Category
Chemistry
21 items
Anti-Knock Index
Wolfram Research
The AntiKnock Index (AKI) or posted octane number (PON) is the headline octane rating shown on the pump in Canada, the United States, Brazil and some other countries.
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Concentration to Parts per Million in Water
Wolfram Research
Molar concentration is a measure of the concentration of a solute in a solution, or of any chemical species, in terms of the amount of substance in a given volume.
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Dilution Equation with Added Volume
Wolfram Research
Dilution is a reduction in the pH of a chemical (gas, vapor, solution). It is the process of decreasing the concentration of a solute in solution, usually simply by mixing with more solvent. To dilute a solution means...
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Dilution Equation
Wolfram Research
Dilution is a reduction in the pH of a chemical (gas, vapor, solution). It is the process of decreasing the concentration of a solute in solution, usually simply by mixing with more solvent. To dilute a solution means...
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Expanded Boiling-Point Elevation Equation
Wolfram Research
Boiling-point elevation describes the phenomenon in which the boiling point of a liquid (a solvent) will be higher when another compound is added, meaning that a solution has a higher boiling point than a pure solvent...
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First-Order Arrhenius Equation
Wolfram Research
The Arrhenius equation is a formula for the temperature dependence of reaction rates.
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Freezing-Point Depression Equation Using Solvent Properties
Wolfram Research
Freezing-point depression is the process in which adding a solute to a solvent decreases the freezing point of the solvent.
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Freezing-Point Depression Equation Using Cryoscopic Constant
Wolfram Research
Freezing-point depression is the process in which adding a solute to a solvent decreases the freezing point of the solvent.
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Henderson–Hasselbalch Equation Using Log Acidity Constant
Wolfram Research
The Henderson–Hasselbalch equation describes the derivation of pH as a measure of acidity (using pKa, the negative log of the acid dissociation constant) in biological and chemical systems.
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Henderson–Hasselbalch Equation Using Acidity Constant
Wolfram Research
The Henderson–Hasselbalch equation describes the derivation of pH as a measure of acidity (using pKa, the negative log of the acid dissociation constant) in biological and chemical systems.
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Molarity-to-Density Formula
Wolfram Research
Molar concentration, also called molarity, amount concentration or substance concentration, is a measure of the concentration of a solute in a solution, or of any chemical species, in terms of the amount of substance ...
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Monoprotic Strong Acid-Strong Base Titration
Wolfram Research
A monoprotic strong acid–base titration is the determination of the concentration of an acid or base by exactly neutralizing the acid or base with an acid or base of known concentration.
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Nernst Equation Using Reaction Quotient
Wolfram Research
The Nernst equation is an equation that relates the reduction potential of an electrochemical reaction (half-cell or full-cell reaction) to the standard electrode potential, temperature and activities (often approxima...
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Nernst Equation Using Equilibrium Constant
Wolfram Research
The Nernst equation is an equation that relates the reduction potential of an electrochemical reaction (half-cell or full-cell reaction) to the standard electrode potential, temperature and activities (often approxima...
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pH Using H+ Concentration
Wolfram Research
pH, the potential of hydrogen, is a numeric scale used to specify the acidity or basicity of an aqueous solution.
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pH Using pOH
Wolfram Research
pH, the potential of hydrogen, is a numeric scale used to specify the acidity or basicity of an aqueous solution.
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pKa Using Concentrations
Wolfram Research
An acid dissociation constant is a quantitative measure of the strength of an acid in solution. pKa refers to the logarithm of the acid dissociation constant.
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pKa Using Acidity Constant
Wolfram Research
An acid dissociation constant is a quantitative measure of the strength of an acid in solution. pKa refers to the logarithm of the acid dissociation constant.
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pOH
Wolfram Research
pOH, the potential of hydroxide ions, is a numeric scale used to specify the acidity or basicity of an aqueous solution.
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Second-Order Arrhenius Equation
Wolfram Research
The Arrhenius equation is a formula for the temperature dependence of reaction rates.
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Simple Boiling-Point Elevation Equation
Wolfram Research
Boiling-point elevation describes the phenomenon that the boiling point of a liquid (a solvent) will be higher when another compound is added, meaning that a solution has a higher boiling point than a pure solvent. Th...