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Naturvetenskap SAT - Kemiska ämnen och egenskaper

Här kommer du att lära dig några engelska ord relaterade till kemiska ämnen och egenskaper, såsom "salt", "buffert" etc., som du behöver för att klara dina SATs.

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SAT Vocabulary for Natural Sciences
catalyst
[Substantiv]

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

katalysator, aktiverare

katalysator, aktiverare

Ex: In the Haber process , iron is used as a catalyst to promote the synthesis of ammonia from nitrogen and hydrogen gases .I Haber-processen används järn som **katalysator** för att främja syntesen av ammoniak från kväve- och vätegas.
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buffer
[Substantiv]

a solution containing a weak acid and its conjugate base, or a weak base and its conjugate acid, which maintains a stable pH when small amounts of acid or base are added

buffert, buffertlösning

buffert, buffertlösning

Ex: Buffers play a significant role in biochemical research by providing a controlled environment for reactions .**Buffertar** spelar en betydande roll i biokemisk forskning genom att tillhandahålla en kontrollerad miljö för reaktioner.
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reactant
[Substantiv]

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

reaktant

reaktant

Ex: When iron reacts with sulfur , the reactants are iron and sulfur .När järn reagerar med svavel, är **reaktanterna** järn och svavel.
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reagent
[Substantiv]

a substance or compound used in a chemical reaction to detect, examine, or produce other substances

reagens

reagens

Ex: Reagents vary widely in their properties and are selected based on their compatibility with the reaction conditions and desired outcome .**Reagenser** varierar kraftigt i sina egenskaper och väljs utifrån deras kompatibilitet med reaktionsförhållandena och önskat resultat.
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noble gas
[Substantiv]

any of the elements in Group 18 of the periodic table, including helium, neon, argon, krypton, xenon, and radon, characterized by their inert nature and stable electron configurations

ädelgas, inert gas

ädelgas, inert gas

Ex: The noble gas configuration is characterized by a full outer electron shell , contributing to the stability and lack of reactivity .Konfigurationen av **ädelgaser** kännetecknas av en fullständig yttre elektronskal, vilket bidrar till stabilitet och brist på reaktivitet.
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inert gas
[Substantiv]

a group of non-reactive gases that typically exhibit low chemical reactivity due to their stable electron configurations

inert gas, ädelgas

inert gas, ädelgas

Ex: Deep-sea divers breathe a mixture of oxygen and inert gases like helium to prevent nitrogen narcosis at great depths .Djuphavsdykare andas en blandning av syre och **inerta gaser** som helium för att förhindra kvävenarkos på stora djup.
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halogen
[Substantiv]

a type of chemical element found in Group 17 of the periodic table, known for being highly reactive and commonly used in disinfectants and lights

halogen, halogenelement

halogen, halogenelement

Ex: The halogens share common properties such as high electronegativity and the ability to gain an electron to achieve a stable electron configuration .**Halogenerna** delar gemensamma egenskaper som hög elektronegativitet och förmågan att få en elektron för att uppnå en stabil elektronkonfiguration.
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polythene
[Substantiv]

a durable plastic material used for packaging, bags, and various applications

polyeten, plast

polyeten, plast

Ex: She packed sandwiches in polythene bags for the picnic .Hon packade smörgåsar i **polyeten** påsar för picknicken.
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polystyrene
[Substantiv]

a lightweight and versatile synthetic polymer used in packaging, insulation, and disposable products

polystyren, polystyrenskum

polystyren, polystyrenskum

Ex: Manufacturers recycle polystyrene to produce new products like picture frames and garden furniture .Tillverkare återvinner **polystyren** för att producera nya produkter som bildramar och trädgårdsmöbler.
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phosphorous
[adjektiv]

referring to the essential chemical element phosphorus, which is vital in biological processes and various industrial applications

fosforhaltig, fosforisk

fosforhaltig, fosforisk

Ex: Phosphorous deficiency in soil can lead to stunted crop growth .Brist på **fosfor** i jorden kan leda till hämmad växttillväxt.
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acetone
[Substantiv]

a colorless, volatile liquid solvent commonly used for removing nail polish and other substances from surfaces

aceton, propanon

aceton, propanon

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alginate
[Substantiv]

a naturally occurring polysaccharide derived from brown seaweed, commonly used in various industries for its thickening, gelling, and stabilizing properties

alginat, naturligt polysackarid som härstammar från brunalger

alginat, naturligt polysackarid som härstammar från brunalger

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silicate
[Substantiv]

a compound containing silicon and oxygen atoms, often forming minerals or glasses, with diverse applications in industry and nature

silikat, kisel förening

silikat, kisel förening

Ex: Silicate ceramics are used in various high-temperature applications due to their heat-resistant properties.**Silikat**keramik används i olika högtemperaturapplikationer på grund av deras värmebeständiga egenskaper.
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graphene
[Substantiv]

a single layer of carbon atoms arranged in a two-dimensional honeycomb lattice, known for its exceptional strength, electrical conductivity, and flexibility

grafen, ett enskikt av kolatomer ordnade i ett tvådimensionellt bikakeliknande gitter

grafen, ett enskikt av kolatomer ordnade i ett tvådimensionellt bikakeliknande gitter

