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MINING & CONSTRUCTION

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What are substances with a definite composition? - Quora

 · There is a Law of Definite Composition. The law of definite composition states that chemical compounds are composed of a fixed ratio of elements as determined by mass. The law of definite composition was proposed by Joseph Proust based on his obse...

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Law of Definite Proportions - Definition, Properties ...

Law of Definite Proportion Definition. A chemical compound always holds exactly the same ratio of chemicals element by mass. The equivalent statement is the law of invariant composition, which in turn states that all samples of a given chemical compound have the same elementary constitution.

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Minerals - Tulane University

Halite (salt) - is naturally formed, is solid, does have a definite chemical composition that can be expressed by the formula NaCl, and does have a definite crystalline structure. Thus halite is a mineral. Atoms. Since minerals (in fact all matter) are made up of atoms, we must first review atoms. Atoms make up the chemical elements.

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Chemical compound - The Free Dictionary

Define chemical compound. chemical compound synonyms, chemical compound pronunciation, chemical compound translation, English dictionary definition of chemical compound. ... (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight. compound. ... Chemical composition; Chemical ...

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Minerals vs Rocks - Difference and Comparison | Diffen

Minerals vs. Rocks Diffen › Science › Geology A mineral is a naturally-occurring substance formed through geological processes that has a characteristic chemical composition, a highly ordered atomic structure and specific physical properties.

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Chemical Composition - Mineral

This is done for each element in the empirical formula and tabulated as the chemical composition. Please note the sort order is based on the electro-negativity of the element. Additional information provided is the chemical composition expressed as the % oxide of the element. These data are provided to help in the comparison of mineral analyses ...

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Law of definite proportions - Wikipedia

The law of definite proportions might seem obvious to the modern chemist, inherent in the very definition of a chemical compound. At the end of the 18th century, however, when the concept of a chemical compound had not yet been fully developed, the law was novel.

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Copper chemical composition | Gindre

NOTE: the balance of the other elements (excluding copper) is defined as the sum of Ag, As, Bi, Cd, Co, Cr, Fe, Mn, Ni, 0, P, Pb, S, Sb, Se, Si, Sn, Te and Zn, excluding the other elements for which the value is already indicated. (1) Including silver, up to a maximum of 0.015%. (2) An oxygen content of 0.060% is permitted, with a prior agreement beteween the seller and the buyer.

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Mineral Definitions

"A mineral is a body produced by the processes of inorganic nature, having usually a definite chemical composition and, if formed under favorable conditions, a certain characteristic atomic structure which is expressed in its crystalline form and other physical properties" (Dana & Ford, 1932).

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Difference Between Law of Definite Proportions and Law of ...

 · The key difference between law of definite proportions and law of multiple proportions is that the law of definite proportions states the samples of a compound will always contain the same proportion of elements by mass. On the contrary, the law of multiple proportions (sometimes called Dalton's law) states that if two elements combine to form more than one chemical compound, then …

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Synonyms for Composition | Thesaurus.com

Synonyms for composition at Thesaurus.com with free online thesaurus, antonyms, and definitions. Find descriptive alternatives for composition.

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What Is the Chemical Composition of a Diamond ...

What Is the Chemical Composition of a Diamond? A diamond is made entirely from carbon, the same element that makes up the graphite used in pencil leads. What gives a diamond the unique properties that differentiate it from common graphite is its physical structure.

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The Chemical Components of a Cell - Molecular Biology of ...

The Chemical Components of a Cell Matter is made of combinations of elements —substances such as hydrogen or carbon that cannot be broken down or converted into other substances by chemical means. The smallest particle of an element that still retains its distinctive chemical properties is an atom .

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what does chemical composition mean? | Yahoo Answers

 · What does chemical composition mean? ... I have to find out the chemical compositions of sugar and salt but I dunno what it's asking for when it says 'composition'. Does that mean like chemical formula? Follow . 5 answers 5. ... inorganic solid that has a crystal structure and a definite chemical composition. krishna · 7 years ago . 0. Thumbs ...

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What is definite chemical composition

Definite chemical composition is when a mineral is made of the same material throughout. Basically when a mineral is only made of one material all the way through, not part iron in one part and ...

