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kompoz [17]
3 years ago
7

Which of the following materials is likely to be the best insulator?

Chemistry
2 answers:
valina [46]3 years ago
7 0

Answer: Option (b) is the correct answer.

Explanation:

Insulator are the substances which do not conduct electricity. It is known that metals are good conductors of electricity. Whereas non-metals do not conduct electricity.

Out of the given options, silver, and calcium is a metal that means they are good conductors of electricity and are not insulators.

On the other hand, silicon is a metalloid, that is, it shows properties of both metals and non-metals. Hence, it will also show conductivity.

Phosphorus is a non-metal and therefore, it does not conduct electricity. As a result, out f the given options it will act as the best insulator.

aliina [53]3 years ago
6 0
The element most likely to be the best insulator is the worst conductor among the four when you test for their conductivity. The answer among the four options given is 'phosphorus'. I hope this helps you on your assignment. 
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Which biological fuel contains the most chemical energy per gram?
Irina18 [472]

Answer: Fats

Explanation:

The food energy can be defined as the chemical energy that animals or humans receive from the food they eat via cellular respiration. The food energy is in the form of biological fuel which are necessary for metabolic processes in the body like respiration, cell growth and repair, reproduction, digestion and other functions.

The food consists of biomolecules like proteins, carbohydrates, fats and others which act as biological fuels.

The fat is a biological fuel which contains the highest amount of food energy per gram. The fat contains 37kcal/g energy. Proteins and carbohydrates only provide 17kcal/g energy.

The fats are stored in the adipocytes of the humans and animals and are the energy reservoirs.

7 0
4 years ago
The feel, appearance, or consistency of a surface, substance, or fabric?
kozerog [31]

Answer:

texture

Actually, texture is defined as the physical composition of something, or the look and feel of fabric.

Explanation:

An example of texture is the smooth feeling of satin.

3 0
3 years ago
Cola contains phosphoric acid and carbonic acid. Which is the most likely reason that cola also contains a large amount of sugar
Bumek [7]

Answer:

B. to counteract the sourness of the acids

Explanation:

Edge:) Good luck!

8 0
2 years ago
Figure 2 represents part of the structure of graphite.
Paul [167]

The answers include the following:

  • Graphite conducts electricity because it has delocalised electrons which makes it possible for the electrons to move freely.
  • Graphite is slippery because it has layers which makes it possible for the atoms to slide over each other.

<h3>What is Graphite?</h3>

This is referred to as an allotrope of carbon and it is the most stable form. it is used in the production of substances such as pencil, electrode etc.

Graphite is able to conduct electricity because of the presence of delocalized electrons and is slippery due to its atoms being able to slide over one another.

Read more about Graphite here brainly.com/question/27860158

#SPJ4

6 0
1 year ago
Will give brainliest!!!!
butalik [34]
According to the law of conservation of mass, the mass of reactants will be equal to the mass of the products. The mass of products and reactants will only differ during a nuckear reaction
Changing of the physical state of water is not a nuclear reaction. So becoz of that the mass will remain constant without any change.
3 0
3 years ago
Read 2 more answers
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