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malic acid
[Substantiv]

a naturally occurring organic compound found in many fruits that contributes to their sour taste

äppelsyra

äppelsyra

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citric acid
[Substantiv]

a weak organic acid found naturally in citrus fruits like lemons, oranges, and limes, commonly used as a food additive for flavoring and preserving

citronsyra, lemonsyra

citronsyra, lemonsyra

Ex: Some cosmetics and pharmaceuticals use citric acid for its antioxidant and pH-balancing effects .Vissa kosmetika och läkemedel använder **citronsyra** för dess antioxidativa och pH-balanserande effekter.
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phosphate
[Substantiv]

a chemical compound that contains phosphorus and oxygen atoms, commonly found in salts or esters of phosphoric acid, important for biological processes and industrial applications

fosfat, en kemisk förening som innehåller fosfor- och syreatomer

fosfat, en kemisk förening som innehåller fosfor- och syreatomer

Ex: Sodium phosphate is used as a food additive and a laxative in medicine.Natrium**fosfat** används som livsmedelstillsats och laxermedel inom medicinen.
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charm quark
[Substantiv]

a type of elementary particle that is one of the six types, or flavors, of quarks that has an electric charge of +2/3 and participates in strong and electromagnetic interactions

charmkvark, förtrollande kvark

charmkvark, förtrollande kvark

Ex: Quarks like the charm quark play a crucial role in the formation of hadrons , such as the J / psi particle , which consists of a charm quark and an anti-charm quark bound together .Kvarkar som **charmkvarken** spelar en avgörande roll i bildandet av hadroner, såsom J/psi-partikeln, som består av en charmkvark och en anticharmkvark bundna tillsammans.
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disinfectant
[Substantiv]

something that has specific chemicals or causes a chemical reaction that destroys harmful microorganisms such as bacteria

desinfektionsmedel, antiseptikum

desinfektionsmedel, antiseptikum

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bicarbonate
[Substantiv]

a chemical compound important for regulating pH balance, found in baking soda and crucial for bodily functions

bikarbonat, vätekarbonat

bikarbonat, vätekarbonat

Ex: Agricultural practices may involve applying bicarbonate to soil to adjust pH for optimal crop growth .Jordbruksmetoder kan innefatta att applicera **bikarbonat** på jorden för att justera pH för optimal grödutveckling.
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solute
[Substantiv]

a substance that is dissolved in a solvent, resulting in a solution

löst ämne, solut

löst ämne, solut

Ex: Dissolving a pain reliever ( e.g. , aspirin ) in water results in the drug acting as the solute in the liquid solvent .Att lösa upp en smärtlindrande medicin (t.ex. aspirin) i vatten resulterar i att läkemedlet fungerar som den **lösta ämnet** i det flytande lösningsmedlet.
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saturated
[adjektiv]

having absorbed as much of a substance as possible at a given temperature, reaching its maximum concentration

mättad, genomdränkt

mättad, genomdränkt

Ex: The paper towel became saturated with spilled coffee, unable to absorb any more liquid.Pappershandduken blev **mättad** med spilld kaffe och kunde inte absorbera mer vätska.
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ethereal
[adjektiv]

(of a solution) containing volatile or highly flammable substances, such as diethyl ether

eterisk, flyktig

eterisk, flyktig

Ex: The ethereal nature of diethyl ether makes it a useful solvent for extracting natural products from plant materials .Den **eteriska** naturen hos dietyleter gör den till ett användbart lösningsmedel för att extrahera naturliga produkter från växtmaterial.
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inorganic
[adjektiv]

describing chemical compounds that do not contain carbon-hydrogen bonds and are typically derived from minerals or non-living matter

oorganisk

oorganisk

Ex: Inorganic chemistry focuses on the study of compounds and elements that do not involve carbon-hydrogen bonds.**Oorganisk** kemi fokuserar på studiet av föreningar och element som inte innefattar kol-vätebindningar.
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solvent
[Substantiv]

a liquid that is capable of dissolving another substance

lösningsmedel, solvent

lösningsmedel, solvent

Ex: Water is the universal solvent, capable of dissolving more substances like salt and sugar than any other liquid.Vatten är det universella **lösningsmedlet**, som kan lösa upp fler ämnen som salt och socker än någon annan vätska.
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alkaline
[adjektiv]

refering to substances that have a pH greater than 7, indicating a basic or non-acidic nature

alkalisk

alkalisk

Ex: Alkaline batteries use potassium hydroxide as an electrolyte to generate electricity.**Alkalisk** batterier använder kaliumhydroxid som elektrolyt för att generera elektricitet.
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saline
[adjektiv]

containing or relating to salt

salt, salt-

salt, salt-

Ex: The saline soil in the coastal region affected the types of crops that could be grown successfully.Den **salta** jorden i kustregionen påverkade vilka typer av grödor som kunde odlas framgångsrikt.
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