Chemistry Assignment Help
Today's world is the world of science and technology. Science is difficult to understand if you don't try to understand. Science has various fields such as physics, chemistry, biology, zoology, and so on. Today we are going to talk about chemistry, and what help is provided for a better result for your assignment. The expert will help you in providing online help, and online tutoring related to the field of chemistry.
What is chemistry?
It is the branch of science that deals with molecules, particles, reactions, ions, and many other topics.
Why Chemistry Assignment Help Online?
- The expert helps you in providing various results related to the field of chemistry.
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- The assignment help provides you with the best result covering all the chapters of chemistry.
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Why is chemistry important?
The expert will help you know the importance of chemistry in our life, which is;
- Everything we breathe, eat or see has a chemical reaction that is related to chemistry.
- Chemistry is applied in different fields such as doctors, nurses, physics, geologists, pharmacists, and so on.
- We can earn a good income through different chemistry relayed jobs. As chemistry is needed in every field you will never end being jobless if you study chemistry.
- Chemistry is used in cooking, cleaning, medicine, environmental issues, and so on.
Chemistry helper online
The expert will help you cover all the areas of chemistry which are mentioned and explained below
- Organic chemistry
- Inorganic chemistry
- Oxidation and reduction
- Alkane
- Stereochemistry
- Stereoisomers
- Alkyl halides
- Hemolytic and heterolytic reaction
- Alcohols and ethers
- Acid and bases
- Alkenes
- Alkynes
- Gaseous state
- Ionic equilibrium
- Colloidal state
- Thermodynamics and thermochemistry
- Phenols
- Nuclear Chemistry
Organic chemistry
Those compounds having a large class of chemical compounds between one or more atoms of compounds are called organic chemistry. We can say they are carbon-based compounds which are carbides, carbonates, and cyanides.
Inorganic chemistry
Those compounds which have two or more chemical elements that are not organic are called inorganic chemistry. It lacks carbon-hydrogen bonds.
Oxidation and reduction
Loss oC- Risk-Free, Reliable Help by the Expert of URAssignment. Receive the best help from the native writers. electrons are called oxidation.
Na → Na+ + e-
The gain of electrons is called reduction.
Feˆ3+ + 3e → 3Fe
A substance that gains electrons are called an oxidizing agent (oxidant). A substance that loses electrons is called a reducing agent (reductant). 2Na (s) + Cl2 (g) 2NaCl (s). Here atoms lost electrons. Therefore, Na is a reducing agent. Here, Cl2 gains electrons. Therefore it's an oxidizing agent.
Alkane
Alkanes are the saturated hydrocarbons that are useful for fuels, illuminant, eclipsed, and skew.
Stereochemistry
The science dealing with structure in 3 dimensions is called stereochemistry.
Stereoisomers
The isomers that have the same structure but differ in their spatial arrangement are called stereoisomers.
Alcohols and ethers
Alcohols are compounds having hydroxyl (OH) groups as the functional group.
Ethers are compounds having an ether group i.e. an oxygen atom connected to two alkyl or aryl groups.
Alkyl halides
It is also known as haloalkanes. These are those compounds in which one or more hydrogen atoms in an alkane have been replaced by halogen atoms.
Hemolytic and heterolytic reaction
The reactions in which electrons of the bonding pair are taken away singly are called hemolytic reactions. These reactions give free radicals.
Cl + e → Cl
The reactions in which the bonding electrons are taken away in pairs are called heterolytic reactions. These reactions give anion and cation.
Cl + e− → Cl−
Acid and bases
Any species which accept electron pairs are called acids. Example:
- Hydroiodic Acid
- Hydro chloric acid
- Hydrobromic Acid (HBr)
- Sulphuric Acid (H2SO4)
- Nitric Acid (HNO3)
- Perchloric Acid (HClO4)
- Chloric Acid (HClO3)
Any species which donate electron pairs is called a base. Example: Sodium hydroxide, calcium carbonate, and potassium oxide.
Alkenes
Alkenes are unsaturated compounds that contain only carbon and hydrogen (CnH2n). Alkenes are more reactive than alkanes.
