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Alenkasestr [34]
2 years ago
15

Due Tuesday 09-07-2021 Please help immediately!! I have 10 missing assignments from being absent

Chemistry
2 answers:
Leni [432]2 years ago
8 0

Answer:

1. Chemistry affects all the life because all the biological process are related with chemical reactions. It also affect natural events cause they're related with properties like pressure, states of matter, etc, and all these characteristics and properties are described and explained by chemistry.

2. 1- Organic chemistry

2- Biochemistry

3- Physicochemical

4- Inorganic chemistry

5- Analytical chemistry

3. The pure chemistry is the study of theoretical chemistry, making researches in universities, with the objective of expand the knowledge, while the applied chemistry is the study directed to the applications of physics for industries and uses in day life. They're related because the applied chemistry can use the discovers of pure chemistry to create useful things.

4. 1- To understand better the universe and the natural phenomenons

2- To improve process that are described by chemistry

3- To help in the evolution of technology and life quality

5- a and c. Because the chemist have knowledge and ways to determine which materials where used to do the pots. The chemist also can recommend how to store it because he/she knows how the materials are damaged by the time and contact with air, so he/she can tell how the pots should be stored.

6. No. Because a biochemist is specialized in the chemistry related with biological process, androcks and minerals are related with physicochemistry processes.

jeka57 [31]2 years ago
7 0

Answer:

Go to

On the left, click Missing.

(Optional) To review more details, click an item. View details.

Explanation:

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Describe how changing the particles changed the atom
Zanzabum
Bonds between atoms break and new ones form and energy is either given out or taken in
5 0
3 years ago
Two molecules of one reactant combine with 3 molecules of another to produce 5 molecules of a product.
maksim [4K]

Answer:

A = 2A + 3B → 5C

Explanation:

The two molecule of A and three molecules of B will react to form the five molecules of C.

2A + 3B   →   5C

Other options are incorrect because,

B = A₂ + B₃  →   C₅

in this reaction one molecule of A₂ and one molecule of B₃ combine to form one molecule of C₅.

C = 2A + 5B   →  3C

in this reaction two molecules of A and five molecules of B combine to form three molecule of C.

D = A₂ + B₃  →  C₃

in this reaction one molecule of  A₂ and one molecule of B₃ combine to from one molecule of C₃.

3 0
3 years ago
The Great Pacific Garbage Patch is created by _____ currents. A. local B. surface C. deep ocean
Kamila [148]
The Great Pacific Garbage Patch is created by deep oceans. The Marine Debris is litter that ends up in oceans or other large bodies of water.

3 0
3 years ago
What is the molarity of a 5.0 L solution that contains 0.5 moles of KNO3
pashok25 [27]

Answer:

Molarity of a 5.0 L solution that contains 0.5 moles of KNO3 is 0.1 M

Explanation:

Molarity : It is used to express the concentration of the solution and defined as total moles of solute present in one liter of solution .

Molarity =\frac{moles\ of\ solute}{volume\ of\ solution(L)}

Moles of KNO3 = 0.5 (given)

Volume of solution = 5.0 L

Substitute the value in given formula ,

Molarity =\frac{0.5\ moles }{5.0\ L}

on calculation,

Molarity = 0.1 mol/L

Molarity = 0.1 M

(M = mol/L)

8 0
3 years ago
The formula K₂S indicates that _______.
Pachacha [2.7K]
The subscriot 2 means that in the formula there are two parts of K, and the subscript 1 (implicit) for S, indicates that there is one part of S.

This is, the formula gives the ratio of the elements K and S in the compound, which is:

2 atoms of K : 1 atom of S.

Answer: there are 2 atoms of K and 1 atom of S in a molecule of K2S.
5 0
3 years ago
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