All categories

3 years ago

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:

You might be interested in

How are elements labeled on the periodic table that have the same number of valence electrons?

aksik [14]

Answer:

Explanation:

Elements that have most similar properties were placed in the same group on the periodic table and this is done based on the number of valence electron each of the element posses which allow them reach in a similar manner as a member of the same family. A group of element is placed on a a vertical column of the periodic table.

For all element with one valence electron they are labelled with 1A on the group, and are usually the first column followed by 2A until group 8.

1A element are known to be very reactive and form compounds with similar properties with other elements.

8 0

3 years ago

What is the best description of how heat is transferred from deep in the earth to the surface?

Lana71 [14]

Answer:

pretty sure it's C,

Explanation:

Mantle convection is the very slow creeping motion of Earth's solid silicate mantle caused by convection currents carrying heat from the interior to the planet's surface. ... This hot added material cools down by conduction and convection of heat.

3 0

3 years ago

Read 2 more answers

Nitrogen in plants and soil is changed into nitrogen compounds by _____.

grandymaker [24]

Answer:

Explanation:

because It's the process by which atmospheric nitrogen is converted either by a natural or an industrial means to form of nitrogen such as ammonia.

5 0

3 years ago

Milk of magnesia is often taken to reduce the discomfort associated with acid stomach or heartburn. The recommended dose is 1 te

Igoryamba

Answer:

8.61 mL of the HCl solution

Explanation:

The reaction that takes place is:

2HCl + Mg(OH)₂ → MgCl₂ + 2H₂O

From the given mass of Mg(OH)₂, we can calculate the moles of HCl that are neutralized:

4x10² mg = 400 mg = 0.400g

0.400g Mg(OH)₂ ÷ 58.32g/1mol = 6.859*10⁻³ mol Mg(OH)₂

6.859*10⁻³ mol Mg(OH)₂ * $\frac{1molHCl}{1molMg(OH)_{2}} =$ 3.429x10⁻³ mol HCl

Finally, to calculate the volume of an HCl solution, we need both the moles and the concentration. We can calculate the concentration using the pH value:

pH = -log[H⁺]

1.4 = -log[H⁺]

$10^{-1.4}$ = [H⁺]

0.0398 M = [H⁺] = [HCl] *Because HCl is a strong acid*

Thus, the volume is:

0.0398 M = 3.429x10⁻³mol HCl / Volume

Volume = 8.616x10⁻³ L = 8.62 mL

6 0

4 years ago

Read 2 more answers

When compounds form, which of the following statements is true about the elements that form them?

Greeley [361]

Answer:

C. Their properties change completely.

Explanation:

The electron configurations of the elements show a periodic variation with increasing atomic number. Consequently, there are also periodic variations in physical and chemical behavior.

When atoms interact to form a chemical bond, they combine in order to achieve a more stable electron configuration. As a consequence, the compounds formed exhibit completely different properties.

For example, when solid magnesium burns in air, it forms both magnesium oxide and magnesium nitride, which are gases.

8 0

4 years ago