CHEMISTRY HIGH SCHOOL

A __________ is a large molecule consisting of many repeating structural units.a. monomer
c. polymer
b. isomer
d. elements

Answers

Answer 1
Answer: C. polymer it a large molecule consisting of many repeating structural units.
Answer 2
Answer:

Final answer:

A polymer is a large molecule consisting of many repeating structural units or monomers. The process of formation is called polymerization.

Explanation:

The correct answer to this question is c. polymer. Polymers are large molecules made up of repeating subunits known as monomers. The process in which these monomers connect to form a polymer is called polymerization. An example of a polymer is plastic, which consists of many repeating units of smaller molecules.

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The applied force is less than the force of friction

Answers

Answer:

the applied force is less than the force of friction.

Explanation:

Some isotopes of elements are unstable and decay into other, more stable isotopes over time. for example, it takes 153 years for half of a sample of silicon (si) atoms with 14 protons, 14 electrons, and 18 neutrons to decay. what is the name of this specific silicon isotope.a. silicon-14
b. silicon-32
c. silicon-46
d. silicon-153

Answers

The correct answer is option a, silicon-14

Number of electrons = 14

Number of protons = 14

Number of neutrons = 18

Since atomic number is equal to the number of protons, the atomic number of this specific silicon isotope is 14.

Also, mass number is equal to number of protons and number of neutrons. So mass number so this specific silicon isotope is 14 + 18 = 32

The name of this specific silicon isotope is silicon-14.

Silicon-14 is represented as ³²Si₁₄

Which one is it? Please help

Answers

Chemical properties can only be tested if you change the substance

Answer:

Chemical properties can be tested without changing the substance

Explanation:

22 Which class of organic compounds contains nitrogen?(I) aldehyde(2) alcohol(3) amine(4) ether

Answers

The class of organic compounds that contains nitrogen is (3) amine.

Amines are organic compounds that contain a nitrogen atom bonded to one or more carbon atoms. They can be considered derivatives of ammonia (NH₃), where one or more hydrogen atoms are replaced by organic groups. Amines play essential roles in biological systems and are involved in various chemical reactions and processes. They can be classified as primary, secondary, or tertiary amines based on the number of carbon groups attached to the nitrogen atom.

Hence, the correct option is an amine option 3.

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The answer is (3)amine. The aldehyde structure is -CHO. The alcohol structure is  -OH. The amine structure is -NH2. And the ether structure is R-O-R'. The "R" means other function groups.

According to the Arrhenius Theory a base reacts with an acid to produce

Answers

Water. Arrhenius acids provide a H+ ion and a base provides a OH- ion, which react to form water.

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responsible for making proteins for repair and
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Answers

These are ribosomes definately
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