Chemical in a sentence

Chemical formulas may be used in chemical equations to describe chemical reactions and other chemical transformations, such as the dissolving of ionic compounds into solution.

Emission spectrum of iron The term chemical energy is often used to indicate the potential of a chemical substance to undergo a transformation through a chemical reaction or to transform other chemical substances.

From the perspective of chemical engineers, the chemical industry involves the use of chemical processes such as chemical reactions and refining methods to produce a wide variety of solid, liquid, and gaseous materials.

The Chemical Weapons Convention Act, 2000 which adopts the International Chemical Weapons Convention, also prohibits the use and acquisition of certain toxic chemicals, in addition to regulating chemical weapons.

Organization for the Prohibition of Chemical Weapons, the world's chemical weapons watchdog, landed in Syria on April 14 to begin a fact finding investigation to determine whether Syria did indeed use banned chemical munitions.

A chemical species moves from areas of high chemical potential to areas of low chemical potential.

A Chemical technologist is more involved in the management and operation of the equipment and instrumentation necessary to perform chemical analyzes than a chemical technician.

A molecule is the smallest indivisible portion of a pure chemical substance that has its unique set of chemical properties, that is, its potential to undergo a certain set of chemical reactions with other substances.

Chemical warfare agents seeAlso A chemical used in warfare is called a chemical warfare agent (CWA).

Dalton proposed that each chemical element is composed of atoms of a single, unique type, and though they cannot be altered or destroyed by chemical means, they can combine to form more complex structures ( chemical compounds ).

General chemical symbols There are also symbols in chemical equations for groups of chemical elements, for example in comparative formulas.

Molecular formulas Chemical formula types main The chemical formula for a molecule uses a single line of chemical element symbols, numbers, and sometimes also other symbols, such as parentheses, dashes, brackets, and plus (+) and minus (−) signs.

Structural formulas may in turn be represented with a one-dimensional chemical name, but such chemical nomenclature requires many words and terms which are not part of chemical formulas.

The U.S. Army Chemical Materials Agency oversaw disposal of several other chemical weapons stockpiles located across the United States in compliance with international chemical weapons treaties.

Although they sell foodstuff items at Ojota market, but when you talk of the largest chemical market in Lagos, the first thing that comes to mind is the Ojota chemical market hence its popularity.

At each power plant stack, a chemical scrubbing system will convert the air pollution to a chemical solid waste disposal issue that is considered less problematic to handle.

Despite insisting the use of chemical weapons was a red line, then US president Barack Obama held back on retaliatory strikes, instead reaching a deal with Russia on the dismantlement of Syria's chemical arsenal under UN supervision.

Having a foundational understanding of chemical composition and the methods for chemical speciation is crucial for identifying pollution sources.

He was awarded a PhD in chemical engineering from the University of Newcastle, Australia and has worked in senior chemical engineering roles with leading companies such as Hatch Engineering and Metso Minerals in Australia and Malaysia.

She criticized Trump’s water plug and grilled his appointment of someone with ties to the chemical industry’s chemical safety office when he was president.