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scZoUnD [109]
3 years ago
8

The following characteristics describe which of these terms? The substance is mixed uniformly throughout and each part of the su

bstance contains the same ratio of materials with the same properties.
A.homogeneous mixture
B. compound
C. heterogeneous mixture
D. pure substance
Chemistry
2 answers:
pickupchik [31]3 years ago
5 0

Answer:

The answer is C, homogeneous mixture.

hope this helped

julsineya [31]3 years ago
3 0
The answer is homogeneous mixture
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Answer: hehe its kirishima here and the various types of fossil fuels are energy provision coal, oil and natural gas. Coal is a solid fossil fuel formed over millions of years by decay of land vegetation.

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Sand is more likely than shale to preserve fossils. True False
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False I hope this is right

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Read 2 more answers
An allylic carbocation is an example of a(n) _____ system. (select all that apply.)
DerKrebs [107]

An allylic carbocation is an example of a system that is:

  • delocalized
  • conjugated.

<h3>What is allylic carbocation?</h3>

An allylic carbocation is a resonance-stabilized carbocation with a formal charge of +1 on an allylic carbon in each of the two resonance forms.

Thus, it is correct to state that:

An allylic carbocation is an example of a system that is:

  • delocalized
  • conjugated.

Learn more about allylic carbocation:
brainly.com/question/16258022
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Full Question:

An allylic carbocation is an example of a(n) _______ system. (Select all that apply.)

- localized

- isolated

- delocalized

- conjugated

6 0
1 year ago
If you are involved in a vehicle accident, you should not drink any alcohol up to ___ hours after the accident or you could be l
Luda [366]

Answer: 6

Explanation:

Alcohol is a psychoactive drug with a high number of side effects that can seriously affect our body. <u>The amount and circumstances of consumption play an important role in determining the duration of intoxication.</u> For example, consuming alcohol after a large meal is less likely to produce visible signs of intoxication than on an empty stomach.

Alcohol has a two-phase effect on the body, meaning that its effects change over time.  Initially, it produces feelings of relaxation and joy, but later consumption can lead to blurred vision and coordination problems.  Cell membranes are highly permeable to alcohol, so once alcohol is in the bloodstream, it can spread to almost all body tissues.  

Unconsciousness can follow excessive consumption, and extreme levels of consumption can lead to alcohol poisoning and death. Death can also be caused by asphyxiation, if vomit - a frequent result of excessive drinking - blocks the windpipe and the individual is too drunk to respond.  An appropriate first-aid response to an unconscious, drunk person is to place him or her in the recovery position.  

<u>When alcohol enters the bloodstream (30-90 minutes after ingestion), there is a decrease in the sugars present in the bloodstream, causing a feeling of weakness and physical exhaustion. </u> This is because alcohol accelerates the transformation of glycogen (a substance that stores sugar in the liver) into glucose, which is then eliminated more quickly.  

After the ingestion of alcohol, a series of effects or symptoms occur in the short term, depending on the dose ingested (although other individual factors are affected).

  • Euphoria and excitement phase
  • Intoxication: The nervous system is affected as the loss of the capacity to coordinate movements is caused, producing imbalance and sometimes falls. If abused, locomotor ataxia can occur, which is a paralysis characteristic of alcoholics.
  • Hypnotic or confused phase: Irritability, agitation, drowsiness, headache, ysarthria, ataxia, dysmetry, nausea and vomiting.
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Alcohol is broken down mainly in the liver, which can metabolize about 1 drink per hour for men. Factors such as age, weight, gender, and the amount of food eaten can affect how quickly the body can process alcohol. The amount of time alcohol can be detected in blood is up to 6 hours. Then it is not recommended to drink alcohol until after 6 hours if you have been involved in an accident, since alcohol can be detected in the blood in that time range. <u>Because of the effects alcohol has on the body and how it can affect driving, if alcohol is detected you can be legally charged with driving under its influence.</u>

6 0
3 years ago
Compound A and compound B are constitutional isomers with molecular formula C3H7Cl. When compound A is treated with sodium metho
mars1129 [50]

Answer:

Compound A and compound B are constitutional isomers with molecular formula C3H7Cl.

When compound A is treated with sodium methoxide, a substitution reaction predominates. When compound B is treated with sodium methoxide, an elimination reaction predominates.

Explanation:

Constitutional isomers are the one which differs in the structural formula.

When compound A is treated with sodium methoxide, a substitution reaction predominates.

That means sodium methoxide is a strong base and a strong nucleophile.

But when it reacts with primary alkyl halides it forms a substitution product and when it reacts with secondary alkyl halide it forms mostly elimination product.

The reaction and the structures of A and B are shown below:

3 0
3 years ago
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