Find a translation for the chemical equivalent definition in other languages: Select another language: - Select - (Chinese - Simplified) (Chinese - Traditional) Espaol (Spanish . The USP and the NF (USP- NF) jointly publish a book of public pharmacopeial standards for chemical and biological drug substances, dosage forms, compounded preparations, excipients, medical devices, and dietary supplements. Specifically: (a) The comparative proportions by which one . Chemistry Equivalent. Physics . None of these are detectible by a symmetry element. 1. The equivalence ratio can take a global form such as used for diffusion flames and combustor design. Answer (1 of 4): milliequivalent(meq) is 1/1000 of a chemical equivalent. . Equivalent weight is dimensionless so it does not have any units. So, we would expect to see two signals. Locate them with a symmetry axis or a plane of symmetry respectively. Having virtually identical or corresponding parts. To summarize, homotopic and enantiotopic protons are chemically equivalent and give one signal. Such nuclei are called chemical shift equivalent or chemically equivalent. In a titration, it is where the moles of titrant equal the moles of solution of unknown concentration. An equivalent (symbol: officially equiv; unofficially but often Eq) is the amount of a substance that reacts with (or is equivalent to) an arbitrary amount (typically one mole) of another substance in a given chemical reaction. The solute's role in the reaction determines the solution's normality. Definition in the dictionary English. Second Law of Electrolysis can be stated as the amount of different substances released by the same quantity of electricity passing through the solution is proportional to their chemical equivalent weights. Thus, the above two expressions are equivalent and can be written as: 25 5 = 10 2 + 5 2. We can say that the conductance of an electrolytic solution depends on the concentration of the ions present in the solution. equivalent weight, in chemistry, the quantity of a substance that exactly reacts with, or is equal to the combining value of, an arbitrarily fixed quantity of another substance in a particular reaction. by defination one mole acid will furnish one mole H+ ion and one mole base will furnish one mole OH - ion to form one mole water molecule and we may infer that : that mass of acid which furnish one mole H+ will react with that mass of base which furnish one mole OH- ion for complete nuterilisation means 36.5 gm Hcl is equalent to 40 gm of NaoH Equal in any respect. Definition of chemical equivalent The units of dose equivalent are the sievert (Sv) and rem. Having equal valencies. We know all too well that using the wrong products, processes, or technologies can solve problems only temporarily, but will generate the next nightmares. In addition, it was found quite early that one acid could be displaced from a salt with another acid, and Read More Lab Grade A line of solvents suitable for histology methods and general laboratory applications. Chemical Equivalent The quotient obtained by dividing the atomic weight, q. v., of an element by its valency, q. v. Thus the atomic weight of oxygen is 16, its valency is 2. its chemical equivalent is 8. OpenSubtitles2018.v3. Maths. An earlier definition, used especially for chemical elements, holds that an equivalent is the amount of a substance that will react with 1 g (0.035 oz) of hydrogen, 8 g (0.28 oz) of oxygen, or 35.5 g (1.25 oz) of chlorineor that will displace any of the three. In acid-base reactions, this point indicates when an entire acid or base has been neutralized. Potential energy, U, is defined as the energy stored in an object subjected to a conservative force. Equivalent concentration Jump to navigation Jump to search In chemistry, the equivalent concentration or normality of a solution is defined as the molar concentration ci divided by an equivalence factor feq: .. Definition of Equivalent. Of moles)*(x-factor)*1000 meq= (no. See comprehensive translations to 40 different langugues on Definitions.net! Only in this case it's possible to define them as a group and not individually. chemical equivalent. If in doubt what relationship they . Definition of ethanol equivalent. Equivalent weight unlike molecular weight is proportional mass of chemical entities which combine or displace other chemical entities. See also: equivalent Medical Dictionary, 2009 Farlex and Partners Want to thank TFD for its existence? Noun 1. meq - one-thousandth of an equivalent milliequivalent atomic mass, atomic weight, relative atomic mass - the mass of an atom of a chemical element. equivalent. The valency of hydrogen is always 1. Can be calculated as.. meq = (weight/equivalent weight)*1000 meq= N*V(ml) meq= (no. Chemical Equivalent The quotient obtained by dividing the atomic weight, q. v., of an element by its valency, q. v. Thus the atomic weight of oxygen is 16, its valency is 2. its chemical equivalent is 8. In chemistry, equivalent weight is the amount of a material that perfectly interacts with, or is equal to the combining value of, an arbitrarily set amount of another substance in a certain reaction. The molecular weight of an acid that contains one equivalent for a proton is called the equivalent of acid. equal in worth or value, equal in importance; corresponding . This one's in the exact same environment this one is, this one is, so again, symmetry helps you realize that all four protons are in the same environment. 