IELTS học thuật (Band 8 trở lên) - Chemistry
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Đố vui
a substance that is dissolved in a solvent, resulting in a solution
chất tan
a substance that takes part in and undergoes a chemical reaction, leading to the formation of new products
tác nhân phản ứng
(chemistry) a substance that causes a chemical reaction to happen at a faster rate without undergoing any chemical change itself
cataly
the acceleration or facilitation of a chemical reaction by a substance (catalyst) that remains unchanged at the end of the reaction
catalysis
a chemical bond where atoms share electrons to form a stable molecule
liên kết cộng hóa trị
any of two or more compounds having the same molecular formula but different arrangements of atoms and, consequently, different properties
đồng phân
a large molecule composed of repeating structural units, or monomers, covalently bonded together in a chain-like structure
polyme
a molecule that can chemically bond with other molecules to form a polymer
monome
a compound composed of hydrogen and carbon atoms, with the simplest form being alkanes, alkenes, or alkynes
hydrocacbon
a chemical compound derived from the reaction between an alcohol and an organic acid, typically with the elimination of water
este
an organic compound with a carbonyl group (C=O) bonded to a hydrogen atom and another carbon atom, commonly found in essential oils and used in various chemical processes
andehit
a compound with a hydroxyl group (-OH) attached to a carbon atom, widely used as solvents, fuels, and in pharmaceutical and chemical synthesis
rượu
an organic compound with a carbonyl group (C=O) bonded to two carbon atoms, commonly found in solvents, pharmaceuticals, and flavorings
ctone
a chemical reaction where electrons are transferred between substances
phản ứng oxi hóa-khử
the concentration of a solute in a solution, measured in moles per liter (mol/L or M)
nồng độ mol
a substance that, when dissolved in a solution, produces ions and enables the conduction of electric current
điện phân
a thermodynamic quantity representing the total heat content of a system, commonly denoted as H
enthalpy
a thermodynamic measure of the degree of disorder or randomness in a system, denoted by S
độ hỗn loạn
a mixture where small particles of one substance are evenly dispersed in another substance, typically intermediate in size between solution and suspension particles
koloit
the gradual destruction of materials by chemical reaction, usually of metals
ăn mòn
any substance with a pH of more than seven that neutralizes acids creating salt and water
kiềm