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ELEN [110]
3 years ago
9

4. How Does Extreme conditions accelerate erosion ?

Chemistry
1 answer:
Marianna [84]3 years ago
6 0

Answer:

Explanation:

Geologic erosion influences soil formation and distribution. Accelerated erosion results from the removal of natural vegetation by human activities such as farming, ranching, forestry, and construction. The production of agricultural and forest products can be affected by excessive erosion

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Consider the following mechanism for the oxidation of bromide ions by hydrogen peroxide in aqueous acid solution.
Alenkinab [10]

Answer:

a. Rate = k [H2O+-OH][Br-]

Explanation:

For a reaction:

nA+xB→C+D

The rate of the reaction is:

Rate = [A]ⁿ[B]ˣ

Now, in a mechanism, the rate of the reaction depends of the slow step. In the problem:

H2O+-OH + Br-→ HOBr + H2O

And the rate is:

<h3>a. Rate = k [H2O+-OH][Br-] </h3>

5 0
2 years ago
A student took notes in class. - Uses high frequency sound waves - Creates images from echoes - Has many applications - Medical
zmey [24]
The best title for this note will be FEATURES AND APPLICATION OF ULTRASOUND.
All the points listed above are characteristics and uses of ultrasound. Ultrasound is defined as the sound wave which has frequency that is higher than the upper audible limit of human hearing. It is used in many fields including medical field. In the medical field, ultrasound is used as a diagnostics tool to treat many disease conditions.
7 0
3 years ago
Read 2 more answers
In which of the following physical states does a given substance have the highest entropy?
n200080 [17]
B) Gas
Reason: Because Gas has te hhighest entropy?
6 0
3 years ago
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For elements in groups 13-18, the number of valence electron is____.
Ostrovityanka [42]

Answer:

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6 0
2 years ago
g The most common position for an double bond in an unsaturated fatty acid is delta _________(fill in the number).
Stolb23 [73]

Answer:

The most common position for an double bond in an unsaturated fatty acid is delta 9 (Δ⁹)

Explanation:

Unsaturated fatty acids are carboxylic acids which contains one or more double bonds. The chain length as well as the number of double bonds is written separated by a colon. The positions of the double bonds are specified starting from the carboxyl carbon, numbered as 1, by superscript numbers following a delta (Δ). For example, an 18-carbon fatty acid containing a  single double bond between carbon number 9 and 10 is written as 18:1(Δ⁹).

In most monounsaturated fatty acids, the double bond is between C-9 and C-10 (Δ⁹), and the other double bonds of polyunsaturated fatty acids are generally Δ¹² and Δ¹⁵. This positioning is due to the nature of the biosynthesis of fatty acids. In the mammalian hepatocytes, double bonds are introduced easily into fatty acids at the Δ⁹ position, but cannot introduce additional double bonds between C-10 and the methyl-terminal end. However, plants are able to introduce these additional double bonds at the  Δ¹² and Δ¹⁵ positions.

5 0
3 years ago
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