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Reactants or Reagents, Various Definations

Reactants or Reagents, Various Definations
A reagent or Reactant: Is a substance or compound added to a system (Matter) to cause a chemical reaction, or added to test if a reaction occurs.
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Stoichiometry - WAEC TUTORIALS

Stoichiometry - WAEC TUTORIALS
Stoichiometry:  is the calculation of relative quantities of  reactants  and  products  in  chemical reactions . Stoichiometry is founded on the law of …
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Chemical equation - WAEC TUTORIALS

Chemical equation - WAEC TUTORIALS
A chemical equation is the symbolic representation of a chemical reaction in the form of symbols and formulae, wherein the reactant entities are given on …
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Boyle's law of gases

Boyle's law of gases
Boyle's law  (sometimes referred to as the  Boyle–Mariotte law , or  Mariotte's law ) is an experimental gas law that describes how the pressu…
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Water: The Universal Solvent and solvent of life

Water: The Universal Solvent and solvent of life
Water (H2O) is a polar inorganic compound that is at room temperature a tasteless and odorless liquid, nearly colorless with a hint of blue.
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Chemical Reaction Product

Chemical Reaction Product
Products are the species formed from chemical reactions.  During a chemical reaction reactants are transformed into products after passing
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Charles's law

Charles's law
Charles's law  (also known as the  law of volumes ) is an experimental gas law that describes how gases tend to expand when heated. A modern statem…
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Ideal gas law

Ideal gas law
As explained in Wikipedia, The  ideal gas law  is the equation of state of a hypothetical ideal gas. It is a good approximation of the behavior of many gas…
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Ideal gas - WAEC TUTORIALS

Ideal gas - WAEC TUTORIALS
An ideal gas is a theoretical gas composed of many randomly moving point particles whose only interaction is perfectly elastic collision.
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Avogadro's law of gases

Avogadro's law of gases
Avogadro's law  (sometimes referred to as  Avogadro's hypothesis  or  Avogadro's principle ) is an experimental  gas law  relating volume of…
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What is kelvin Unit of Measurement

What is kelvin Unit of Measurement
The kelvin is a unit of measure for temperature based upon an absolute scale. It is one of the seven base units in the International System of Units (SI) a…
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Importance of HPLC in Cleaning Validation of Laboratory Glassware

Importance of HPLC in Cleaning Validation of Laboratory Glassware
HPLC has made significant contributions in detection and quantitative estimation of organic compounds.
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Smart ideas for generating reliable HPLC results

Smart ideas for generating reliable HPLC results
HPLC has a marked presence in analytical research and quality control laboratories. Important decisions concerning both manufacturing processes as well as…
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Guard columns and their benefits in HPLC analysis - Lab Training

Guard columns and their benefits in HPLC analysis - Lab Training
The efficient operation of  HPLC system  is dependent on freedom of mobile phase and sample from chemical impurities or solid suspension
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Precautions in the handling of HPLC mobile phase

Precautions in the handling of HPLC mobile phase
MOBILE PHASE FILTRATION KIT    Preparation and handling of    HPLC    mobile phase is an  important task in sample analysis. At this stage extre…
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Intro To HPLC system - Lab Training

Intro To HPLC system - Lab Training
High Performance Liquid Chromatography (HPLC) is a popular and versatile technique which provides affordable solutions on separation, identification and
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Chemistry News:Transition metal–catalyzed alkyl-alkyl bond formation - Another Great dimension in cross-coupling chemistry

Chemistry News:Transition metal–catalyzed alkyl-alkyl bond formation - Another Great dimension in cross-coupling chemistry
Alkyl-alkyl bond formation, including control of stereochemistry: an ongoing challenge in organic synthesis. From top to bottom: sp 2 - versus sp 3 -hyb…
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Periodic gradation of elements in group seven - THE HALOGENS

 Periodic gradation of elements in group seven - THE HALOGENS
The group 7 elements which are called the halogenes are diatomic in nature i.e they are made up of diatomic molecules and highly reactive the group name…
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Reactions between Acids and Metals, Their Oxides and Carbonates - WAEC TUTORIAL

Reactions between Acids and Metals, Their Oxides and Carbonates - WAEC TUTORIAL
Metals are known to react with acids resulting in the evolution of hydrogen gas. Only the metals which lie above the electrochemical or activity series ca…
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Different Between X-Ray Diffraction (XRD) and X-Ray Fluorescence (XRF)

Different Between X-Ray Diffraction (XRD) and X-Ray Fluorescence (XRF)
Both XRD and XRF are material characterization techniques which have gained popularity in the past several decades.
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Differences and similarities in the properties between the second and the third period elements

Differences and similarities in the properties between the second and the third period elements
A diagonal relationship is said to exist between certain pairs of diagonally adjacent elements in the second and third periods of the periodic table…
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Group 7 elements ( Transition Metals)

Group 7 elements ( Transition Metals)
Group 7, numbered by IUPAC nomenclature, is a group of elements in the periodic table. They are manganese (Mn), technetium (Tc), rhenium (Re), and bohrium…
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Test Method For Sodium Carbonate ( Soda Ash) Purity

Test Method For Sodium Carbonate ( Soda Ash) Purity
SODA ASH ANALYSIS General Consideration: Soda ash is a technical grade sodium carbonate, Na2CO3 which decomposes to sodium oxide and carbon dioxide at…
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Wear Metal Analysis in Used Oils- A potential application area of AAS..Help in Engine Preventive Maintenance

Wear Metal Analysis in Used Oils- A potential application area of AAS..Help in Engine Preventive Maintenance
Engines constitute an important power generation source in road transport vehicles, aviation and small scale power generation for industrial and agricultu…
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Periodic gradation of the elements in the third period - PERIODIC CHEMISTRY

Periodic gradation of the elements in the third period - PERIODIC CHEMISTRY
The  period 3 element  is one of the  chemicalelements  in the third row (or  period) of the periodic table of the chemical elements. The periodic table i…
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Block periodic table

Block periodic table
A  block  of the periodic table of elements is a set of adjacent  groups. The term appears to have been first used by Charles Janet.The respective highest-…
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Periodic trends of chemical elements

Periodic trends of chemical elements
Periodic trends are specific patterns that are present in the periodic table that illustrate different aspects of a certain element, including its size an…
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Chemical Periodic law - PERIODIC CHEMISTRY

Chemical Periodic law - PERIODIC CHEMISTRY
The periodic law also known as Dimitri mendeleev law. It states that the properties of the element in the periodic table are periodic functions of their a…
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