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butalik [34]
3 years ago
14

Please answer this please don't answer if you don't know it thank you D.look at the picture​

Chemistry
1 answer:
Lina20 [59]3 years ago
3 0

Answer:

B.

Explanation:

The complementary strand always has the opposite base that connects for example; the opposite of A is T.

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Jeffry was wondering why when he made breakfast, that after he was done cooking, the mass of everything he used was not the same
12345 [234]

Answer:

equivalent exchange forces cancel out but the  substances are affected around the area

Explanation:

4 0
3 years ago
Why is a ylid a stable nucleophile? Select all that apply. Group of answer choices The proximity of the positively charged phosp
pogonyaev

Answer:

1)The proximity of the positively charged phosphorous and negatively charged carbon stabilizes the charges.

2) Inductive effects and resonance stabilize the negative charge

Explanation:

both atoms have full octets of electrons( I.e Carbon and say phosphorus). The result can be viewed as a structure in which two adjacent atoms are connected by both a covalent and an ionic bond; normally written X+–Y−. Ylides are thus 1,2-dipolar compounds, and a subclass of zwitterions

6 0
3 years ago
How many liters of hydrogen gas are required to react with 3.5" liters of oxygen gas in the following reaction? 2H2(g)+O2(g) --&
Hatshy [7]

Answer:

7 L of H₂.

Explanation:

The balanced equation for the reaction is given below:

2H₂ + O₂ —> 2H₂O

From the balanced equation above,

1 L of O₂ required 2 L of H₂.

Finally, we shall determine the volume of H₂ required to react with 3.5 L of O₂. This can be obtained as follow:

From the balanced equation above,

1 L of O₂ required 2 L of H₂.

Therefore, 3.5 L of O₂ will require

= 3.5 × 2 = 7 L of H₂.

Thus, 7 L of H₂ is required to for the reaction.

5 0
3 years ago
Which of the following could result from a substance that
sukhopar [10]

The features that can be observed from a substance that undergoes a chemical change is that the shape is altered. That is option D.

<h3>What is a chemical change?</h3>

A chemical change is the change in which two or more chemical substances involved in a chemical reaction rearranges their chemical bonds to form a new product.

In the chemical change, the shape of an object can be changed and the object will still remain true to its chemical composition.

Therefore, the features that can be observed from a substance that undergoes a chemical change is that the shape is altered.

Learn more about chemical reaction here:

brainly.com/question/11231920

#SPJ1

6 0
2 years ago
Could the mechanism for the reaction of crystal violet with sodium hydroxide consist of one elementary step? Explain.
kondaur [170]

Answer:

Yes

Explanation:

Let's write the reaction as

CV⁺+ OH⁻ ⟶ CVOH

The reaction is first order in [CV⁺] and in [OH⁻], so the rate law is

rate = k[CV⁺][OH⁻]

A bimolecular collision between a crystal violet ion and a hydroxide ion as an elementary step would predict the observed rate law.

However, other plausible mechanisms may predict the same rate law.

7 0
3 years ago
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