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Mice21 [21]
2 years ago
11

What is a no polar covalent bond?

Chemistry
1 answer:
IRISSAK [1]2 years ago
5 0

Answer:

B

Explanation:

the electrical charges of nonpolar molecules are evenly distributed across the molecule

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Try to rationalize the sign of ΔS∘rxn in each case.
bonufazy [111]

Answer:

a) decrease, gas

b) increase, gas

c) liquid

d) increase, solid

Explanation:

Entropy refers to the degree of disorderliness of a system. If the number of moles of gas increases from left to right in a reaction, the entropy of the system increases positively.

Similarly, when the number of liquid molecules remain constant, there could only be a very little increase in entropy.

However, solids have the least entropy and the entropy of a system decreases when a system yields solid products.

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3 years ago
Give an example of two other body systems that work together and explain how they support each other.
gulaghasi [49]

Answer:

2 examples are cardiovascular and respiratory systems.

7 0
3 years ago
A mutation occurs whenever one of the bases in DNA is changed. What letters represent those bases?
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5 0
2 years ago
A welding torch produces a flame by burning acetylene fuel in the presence of oxygen. the energy released from the acetylene fue
Sveta_85 [38]

A welding torch produces a flame by burning of acetylene fuel then energy released from the acetylene fuel is then used to melt a metal, so transformation of chemical energy into thermal energy takes place.

<h3>What is transfer of energy?</h3>

Energy neither can be produced nor destroyed but it only transfers from one form to other form.

In the question it is given that, burning of acetylene produces energy and this produced energy is a type of chemical energy and then this is used as a thermal energy for the melting of metal.

So conversion of kinetic energy to potential energy, thermal energy to electromagnetic energy and potential energy to chemical is wrong.

Hence transformation of chemical energy into thermal energy takes place.

To know more about transformation of energy, visit the below link:

brainly.com/question/14754310

4 0
2 years ago
Find examples for each polysaccharides type.​
Tanzania [10]

Answer:

Glycogen: It is made up of a large chain of molecules. ...

Cellulose: The cell wall of the plants is made up of cellulose. ...

Starch: It is formed by the condensation of amylose and amylopectin. ...

Insulin: It is made up of a number of fructofuranose molecules linked together in chains.

Explanation:

5 0
3 years ago
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