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Basic Sciences - Chemical Reactions

Study terms related to reaction types, reactants, products, energy changes, reaction rates, catalysts, and chemical processes.

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Words Related to Basic Sciences
catalysis
catalysis
[существительное]

the acceleration or facilitation of a chemical reaction by a substance (catalyst) that remains unchanged at the end of the reaction

катализ, каталитическое ускорение

катализ, каталитическое ускорение

Ex: Enzymatic catalysis plays a key role in biological processes, including the synthesis and breakdown of biomolecules in living organisms. 
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catalyst
catalyst
[существительное]

(chemistry) a substance that causes a chemical reaction to happen at a faster rate without undergoing any chemical change itself

катализатор

катализатор

Ex: Enzymes are naturally occurring biological catalysts that allow complex metabolic reactions to proceed efficiently in living cells. 
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to react
to react
[глагол]

(physics) to be subject to physical or chemical change

реагировать

реагировать

Ex: When sodium reacts with water, it produces sodium hydroxide and hydrogen gas as byproducts. 
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caustic
caustic
[прилагательное]

the ability to chemically corrode or eat away materials, typically referring to strong acids

каустический

каустический

Ex: Extreme caution must be exercised when handling caustic materials to avoid accidents and injury. 
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synthesis
synthesis
[существительное]

the act of producing a substance that exists in living beings

синтез

синтез

Ex: The liver plays a crucial role in the synthesis of proteins necessary for blood clotting. 
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reactant
reactant
[существительное]

a substance that takes part in and undergoes a chemical reaction, leading to the formation of new products

реагент

реагент

Ex: In photosynthesis, carbon dioxide (CO₂) and water (H₂O) are the reactants that, in the presence of sunlight, produce glucose (C₆H₁₂O₆) and oxygen (O₂). 
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product
product
[существительное]

a chemical substance generated by a reaction

продукт, результат

продукт, результат

Ex: Water is the product of hydrogen and oxygen combining. 
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reaction rate
reaction rate
[существительное]

(chemistry) the measure of how fast chemical substances transform into different substances over time

Ex: Increasing the temperature usually raises the reaction rate. 
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reversible reaction
reversible reaction
[существительное]

(chemistry) a reaction where products can change back into the original reactants

Ex: The reversible reaction eventually reaches a balance where both forward and reverse changes occur at equal rates. 
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irreversible reaction
irreversible reaction
[существительное]

(chemistry) a reaction where reactants turn into products that cannot change back

Ex: Burning wood is an irreversible reaction because ash cannot become wood again. 
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exothermic reaction
exothermic reaction
[существительное]

a chemical reaction that releases heat energy to its surroundings, typically resulting in a temperature increase

экзотермическая реакция, реакция

экзотермическая реакция, реакция

Ex: Combustion of propane in a gas stove is an exothermic reaction that releases heat and light. 
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endothermic reaction
endothermic reaction
[существительное]

a chemical process that absorbs heat energy from its surroundings, often resulting in a temperature decrease

эндотермическая реакция, эндотермический процесс

эндотермическая реакция, эндотермический процесс

Ex: When ammonium nitrate dissolves in water, the endothermic reaction causes the solution to cool. 
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oxidation
oxidation
[существительное]

the process of oxidizing; the addition of oxygen to a compound with a loss of electrons; always occurs accompanied by reduction

окисление, процесс окисления

окисление, процесс окисления

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reduction
reduction
[существительное]

a chemical process in which electrons are gained by an atom or ion, often involving the removal of oxygen or addition of hydrogen

восстановление, химическое восстановление

восстановление, химическое восстановление

Ex: The reaction involved the reduction of iron oxide to iron. 
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redox
redox
[существительное]

(chemistry) a reaction where one substance loses electrons and another gains them at the same time

Ex: Redox is essential for cellular respiration and energy production. 
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combustion
combustion
[существительное]

a chemical reaction between a fuel and an oxidizing agent, typically producing heat and light

горение, сгорание

горение, сгорание

Ex: The combustion of wood in the fireplace provided warmth and a cozy atmosphere in the living room. 
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decomposition
decomposition
[существительное]

(chemistry) the breakdown of a single compound into two or more simpler substances

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electrolysis
electrolysis
[существительное]

(chemistry) the process of separating a liquid or solution into its parts by passing electricity through it

электролиз

электролиз

Ex: By subjecting saltwater to electrolysis, we can produce chlorine gas and sodium hydroxide, which have various industrial applications. 
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dilution
dilution
[существительное]

(chemistry) the process of making a solution weaker by adding more liquid, usually water

Ex: Dilution of the concentrated acid with water made it safe to handle. 
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activation energy
activation energy
[существительное]

(chemistry) the minimum amount of energy needed to start a chemical reaction

Ex: The reaction won't begin until the molecules reach the activation energy. 
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