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3 years ago

What elements are being reduced and oxidized in this chemical formula?

Chemistry

1 answer:

dangina [55]3 years ago

3 0

Answer: The element Na (Sodium) is getting oxidized and Hydrogen is getting reduced.

Explanation:

Oxidation reactions are the reactions in which addition of oxygen takes place.

Reduction reactions are the reactions in which loss of oxygen takes place.

For a given reaction:

$2Na(s)+2H_2O(l)\rightarrow H_2(g)+2NaOH(aq.)$

Sodium is getting oxidized because there is an addition of reaction with that element.

Hydrogen is getting reduced because there is a removal of oxygen with that element.

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Which arrow represents the change of state described

Mama L [17]

Answer:N

Explanation:

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3 years ago

Except for speed, your nervous system is most similar to

dlinn [17]

Your nervous system is most similar to a cruise ship (option C).

The nervous system is a complex network in the body in charge of:

Automatic responses and movements.
Voluntary movements.
Responses to the world.

This system works due to the action of structures such as:

The brain.
The spinal cord.
The nerves.

Moreover, the nervous system works through the following steps:

A stimulus is received, for example, you accidentally touch a hot surface.
This is taken by the nerves to the brain.
The brain processes the information and sends a response, for example, to move the hand away from the hot surface.

Based on this, the system resembles a cruise ship because signals go from the senses to the brain and then back again similar to a cruise going away and then back to the port.

Learn more about brain in: brainly.com/question/5361122

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2 years ago

Consider the substances below and predict in which of these substances is hydrogen bonding likely to play an important role in d

kolezko [41]

Explanation:

the otion correct is H2S

6 0

3 years ago

calculate the molarity of 0.57 moles NaHCO3 in 61.2 mL of solution. Report your answer 4 places after the decimal don’t forget t

VARVARA [1.3K]

Answer:

The correct response is "9.313 M".

Explanation:

According to the question, the values are:

Moles of solute,

= 0.57 moles

Liters of solution,

= 61.2 mL

or,

= 0.0612 L

Now,

The molarity will be:

= $\frac{Moles \ of \ solute}{Liters \ of \ solution}$

On putting the given the values in the above formula, we get

= $\frac{0.57}{0.0612}$

= $9.313 \ M$

3 0

3 years ago

The two products that are formed when a solution of HNO3 and a solution of NaOH react are water and

leva [86]

Answer is: 2.NaNO₃.

Balanced chemical reaction of neutralization:

HNO₃(aq) + NaOH(aq) → NaNO₃(aq) + H₂O(l).

Ionic reaction:

H⁺(aq) + NO₃⁻(aq) + Na⁺(aq) + OH⁻(aq) → Na⁺(aq) + NO₃⁻(aq) + H₂O(l).

Net ionic reaction: H⁺(aq) + OH⁻(aq) → H₂O(l).

Neutralization is reaction in which an acid and a base react quantitatively with each other. In this reaction, there are no acids and bases, only salts.

4 0

3 years ago

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