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Law of definite composition @ Chemistry Dictionary & Glossary

 · Law of definite composition states that the elements in a given compound are always combined in the same proportion by mass. This law form the basis for the definition of a chemical …

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1. Which of the following is the correct definition of ...

 · A. occur in gaseous and liquid stats B. formed by inorganic processes C. naturally occurring D. definite chemical composition My answer is B B. formed by inorganic . asked by Conexus Student on February 4, 2019; science. The term used to describe how light is reflected from a mineral's surface is A. glow. B. streak. C. density.

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The Composition of a Tyre: Typical Components

Composition of a Tyre: Typical Components Page 2 Tyres contain so many different compounds and ingredients because they are engineering miracles, expected to handle the tortures of heat and cold, high speed, abrasive conditions, and often not

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2010 Gemstone Chemical Properties - Emporia State University

Some gemstones are not minerals but are organically derived, such as amber and jet. Inorganic gems are crystalline, while organic gems are non-crystalline so described as amorphous, or without the crystalline form. Although chemical and crystalline properties are intertwined, all gemstones have a definite chemical composition.

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mineral | Types & Uses | Britannica.com

 · Mineral: Mineral, naturally occurring homogeneous solid with a definite chemical composition and a highly ordered atomic arrangement. Usually formed by inorganic processes, there are several thousand known mineral species, about 100 of which constitute the major mineral components of rocks.

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Bauxite is the chief ore from which aluminum is extracted ...

Bauxite is the chief ore from which aluminum is extracted. Which of these statements is correct about bauxite? A.) Its molecules are made up of a different number of atoms. B.) Its atoms do not arrange themselves in a definite order. C.) It has a definite crystal structure. D.) It does not have a definite chemical composition.

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Mineral Facts for Kids - Kiddle

"A mineral is a homogeneous naturally occurring substance with a definite but not necessarily fixed chemical composition. Most minerals are solids with an ordered atomic arrangement, and most are inorganic in the chemical sense of that word". Alternatively, a mineral is one listed as such by the International Mineralogical Association.

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Law of Definite Proportions Definition - ThoughtCo

 · This is the definition of law of definite proportions in chemistry, along with an example and explanation of exceptions to the law. ... The law of definite proportions is also known as Proust's law or the law of constant composition. ... although they are not considered true chemical compounds in the strictest chemical sense.

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Science Chapter 3-Minerals Flashcards | Quizlet

How does the composition of most minerals differ from a pure element. The composition of most minerals is two or more elements, pure elements are made of one element. (Galena-Pbs)

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What is the chemical composition of talc, and what are its ...

 · Talk is usually Mg3Si4O10(OH)2. It is found in the lab as hydrated magnesium silicate. Talc has many uses, ranging from stoves and electronics to paper, paint and medicines.

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Law of definite proportions - Wikipedia

The law of definite proportions might seem obvious to the modern chemist, inherent in the very definition of a chemical compound. At the end of the 18th century, however, when the concept of a chemical compound had not yet been fully developed, the law was novel.

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Which material has definite properties and definite ...

Definite chemical composition is when a mineral is made of the same material throughout. Basically when a mineral is only made of one material all the way through, not part iron in one part and ...

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Chemical property | Definition of Chemical property at ...

Chemical property definition, a property or characteristic of a substance that is observed during a reaction in which the chemical composition or identity of the substance is changed: Combustibility is an important chemical property to consider when choosing building materials. See more.

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What are substances with a definite composition? - Quora

 · There is a Law of Definite Composition. The law of definite composition states that chemical compounds are composed of a fixed ratio of elements as determined by mass. The law of definite composition was proposed by Joseph Proust based on his obse...

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Solved: Match The Items In The First Column With The Corre ...

Question: Match The Items In The First Column With The Correct Descriptions In The Second Column *Ice A. A Mineral Made Of Oxidized Hydrogen *Dinner Plate B. An Item That Is Solid Like A Mineral, Has Definite Chemical Composition, And Shows Distinctive Physical Properties, But Is Not Naturally Occuring *Quartz C. Silicate Mineral Consisting Solely Of Silicon ...

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