Also found in: Dictionary, Thesaurus, Medical. Related to pure substance: Homogeneous mixturepure substance[′pyu̇r ′səb·stəns] (chemistry) A sample of matter, either an element or a compound, that consists of only one component with definite physical and chemical properties and ...
Define Pure substance. Pure substance synonyms, Pure substance pronunciation, Pure substance translation, English dictionary definition of Pure substance. Noun 1. chemical substance - material produced by or used in a reaction involving changes in atoms
A pure substance is any single type of material that has not been contaminated by another substance. Water is considered a pure substance if the water contains only hydrogen and oxygen. Other examples include gold, silver and salt. In chemistry, a pure substance has a definite composition. It ...
Pure Substance in Chemistry | Definition, Properties & Examples Related Study Materials Browse by Courses Physics 101: Intro to Physics Introduction to Natural Sciences: Certificate Program Principles of Health: Certificate Program Physical Science: High School Praxis Family and Consumer Sciences (5122) ...
In chemistry, a pure substance is a sample ofmatterwith both definite and constant composition and distinctchemical properties. To avoid confusion, a pure substance is often referred to as a "chemical substance." Key Takeaways: Pure Substance Definition in Chemistry ...
substance definition as summarised in this section: azeotropic mixtures, dissociative compounds in equilibrium, enantiomers and racemates (§ 18), certain types of mixed crystals or other polymorphic compounds, polymers (§ 16), many biochemical compounds, and systems that are not in thermodynamic ...
The adjective pure describes something that's made of only one substance and is not mixed with anything else. For example, your favorite soft, warm winter scarf might be made from pure merino wool.
1. (= unadulterated) [wool, alcohol, substance]→ puro; [silk]→ naturala pure wool jumper→ un jersey de lana purait's blackmail, pure and simple→ esto es chantaje, lisa y llanamente 2. (= clean, clear) [air, water, sound, light]→ puro 3. (= sheer) [pleasure, luck, coincid...
Do the Relics of Saint Nicholas Really Emit a Holy Substance? What’s the Difference Between Bison and Buffalo?Immanuel Kant Immanuel Kant, pencil portrait by Hans Veit Schnorr von Carolsfeld (1764–1841); in the Kupferstich-Kabinett, Dresden, Germany. (more) Critique of Pure Reason work by...
to form a compound. During a chemical reaction, two or more chemical molecules interact and change. Take a steel garbage can, for instance: when the iron in the garbage can interacts with the oxygen in the atmosphere, a chemical reaction occurs and the substance we call “rust” is created...