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Chemistry Glossary Terms Starting with the Letter H

Chemistry Glossary and Dictionary

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This image depicts the distribution of electric potential across the hydronium cation.

This image depicts the distribution of electric potential across the hydronium cation.

Ben Mills

This chemistry glossary offers definitions for terms which are commonly used in chemistry and chemical engineering.

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Haber process

hafnium

half-cell

half-equation

half-life (t1/2)

half-reaction

halide

halide ion

haloalcohol

haloalkane

haloarene

halocarbon

haloform

halogen

halogenated ether

halogenated hydrocarbon

halogenation

halogenoalkane

halogenoarene

halohydrin

halon

hapticity

hard water

hard x-rays

hartree

hassium

HCFC

heat

heat capacity

heat of formation ( ΔHf)

heat of fusion ( ΔHfus)

heat of sublimation ( ΔHsub)

heat of vaporization ( ΔHvap)

heavy metal

heavy naptha

heavy water

hecto

Heisenberg uncertainty principle

helium

Helmholtz free energy

Henderson-Hasselbalch equation

Henry's Law

hepatic air

heptose

hepatotoxic

hepatotoxin

herbicide

hermetic seal

Hertz

Hess's Law

heteroatom

heterocyclic compound

heterodimer

heterogeneous

heterogeneous catalyst

heterogeneous mixture

heterogeneous reaction

heteronuclear

hexose

hexavalent

his

holmium

homodimer

homogeneous

homogeneous catalysis

homonuclear

homopolymer

hormone

Huckel's (or Hückel's) Rule

humidity

hybrid orbital

hydrargyrum

hydration reaction

hydride

hydride ion

hydrocarbon

hydrochlorofluorocarbon

hydrogen

hydrogen bond

hydrogenation

hydrolysis

hydrometer

hydron

hydronium ion

hydrophilic

hydrophobic

hydroxide

hydroxyl group

hydroperoxyl

hygroscopic

hypergolic

hypertonic

hypochlorite

hypothesis

hyptonic

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

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