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Chemistry Homework Help

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What is chemistry?

Science is concerned with the study of the structure and behavior of the physical and natural world. Science is broken down into three different parts: Biology, Physics, and Chemistry.

Chemistry covers a vast area of science. Chemistry deals with the matter, all the elements of the periodic table, chemical reactions, structure, and properties of all chemical substances.

Chemistry is extremely significant because everything we do and everywhere we go chemistry is there to play its vital role. Chemistry is inside our body and also present in the outside environment. All the matter is made of chemistry and its chemical reactions.

Fields of chemistry

Chemistry is a challenging subject. It covers a vast area of educational knowledge. Each of its branches is involved with a distinguished concept. Hence Chemistry is subdivided into five major fields:

· Organic chemistry

· Inorganic chemistry

· Physical chemistry

· Biochemistry

· Analytical chemistry

Organic Chemistry: It is the branch of chemistry in which we study about carbon and its compounds. It is concerned with the study of structure, properties, composition, reactions and synthesis of organic compounds. These compounds are mainly composed of molecules of carbon and hydrogen.

Inorganic Chemistry: It is the branch of chemistry that is concerned with the study of inorganic compounds. The inorganic compound includes all the elements of the periodic table and the entire compound except for the organic compounds (carbon-hydrogen compounds).

Physical Chemistry: physical chemistry is the subject that deals with the theories and techniques used to examine the behavior of matter at different levels (atomic and molecular levels), it explains how chemical reactions take place, the formation of complex structure and their properties, etc.

Biochemistry: It is the study of the chemical reactions that occur inside living organisms. Biochemistry or biological chemistry explains the complexity of life. Biochemistry is related to chemical and physio-chemical processes that take place in living organisms. It includes structures, properties, reactions, and mechanisms of biomacromolecules including amino acids, peptides, proteins, carbohydrates, and nucleic acids, enzymatic metabolic pathways, and biochemical genetics.

Analytical Chemistry: Analytical chemistry is the branch of chemistry in which we study how to examine, identify, and separate the matter. Analytical chemistry is used in many different areas of science.

Modern Principles Of Chemistry

Matter: matter can be defined as anything that has mass and volume. Matter can be formed of pure substance or a mixture of substances.

Atom: atom is the smallest unit of an element. It is the basic unit of chemistry.

Element: The chemical element is a pure substance that is composed of a single type of atom.

Compound: a compound is a pure chemical substance composed of more than one element.

Molecule: a group of atoms bound together representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.

Substance and Mixture: A chemical substance is a kind of matter with a definite composition and set of properties A collection of substances is called a mixture.

Bonding: Atoms sticking together in molecules or crystals are said to be bonded with one another.

Energy: in the context of chemistry, energy is a property of a substance as a result of atomic, molecular or aggregate structure.

Chemical reaction: Chemical reaction is a process in which one or more substances, the reactants, are converted to one or more different substances, the products. Substances are either chemical elements or compounds.

Ion and Salt: An ion is a charged species, an atom or a molecule, that has lost or gained one or more electrons. A salt consists of the positive ion (cation) of an acid and the negative ion (anion) of a base.

Why should you choose chemistry as your career option?

One should choose chemistry because it touches almost every aspect of our existence in some way. Everything we are surrounded by… that involves chemistry, even our body is formed of chemicals. Chemical reactions occur when we breathe, eat, sleep or just sit there reading. Chemistry is a part of science it introduces us with many concepts related to scientific knowledge. Hence you won’t regret choosing chemistry as your career option.

Why do you need chemistry homework help?

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