2. The equivalence ratio is defined as the ratio of the fuel mass flow rate to the air mass flow rate divided by the same ratio at the stoichiometry of the reaction considered. 1 mile. When two equivalent nuclei have identical relations with the same identical partners, they are "magnetically equivalent". Physics glossary . 12L14 material density is 7.87 g/cm (0.284 lb/in); Tensile strength is 390 MPa (57 ksi) for hot rolled, 540 MPa (78 ksi) for cold rolled; Yield strength is 230 MPa (34 ksi) for hot rolled, 410 MPa (60 ksi) for cold rolled; Hardness is 121 HB (hot rolled), 163 HB (cold rolled). Used of two sets. The equivalent is formally defined as the amount of a substance (moles) which will react with 6.022 x 10 23 electrons. 2. Define equivalent. Did you know? A substance recognized by an official pharmacopoeia or formulary. Of the same value. 2. In medicine and biochemistry 5280 ft. Click the card to flip . Substances react in stoichiometric, or chemically equivalent, amounts with one another, and a common standard is established. A substance (other than food). Babylon English. Definition of equivalent weight 1) An oxidizing or reducing agent, who's mass gains (oxidizing agents) or loses (reducing agents) 6.022 x 1023 electrons in a redox reaction. Na 2 CO 3 + 2HCl 2 NaCl + CO 2 + H 2 O. Molecular mass of Na 2 CO 3 = 23 x 2 + 12 x 1 + 16 x 3 = 106. one gram equivalent of Na 2 CO 3 . What is the best definition of equivalence point? Other units are derived from these four by the usual rules.2. The chemical equivalent is defined as the weight in grams of a substance that displaces or combines with one gram of hydrogen. Mathematically, it can be expressed as. Having similar or identical effects. Common types include the gravitational potential energy of an object that depends on its mass and its distance from the center of mass of another object. means drug products that contain the same active Generic Equivalent Effective dose equivalent Dose equivalent (HT Examples Stem. Tour Start here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site That which is equal in size, weight, force, or any other quality to something else. of the earliest examples of chemical equivalence: the idea that a certain measure of one substance is in some chemical sense equal to a different amount of a second substance. 1.1.1 Equivalence ratio. The equivalence point is that at which two chemicals have completely reacted. Equivalent (chemistry) An equivalent (symbol: officially equiv; [1] unofficially but often Eq [2]) is the amount of a substance that reacts with (or is equivalent to) an arbitrary amount (typically one mole) of another substance in a given chemical reaction. Two mathematical expressions are said to be equivalent if they yield the same result upon solving them. They're the chemical equivalent of a fingerprint. It is an archaic unit of measurement that was used in chemistry and the biological sciences in the era before researchers knew how to determine How to use equivalent in a sentence. In other words, while titrating, it is a point where the amount of added titrant is enough to neutralize the analyte solution completely. Maths Logic (of two propositions) having an equivalence between them. Brayton cycle or Rankine cycle).. Equivalent as a adjective means Equal, as in value, force, or meaning.. Capable of being put into a one-to-one relationship. Comparison with the definition of the ampere then shows that 1 (emu of current) = 10 A. The equivalent is formally defined as the amount of a substance which will either: react with or supply one mole of hydrogen ions (H +) in an acid-base reaction; or; react with or supply one mole of electrons in a redox reaction. 22.4 litres of CO 2 at STP = 1 mole. Chemical equivalent - Of an element, the atomic weight of an element divided by its valence, or the weight of an element a . 392 g of H 2 SO 4 = 4 moles of H 2 SO 4. 4. The meaning of EQUIVALENT is equal in force, amount, or value; also : equal in area or volume but not superposable. c. (of two sets) having the same cardinal number. Several versions of generic montelukast are made by different. i.e. This value can be calculated using a mathematical equation. b. b. Kinetic energy. Equivalent weight = (Atomic mass)/ (Valency) This could be intuitive and obvious for some. electrochemical equivalent noun : the weight of a substance (such as an element) deposited or evolved during electrolysis by the passage of a specified quantity of electricity and usually expressed in grams per coulomb, the value for silver as the usual standard being 0.001118 gram Love words? The energetics of the chemical transformations of ethanol to carbon-based chemicals based on a reaction or sum of several reactions and the heat of . 6.022 x 10 23 molecules = 1 mole of oxygen molecules. The classical form of the law is the following equation: dU = dQ - dW.
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