 5.25 grams also. Calculate the number of silver atoms present in the ring?
valentinak56 [21]
6. You must divide the mass by it’s molar mass to give you the total amount of moles within that piece. This will give you approx 0.05mol. You can now multiply this value by Avagadros constant which gives you 2.93 x 10^22 atoms. I would expect gold to have less atoms as it’s molar mass is higher than that of silvers, meaning that less atoms would be required to equal the same mass
5 0
4 years ago
Codons.
andrey2020 [161]

Answer:

1. C- Three.

2. A- Methionine

3. D- Translocation.

4. C- OH.

5. A - 5'

6. A - 3' carbon

7. A. adenine and guanine

Explanation:

1. A codon is a group of three nucleotide sequence that encodes or specifies an amino acid. This means that, during translation (second stage of gene expression), when a CODON is read, an amino acid is added to the growing peptide chain.

2. The codon that initiates the translation process is called a start codon. It has a sequence: AUG and it specifies Methionine amino acid. Hence, during translation where a tRNA binds to the mRNA codon to read it and add its corresponding amino acid, a tRNA with a complementary sequence of AUG (start codon) binds to it and carries Methionine amino acid.

3. Translocation is a process during translation whereby the mRNA-tRNA moeity moves forward in the ribosome to allow another codon to move into the vacant site for translation process to continue.

4. The sugar component of a nucelotide that makes up the nucleic acid (DNA or RNA) i.e. ribose or deoxyribose, contains an hydroxyll functional group (-OH).

5. A nucleotide consists of a pentose (five carbon) sugar, phosphate group and a nitrogenous base. The phosphate group (PO43-) is attached to the 5' carbon of the sugar molecule.

6. The free hydroxyll group (-OH) of the five carbon sugar molecule in DNA is attached to its 3' carbon.

7. Nitrogenous bases are the third component of a nucleotide, the other two being pentose sugar and phosphate group. The nitrogenous bases are four viz: Adenine, Guanine, Cytosine, and Thymine. These bases are classified into Purines and Pyrimidines based on the similarity in their structure. Adenine (A) and Guanine (G) are Purines because they possess have two carbon-nitrogen rings, as opposed to one possessed by Pyrimidines (Thymine and Cytosine).

7 0
3 years ago
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