College Chemistry: Definitions and explanations page 1 PDF Download
Learn college chemistry terms with definitions and explanations, college chemistry terminologies (Page 1) for learning online college courses as:
- What is Acid?
An acid is a substance that produces h+ ions in aqueous solutions. examples of acids are ... - What is Acid Base Indicator?
An acid-base indicator changes colour as the concentration of hydrogen or hydroxide ion changes in an ... - What is Activation Energy?
Activation energy is the minimum amount of energy required by the reactants in a chemical reaction ... - What is Active Site?
Active site can be defined as the specific area in an enzyme where it can perform ... - What is Active Transport?
When molecules move across a membrane from a region of lower concentration to a region of ... - What is Acyl Chloride?
Acyl group is an organic compound. it contains the -cocl functional group. it is a reactive ... - What is Addition Reaction?
The term addition reaction itself suggests that it is the reaction in which two atoms or ... - What is Addition Polymerization?
The process where smaller units of molecules are combined to form a large, three-dimensional structure of ... - What is Adsorption?
Adsorption is the process in which molecules of gas, molecules of dissolved substances in liquids or ... - What is Alkali?
An alkali is an aqueous solution with a ph value of more than 7. alkali is ... - What are Alkaline Earth Metals?
The term alkaline earth metals refers to six elements: beryllium (be), magnesium (mg),calcium (ca),stronium (sr),barium (ba) ... - What are Alkanes?
Alkanes are a series of organic compounds consisting of carbon and hydrogen atoms where all the ... - What are Alkenes?
Alkenes are a series of organic compounds consisting of carbon and hydrogen atoms where there is ... - What are Allotropes?
The term allotrope stands for one or more forms of a chemical element that occur in ... - What is Alloy?
An alloy is formed of two or more elements of which at least one is a ... - What is Amino Acid Residue?
When two or more amino acids combine together to form a peptide, elements of water are ... - What is Amphoteric?
An amphoteric molecule is capable of behaving as both, an acid and a base. this means ... - What is Anion?
Anion are atoms or radicals which have gained electrons. examples of anions are bromide, chloride, fluoride, ... - What is Anode?
To understand the concept of anode, we can consider a polarized electrical circuit. the electrode through ... - What are Arenes?
Aromatic hydrocarbons are termed as arenes. the word aromatic refers to the pleasant smell of arenes ... - What are Atomic Orbitals?
An atomic orbital can be considered as a region around the nucleus in which we can ... - What is Adenosine Triphosphate (ATP)?
Atp is known as adenosine triphosphate. it is a nucleotide. it is an important biological molecule ... - What is Average Bond Energy?
When one mole of a particular bond is to be broken into one mole of gaseous ... - What is Avogadro Constant?
The concept of avogadro constant can be understood by considering that it is the number of ... - What are Azo Dyes?
Azo dyes are compounds that are coloured. in order to form these compounds, a solution containing ... - What is Base?
A base can be defined as a chemical specie that donates electrons, accepts protons and releases ... - What is Bidentate?
Bidentate is a ligand that had two atoms that coordinate directly to the central atom in ... - What are Biofuels?
The term biofuels itself describes itself. biofuels are those fuels that are derived immediately from living ... - What is Boiling Point?
When the vapour pressure of a liquid becomes equal to its atmospheric pressure, the temperature is ... - What is Boltzmann Distribution ?
Boltzmann distribution is the way in which molecular kinetic energies are distributed among a collection of ... - What is Bond Energy?
When one mole of a particular bond is to be broken into one mole of gaseous ... - What is Bond Enthalpy?
When one mole of a particular bond is to be broken into one mole of gaseous ... - What is Born-Haber Cycle?
Born haber cycle consists of a series of reactions and enthalpy changes used for calculating the ... - What is Bronsted-Lowry Theory of Acids?
According to the bronsted- lowry theory any compound that can transfer a proton to any other ... - What is Buffer Solution?
A buffer solution can be defined as a solution that consists of a mixture of a ... - What is Carbocation?
When an ion possesses a single positively charged carbon atom, it is said to be a ... - What is Catalyst?
A catalyst can be defined as a substance that performs the function of speeding up a ... - What is Cathode?
To understand the concept of cathode, we can consider a polarized electrical circuit. the electrode through ... - What is Cation?
The word "cation" comes from the greek word "kato," which means "down." this name was given ... - What is Cell Membrane?
A cell membrane can be defined as a semi permeable membrane. it allows some substances to ... - What is Ceramic?
An inorganic, non-metallic, often crystalline oxide, nitride or carbide material is termed as ceramic. ceramics are ... - What is Chiral Centre?
When an atom has four different groups bonded to it in such a manner that it ... - What is Closed System?
A closed system is said to be a system that does not exchange any matter with ... - What is Codon?
A codon is defined as sequence of three dna or rna nucleotides that corresponds with a ... - What is Cofactor?
A cofactor is said to be a component of an enzyme other than protein. the cofactor ... - What is Common Ion Effect?
The phenomenon in which the ionization of a weak electrolyte is suppressed by the presence of ... - What is Competitive Inhibition?
Competitive inhibition is the inhibition in which an inhibitor has a structure similar to substrate molecule. ... - What is Condensation?
Condensation is the liquefaction of vapour. a condensed state is a solid or liquid state which ... - What is Complex?
A complex is also known as coordination compound. it is formed when metal ion reacts with ... - What is Compound?
A compound is a chemical specie formed by the combination of two or more elements. it ... - What is Condensation Reaction?
Condensation reaction means combination of two molecules that forms a larger molecule and releases a smaller ... - What is Complementary Base Pairing?
Complementary base pairing means the process in dna guanine where hydrogen always binds with cytosine and ... - What is Conjugate Pair (Acid-Base)?
A conjugate pair is defined as an acid-base pair that has a difference of one proton ... - What is Co-Ordinate Bond?
To understand the concept of coordinate bond, we need to understand a covalent bond first. a ... - What is Co-Ordination Number?
Coordination number is defined as the number of atoms, ions, or molecules that a central atom ... - What is Coupling Reaction?
When two fragments are joined together with an aid of a metal catalyst, it is said ... - What is Covalent Bond?
Covalent bond is defined as a chemical bond that involves the sharing of electron pairs between ... - What is Cracking?
Cracking in chemistry is the process by which heavy hydrocarbon molecules are broken up into lighter ... - What is Dative Covalent Bond?
To understand the concept of dative covalent bond, we need to understand a covalent bond first. ... - What is Degenerate Orbitals?
Degenerate orbitals are defined as electron orbitals that possess the same energy levels. aufbau principle states ...