What are the 6 branches of chemistry and what do they study?

Answers

Answer 1

Answer: Hi there!

The 6 branches of chemistry are Organic Chemistry, Inorganic Chemistry, Analytical Chemistry, Physical Chemistry, Biochemistry, and Nuclear Chemistry.

Organic Chemistry: The branch of chemistry dedicated to carbon compounds and substances.

Inorganic Chemistry:  The branch of chemistry dedicated to non-carbon compounds and substances.

Analytical Chemistry: The branch of chemistry dedicated to identifying and quantifying matter through a variety of different instruments, tools, and practices.

Physical Chemistry: The branch of chemistry dedicated to analysis of chemical phenomena as well as their different behavior and phenomena.

Biochemistry:  The branch of chemistry dedicated to the chemical processes such as cellular respiration that occur within living organisms.

Nuclear chemistry:  The branch of chemistry dedicated to nuclear processes and properties as well radioactivity.

Answer 2

Answer: Organic Chemistry- The study of most carbon containing compounds.
Inorganic Chemistry- The study of non-organic substances, many of which have organic fragments bonded with metals.
Physical Chemistry- The study of the properties and changes of matter and their relation to energy.
Analytical Chemistry- The intensification of the components and composition of materials.
Biochemistry- The study of substances and processes occurring in living things.
Theoretical Chemistry- The use of math and computers to understand the principles being observed and chemical behavior.

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The weight of oxegon

Which of the following is a synthesis reaction?C2H4 + 3O2 yields 2CO2 + 2 H2O

2HCl yields H2 + Cl2

2K + 2HCl yields 2KCl + H2

SO3 + H2O yields H2SO4

Answers

SO3+H2O yields H2SO4 is the correct answer for your question, WELCOME:)

the last one is the answer to your question. D is the answer

How many aluminium atoms are there in the formula for aluminium nitrate ?

Answers

The formula for Aluminium Nitrate is $Al(NO _(3) )_(3)$ .

This is because aluminium has a 3+ charge and nitrate has a 1- charge, so you need 3 of them to balance out aluminium.

Therefore, you have one ion of aluminium.

Why does it make sense that if an atom loses electrons, it is left with a pisitive charage?

Answers

Because atoms are neutral. By neutral, I mean that; there are three main particles that make up an atom. Protons, Electrons and Neutrons. Protons have (electrically) positive charge, electrons have negative and neutrons are electrically neutral. One proton's charge is +1 and one electron's charge is -1. An atom (normally) has the same amount of protons and electrons. Let's say if an atom has two protons and two electrons, the sum of electrical charges of the protons is (two times +1) +2 and sum of electrical charge of electrons is (two times -1) -2 . The total charge of the atom is the sum these. So, (-2)+(2)= 0. That makes the charge of the atom 0, thus makes it neutral. But let's say this atom loses one of its electrons, and now has only one. So one electron (-1) and two protons (+2) in total will be : (-1)+(2) = +1 . +1 is positive, so this makes the charge of the atom positive.

Electrons have a net negative charge, therefore by losing them the atom will become slightly more positive.

Predict which of the following compounds will be insoluble in water.A. NaCl
B. HCl
C. CF4
D. CuSO4

Answers

$\boxed{{\text{C}}{\text{. C}}{{\text{F}}_4}}$ will be insoluble in water.

Further Explanation:

The bond formed due to electrostatic forces is an ionic bond. The compounds formed by the ions of the respective species are called ionic compounds. One of the species loses electrons and gets converted into cation while the other one accepts electrons and forms anion.

Covalent compound:

The bond that is formed by the mutual sharing of electrons between the bonded atoms is called a covalent bond. It is also known as a molecular bond. Covalent compounds or molecular compounds are those compounds which are formed by the electron sharing between two or more non-metals.

Solubility is the property of any substance that makes it soluble in other substances. It is governed by the principle “like dissolves like”.

A. NaCl is an ionic compound so it dissociates into its constituent ions on dissolving in water. Water is a polar molecule and therefore NaCl is soluble in water.

B. HCl is a polar covalent compound and water is also a polar compound so HCl is soluble in water in accordance with the principle “like dissolves like”.

C. ${\text{C}}{{\text{F}}_{\text{4}}}$ is a non-polar compound while water is a polar compound. So ${\text{C}}{{\text{F}}_{\text{4}}}$ is insoluble in water because of different nature of both substances.

D. ${\text{CuS}}{{\text{O}}_{\text{4}}}$ is an ionic compound so it dissociates into ${\text{C}}{{\text{u}}^(2 + )}$ and ${\text{SO}}_4^(2 - )$ ions on dissolving in water. Water is a polar molecule and therefore ${\text{CuS}}{{\text{O}}_{\text{4}}}$ is soluble in water.

Learn more:

1. Identification of ionic bonding: brainly.com/question/1603987

2. What type of bond exists between phosphorus and chlorine? brainly.com/question/81715

Answer details:

Grade: High School

Subject: Chemistry

Chapter: Ionic and covalent compounds

Keywords: ionic compound, covalent compound, solubility, NaCl, HCl, CuSO4, CF4, soluble, insoluble, water, like dissolves like.

Final answer:

Among the compounds NaCl, HCl, CuSO4, and CF4, the latter, CF4, is predicted to be insoluble in water due to its nonpolar nature.

Explanation:

The insolubility of a compound in water depends on its polarity. Nonpolar compounds do not dissolve in water, a polar solvent. The compounds NaCl, HCl, and CuSO4 are all polar ionic compounds and, therefore, soluble in water, since 'like dissolves like'. However, the compound CF4 is a nonpolar molecule and hence predicted to be insoluble in water.

Learn more about Solubility here:

brainly.com/question/31493083

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Which statement correctly compares an atom of an alkali metal with an atom of the alkaline earth metal next to it on the periodic table?

Answers

The atom of alkaline earth metal has one more proton and one more electron than the alkali metal that is next to it to the left on the periodic table. Then the atomic number of the alkali metal is one unit less than the atomic number of the alkaline earth metal next to it.

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