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Alenkasestr [34]
3 years ago
15

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

Chemistry
2 answers:
Leni [432]3 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]3 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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The higher the greenhouse gases, the higher the ocean temperature

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6 0
3 years ago
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Murljashka [212]

Answer:

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Explanation:

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4 0
3 years ago
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How many grams of H, are needed to react with 2.75 g of N,?
Elena-2011 [213]

Answer:

0.6 grams of hydrogen are needed to react with 2.75 g of nitrogen.

Explanation:

When hydrogen and nitrogen react they form ammonia.

Chemical equation:

N₂ + 3H₂ → 2NH₃

Given mass of nitrogen = 2.75 g

Number of moles of nitrogen:

Number of moles = mass/ molar mass

Number of moles = 2.75 g / 28 g/mol

Number of moles = 0.098 mol

Now we will compare the moles of nitrogen with hydrogen from balance chemical equation:

                   N₂             :          H₂

                    1               :           3

                   0.098       :        3×0.098 = 0.3 mol

Mass of hydrogen:

Mass = number of moles × molar mass

Mass = 0.3 mol × 2 g/mol

Mass = 0.6 g

6 0
4 years ago
Convert 78.9 kJ into calories Can you also explain how pls? ty
weqwewe [10]

Answer:

18857.553

Explanation:

for an approximate result, multiply the value by 239

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3 years ago
Where do the OH- ions go as additional acid is added?
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3 years ago
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