Alkynes
Alkynes are organic molecules that are made up of functional groups having triple bonds of carbon (CnH2n-2).
Gaseous state
Those states of matter that are distinguished in various forms such as solid, liquid, or gas form are called gaseous states. It has no fixed shape or volume. The particles move very fast and strike into one another.
Ionic equilibrium
Those states which maintain a balance between unionized molecules and the ions are called ionic equilibrium. Examples of ionic equilibrium are H2S, NH4OH, HCN, CH3COOH, etc.
Colloidal state
When the diameter of particles of a substance dispersed in a solvent lies between 10A degrees to 2000A degree the mixture is called colloid. A system of particles in a dispersion medium is called a colloidal state.
Thermodynamics and thermochemistry
Thermochemistry is the part of thermodynamics that studies the relationship between heat and chemical reactions. Thermochemistry helps in the study of absorbing and releasing energy in any particular reaction.
Phenols
It is used in chemical manufacture that is used for household products, industries, and intermediates.
Nuclear Chemistry
It is the branch of chemistry that deals with radioactivity, nuclear process, and transformation of atoms and nuclear. It is used in waters, satellites, and public properties.
Chemistry homework answer
The expert will help you with different answers to your assignment related to the field of chemistry. Some of the questions and answers are given below. These are the questions that are mostly asked the other questions related to the topic, you can discuss with the helper online through any medium.
1. What is a state function?
Pressure, temperature, volume, mass, and composition define the state of the system and a change in magnitude of these properties changes the state of the system. These properties are called state functions.
2. Define intensive and extensive properties.
Properties like pressure, temperature, density, etc. don’t depend on the quantity of matter present in the system are known as intensive properties.
Properties like volume, enthalpy, entropy, Gibb's free energy, etc. that depend on the quantity of matter present in the system are called extensive properties.
3. Define isothermal and adiabatic processes?
Isothermal process: Isothermal process is any process conducted in a manner such that the temperature of the system remains constant during the entire operation.
For an isothermal process, change in temperature d T=0
Adiabatic process: Adiabatic process is the process in which no heat can flow into or out of the system.
For an adiabatic process, change in heat, dq=0
4. What is bond energy?
It is defined as the average amount of energy required to break all bonds of a particular type in one mole of the substance. The bond energy depends on the size of the atom, electronegativity, bond length, and hybridization.
5. What is electrodialysis?
When dialysis is carried out under influence of an electric field, it is called electrodialysis.
6. Define sol, emulsion, and gel.
Sol: It is a colloidal system in which a solid substance is dispersed into a liquid medium.
Dispersed phase+ Dispersed medium →salts
Emulsion: It is defined as the dispersion of finely divided liquid drops into another liquid.
Gel: It is a colloidal system in which liquid is dispersed in a solid medium.
7. Define lyophilic acid and lyophobic sol.
Lyophilic sols are solvents loving sols. In these sols, the dispersed phase exhibits a definite affinity for the dispersed medium example protein in water.
Lyophobic sols are solvent-hating sols. In these sols, there is very little attraction between the dispersed phase and medium. Example: dispersion of metals in water.
8. Define colligative property.
A colligative property is a property that depends only on the number of particles in solution and not on the nature of particles.
9. State Rault's law.
The partial vapor pressure of any volatile constituent of a solution is equal to the vapor pressure of a pure constituent, multiplied by the mole fraction of that constituent in the solution.
10. What is a strong and weak electrolyte?
Strong electrolytes are those electrolytes that have a high value of conductance even at low dilution. The degree of dissociation of these electrolytes is very high.
Weak electrolytes are those electrolytes if the solution of electrolyte exhibits only poor conductance. They have a low degree of dissociation.
11. Define mass detection and binding energy.
Mass effect: The mass of an atom is less than the sum of the mass of protons and neutrons in it. This difference in mass is called the mass defect.
Binding energy: Mass defect is multiplied by c^2 to change into energy i.e. E= ∆m*c^2. This energy (E) is called binding energy.
12. What is the shielding effect?
The inner electrons dilute the force of attraction of the nucleus to the valence electron. It is called the shielding effect.
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