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3 years ago

Sodium chloride is an example of a

Chemistry

2 answers:

Andrei [34K]3 years ago

6 0

C. Weak acid is the correct answer

elena-14-01-66 [18.8K]3 years ago

5 0

It’s a strong electrolyte. Electrolytes are ions in aqueous solution, and sodium and chlorine are both ions in NaCl.

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2. Which energy source is considered a non-renewable resource?

Keith_Richards [23]

Answer:

The answer is D

Explanation:

Although natural processes continually form fossil fuels, such fuels are generally classified as non-renewable resources because they take millions of years to form and the known viable reserves are being depleted much faster than new ones are being made. ... The use of fossil fuels raises serious environmental concerns.

BRAINLIEST PLZ

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3 years ago

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You are a marine biologist who wants to study what type of zooplankton (microscopic animals that live in the ocean and feed larg

timama [110]

Answer:

The advantage of the compound light microscope over the dissecting microscope is the magnification power of the telescope. Compound light microscope magnifies from 40x up to 1,000x while dissecting microscope magnifies up to 40 x only. In this regard, more magnification power is advantageous to view smaller objects.

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2 years ago

The lac repressor protein binds to the operator when it is _____.

Thepotemich [5.8K]

The lac repressor protein binds to the operator when it is active. The lac repressor is a protein or a DNA-bounding protein as it is called. The lac repressor also involves the lactose metabolism and it is also responsible for the transcription of three lac genes.

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2 years ago

If an object that enters the Earth’s atmosphere does not completely disintegrate, its remains can impact the Earth. True or Fals

Alexxandr [17]

The answer is true hope this helps :)

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2 years ago

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Propanoic acid has a boiling point of 141 °C, propanamide has a boiling point of 213 °C, and propanal has a boiling point of 48

deff fn [24]

Explanation:

As it is given that boiling point of propanamide is very high. So, reason for this is that easy formation of hydrogen bonds which are strong enough that we have to provide large amount of heat to break it.

As in $-NH_{2}$ , the hydrogen atoms which are present are positive in nature. Due to this they are able to form hydrogen bonds with the neighboring oxygen atom.

Hence, these bonds are so strong that high heat needs to given to break them.

A propanoic acid contain carboxylic group as the functional group. So, this group is also able to form hydrogen bonding as it forms a hydrogen bond between an acid group and hydroxyl group of neighboring molecule.

Hence, it will also require high heat to break the bond due to which there will be increase in boiling point.

In propanal, there is presence of aldehyde functional group and three carbon atoms chain which will not form strong bonding with the hydrogen atom of CHO. Due to this there will exist weak Vander waal's force that is not at all strong enough.

As a result, less energy will be needed to break the bonds in propanal. Hence, it has very low boiling point.

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2 years ago