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AleksandrR [38]
3 years ago
5

Which is the Lewis structure for H3PO4?

Chemistry
1 answer:
meriva3 years ago
4 0

Answer:

C. H:C:H:H

Explanation:

Follow these simple steps to correctly draw a Lewis dot structure: Add up the total number of valence electrons found in the entire compound. Draw the simple structure (skeleton structure) of the compound by connecting everything with single bonds only. Add electrons to all the noncentral atoms. Put any unused electrons on the central atom.

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The chemical formula for aluminum flouride is C). AlF3.

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Question 3 (1 point)<br> What is the relationship between a chromosome and DNA?
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Answer:chromosome is made of DNA. DNA is double helix structure made of sugar, phosphorus and nitrogen bases.

Explanation:

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3 years ago
"Construct a multistep synthetic route from ethylbenzene to (2-bromoethyl)benzene by dragging the appropriate items into the bin
umka2103 [35]

Answer:

The best reagents that are used for the conversion of ethylbenzene to (2-bromoethyl)benzene is shown in the first diagram attached.

Explanation:

Concepts and reason

The concept used to solve this problem is by using the given reagents, possible products will be formed in each step and then label it exactly in the given boxes in order to form the exact product.

Here, the starting reactant is ethyl benzene and the final product is (2-bromoethyl)benzene.

Fundamentals

Bromine molecule is used for bromination of alkene. Trans addition takes place.

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The reaction is as shown in the second attachment(pictures 2,3 and 4).

8 0
3 years ago
Planck's constant, h, is 6.626 x 10-34 Js. The speed of light in a vacuum, c, is 3.00 x 108 m/s. Calculate the energy of ultravi
igomit [66]

Given the Planck's constant and the speed of light, the energy of the ultraviolet light with a frequency of 9.58×10¹⁴ Hz is 6.35×10¯¹⁹ J (Option C)

<h3>Data obtained from the question </h3>
  • Planck's constant (h) = 6.626×10¯³⁴ Js
  • Speed of light (v) = 3×10⁸ m/s
  • Frequency (f) = 9.58×10¹⁴ Hz
  • Energy (E) =?

<h3>How to determine the energy </h3>

The energy of the ultraviolet light can be obtained as follow:

E = hf

E = 6.626×10¯³⁴ × 9.58×10¹⁴

E = 6.35×10¯¹⁹ J

Learn more about energy:

brainly.com/question/10703928

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2 years ago
When the molecules of a gas hit each other do they normally stick or bounce off
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Since the molecules of a gas are constantly in motion, moving and hitting other gas molecules in all directions of the enclosed container, the molecules transfer a portion of energy through the interaction of other gas particles as they hit, but then bounce off.
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