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omeli [17]
3 years ago
8

A student drew a diagram of the quantum model of an atom, as shown.

Chemistry
1 answer:
Licemer1 [7]3 years ago
6 0

Answer:

Explanation:

The diagram is correct because electrons are present in distinct energy levels around the nucleus.

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Which method preserves an image of a leaf?.
Sav [38]

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Tree sap flows over the leaf and preserves it.

Explanation:

Amber would preserve the image.

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2 years ago
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Increase the pressure on the system
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3 years ago
Which is an example of chemical weathering?
kobusy [5.1K]

Answer:

b. the layer of oxide formed on statues made of metal

Explanation:

Chemical weathering is a process whereby rocks are disintegrated or weathered causing a chemical reaction thereby leading to change in the parent rock constituents .

In chemical weathering a new substance is usually formed after the weathering takes place.

From the question the layer of statue made by metal will likely form oxides of those metals. Example Silver will react with oxygen to form an entirely new substance like silver(i)oxide.

7 0
2 years ago
How many molecules are in 100 g of C6H120,?*​
Grace [21]

Answer:

3.37 × 10²³ molecules

Explanation:

Given data:

Mass of C₆H₁₂O₆ = 100 g

Number of molecules = ?

Solution:

Number of moles of C₆H₁₂O₆:

Number of moles = mass/molar mass

Number of moles = 100 g/ 180.16 g/mol

Number of moles = 0.56 mol

Number of molecules:

1 mole contain 6.022 × 10²³ molecules

0.56 mol × 6.022 × 10²³ molecules /1 mol

3.37 × 10²³ molecules

6 0
3 years ago
Identify and explain the functions of each numbered plant organ in the diagram
Vaselesa [24]

Answer:

1. Flower

- contain the sexual organs of the plant

- attract insect for pollination

- produce fruit carries the seed during fertilization.

2. Leaf

- capture sunlight for photosynthesis

- responsible to make food

- evaporate water molecules

- movement of oxygen and carbon dioxide in and out to plant

3. Stem

- transport water and nutrients from root to leaves.

- support leaves and branches

- in some plants are photosynthetic

4. Root

-provide support by anchoring the plant

- absorb water and nutrients for growth

- store sugars and carbohydrates to perform other functions

8 0
3 years ago
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