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3 years ago

1. What is erosion? Provide at least one example of a landform made by erosion.

Chemistry

2 answers:

zepelin [54]3 years ago

5 0

I believe that the subject is supposed to be science

Ahat [919]3 years ago

3 0

1 - Erosion is the movement of land caused by wind.
2 - Deposition is when a piece of sediment,land,or ice is carried and dropped off by the wind
3 - The piece of land was weathered down and pieces broke off because of that. That piece was probably deposited by the wind.
4 -constructive processes are more like reconstructing something what was weathered down or broke down. Deconstructive processes are taking down and breaking buildings or rocks. This is the opposite of this, Deconstruction also sometimes causes erosion.
5 - wind,soil,precipitation,surface texture
I hope this helps :)

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Select all that apply.

iogann1982 [59]

Water and oxygen

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3 years ago

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T or F: Lone pairs around the oxygen atom of a water molecule play no role in determining its molecular geometry?

Mama L [17]

Answer:

Explanation:

They play a very important part. The geometry is not a straight line. It is an angle over 90 which means that the molecule has the same general shape as a boomerang. The two hydrogens and the 2 lone electron pairs try to get away as far as possible from each other. The actual shape results in a tetrahedron shape. But the two hydrogens and 1 oxygen actually look like the aforementioned boomerang.

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3 years ago

You slide the copper bar to the right and at time t = 0 you release the bar when it is a distance x from the right end of the ap

Misha Larkins [42]

I dont thimk their is a question. Could you be more specific

7 0

4 years ago

Which color in the rainbow has the longest wavelength? 1. orange 2. blue3. yellow4.green 5. red

rodikova [14]

In rainbow, the color that has the longest wavelength is red which means option 5 is the correct choice.

Dispersion is described to be the spreading of white mild into its complete spectrum of colors, in truth we also can say a complete spectrum of wavelengths. The white mild turns into from solar and includes seven colors. On one end of the spectrum is red with the longest wavelength. Blue or violet mild has the shortest wavelength. White mild is a aggregate of all hues withinside the color spectrum. The colors of the rainbow are: Red, orange, yellow, green, blue, indigo, violet.

Therefore, option 5 is the correct choice.

To learn more about rainbow check the link below:

brainly.com/question/12008276

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6 0

1 year ago

Calculate the number of moles of nitrogen dioxide, that contain 4.0*1023 nitrogen dioxide molecule.

Zigmanuir [339]

<h3>Answer:</h3>

0.66 mol NO₂

<h3>General Formulas and Concepts:</h3>

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right<u> </u>

<u>Chemistry</u>

<u>Atomic Structure</u>

Avogadro's Number - 6.022 × 10²³ atoms, molecules, formula units, etc.

<u>Stoichiometry</u>

Using Dimensional Analysis

<h3>Explanation:</h3>

<u>Step 1: Define</u>

4.0 × 10²³ molecules NO₂ (Nitrogen dioxide)

<u>Step 2: Identify Conversions</u>

Avogadro's Number

<u>Step 3: Convert</u>

Set up: $\displaystyle 4.0 \cdot 10^{23} \ molecules \ NO_2(\frac{1 \ mol \ NO_2}{6.022 \cdot 10^{23} \ molecules \ NO_2})$
Multiply/Divide: $\displaystyle 0.664321 \ mol \ NO_2$

<u>Step 4: Check</u>

<em>Follow sig fig rules and round. We are given 2 sig figs.</em>

0.664321 mol NO₂ ≈ 0.66 mol NO₂

8 0

3 years ago