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2 years ago

11

Which best describes what is represented by images 1 and 2?

2 answers:

viva [34]2 years ago

8 0

<u>Answer: </u>The correct answer is image 1 shows a monomer, and Image 2 shows a polymer.

<u>Explanation:</u>

A monomer is defined as the molecule that react with the same molecule to form a large molecule known as polymer. These are the repeating units in a polymer.

A polymer is a large molecule which are formed when a large number of same type of molecules react together.

A macro-molecule is defined as a very large molecule such as proteins which are formed by the polymerization of monomers. They are known as natural polymers.

A synthetic polymer are defined as the polymers which are made by humans. They are known as artificial polymers.

In the images given, Image 1 represents a monomer known as ethylene and Image 2 is a polymer known as polyethylene.

Hence, the correct answer is image 1 shows a monomer, and Image 2 shows a polymer,

arlik [135]2 years ago

5 0

the answer is

Image 1 shows a monomer, and Image 2 shows a polymer.

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A reaction has a standard free-energy change of -14.50 kJ mol(-3.466 kcal mol). Calculate the equilibrium constant for the react

den301095 [7]

Answer: The equilibrium constant for the reaction at 25 °C is 346.7

Explanation:

Formula used :

$\Delta G^o=-2.303\times RT\times \log K_c$

where,

$\Delta G^o$ = standard Gibb's free energy change = -14.50kJ/mol =14500 J/mol

R = universal gas constant = 8.314 J/K/mole

T = temperature = $25^0C= (25+273)K=298 K$

$K_c$ = equilibrium constant = ?

Putting in the values we get:

$-14500=-2.303\times 8.314\times 298\times \log K_c$

$\log K_c=2.54$

$K_c=antilog(2.54)=346.7$

The equilibrium constant for the reaction at 25 °C is 346.7

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prisoha [69]

Answer:

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