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Chemical testing and analysis is vital for regulatory compliance and to understand the quality and composition of chemical SUBSTANCES and MATERIALS that are used in products, industrial processes and manufacturing. Specialist industry KNOWLEDGE, and expertise in APPLYING the most relevant methodology are the keys to SUCCESSFUL chemical testing. Advanced analytical instrumentation or a combination of techniques is necessary to solve problems or determine composition.

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The REMOVAL of one or more selected components from a gas MIXTURE byabsorption is probably the most important operation in the control ofgaseous POLLUTANT emissions.Absorption is a process in which agaseous pollutant is DISSOLVED in aliquid.

Harge reduction electrospray mass spectrometry (CREMS) reduces the charge states of electrospray-generated ions, which concentrates the ions from a protein into FEWER peaks spread over a larger m/z range, thereby increasing peak separation and decreasing spectral congestion. An optimized design for a CREMS source is described that provides an order-of-magnitude increase in sensitivity compared to previous designs and provides control over the extent of charge reduction. Either a corona discharge or an α-particle source was employed to generateanions that ABSTRACT protons from electrosprayed protein cations. These desired ion/ion proton TRANSFER reactions predominated, but some oxidation and ion-attachment reactions also occurred, leading to new peaks or mass-shifted broader peaks while decreasing signal intensity. The species producing these DELETERIOUS side-reactions were identified, and conditions were FOUND that prevented their formation. Spectrometer

This happens because the mass of the rod STAYS the same, but its volume increases. The increase in the volumeof MATTER with increasing temperature is called expansion. When cooleddown, most matter DECREASES involume and increases in density. Thisdecrease in volume is called CONTRACTION.

Semicarbazide undergoes resonance involving only one of the two - NH2 groups, which is attached DIRECTLY to the carbonyl-carbon atom. THEREFORE, the electron density on - NH2 GROUP involved in the resonance also decreases. As a result, it cannot act as a NUCLEOPHILE.

The element which can form more than ONE binary compound with CHLORINE is FE

The corrosion behaviors of magnesium alloy AZ91C and its Al 2O 3 (short fiber)-reinforced metal matrix composite (MMC) in alkaline solutions (pH 10.5) containing chloride were compared using potentiodynamic polarization measurements, electrochemical IMPEDANCE SPECTROSCOPY (EIS) and IMMERSION tests.

So if one oxygen atom merges withanother, they "SHARE" electrons, GIVING both a FULL outer shell and ultimately being virtually unreactive. So, in summary, oxygen by itself doesn't have enough electrons to be stable so it SHARES electrons with ANOTHER oxygen atom.

This PERIODIC table with CHARGES is a useful way to keep track of the most common OXIDATION NUMBERS for each element.

The reducing character of THEHYDRIDES of Group 15 elementsincreases from NH3 to BiH3(Bismuthine) because thereducing character depends upon the stability of the hydride.The greater the unstability of anhydride,the greater isthe its reducing character.Since,the BiH3 is the LEAST STABLE (because the SIZE of central .

In chemistry, a zwitterion (/ˈtsvɪtəˌraɪən/ TSVIT-ə-rye-ən; from GERMAN Zwitter [ˈtsvɪtɐ], MEANING 'hermaphrodite'), formerly called adipolar ion, is a MOLECULE with two or morefunctional groups, of which at least one has a positive and one has a negative electrical charge and the net charge of the entire molecule is zero. Because they contain at least one positive and one negative charge, zwitterions are also sometimes called inner salts.[1] The charges on the different functional groups balance each other out, and the molecule as a whole is electrically neutral. The pH where this happens is known as theisoelectric point.

The activities of pure solids and liquids are equal to 1. Pure solids and liquids are not INCLUDED in THEEQUILIBRIUM constant expression. Thisis because they do not affect the REACTANT AMOUNT at equilibrium in the REACTION, so they are disregarded and kept at 1

-cho will always at terminal POSITION.... if it is SHOWN in middle of the carbon chain then it will REPRESENT KETONE( -c = o) ....

_______✨ HEY MATE ✨_______

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Answer:-
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➡️The reason is - in PCl5 the axial bonds suffer REPULSION from the EQUATORIAL bonds so they BECOME long.

This is how we'll CALCULATE VRMS VELOCITY for NH3

Answer
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-33°C AMMONIA TURNS LIQUID at ATMOSPHERIC PRESSURE.

Znznsjjwu is 1 is the SYSTEM and the internal revenue CODE of conduct of UNKNOWN

The primary AIM of the study was to investigate whether ascorbic acid (AA) SUPPLEMENTATION improves postprandial glucose responses under free living conditions in people with TYPE 2 DIABETES. A SECONDARY aim was to investigate the effect of AA supplementation on blood pressure.

Methanoic HCOOH
Acetic CH3COOH
GLOCOSE C6H12O6
NITRIC H2NO3

Explanation:

Because when they dissolve in WATER they do not release hydrogen IONS. ... And for conduction of electricity, solution must have free ions present, and in case of alcohol and glucose no free ions are there, so only presence of H is not sufficient but presence of H⁺ i.e. free ION is sufficient to conduct electricity.

The concentration of hydronium ions DECREASES when an ACID is DILUTED because on adding water the H+ ions of the acid and hydroxyl ions of water REACT to form water molecules and the concentration of hydronium ions decreases.

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The types of COLLOIDS INCLUDES sol, emulsion, foam, and aerosol. Sol is a colloidal suspension withsolid particles in a liquid. Foam isformed when many gas particles are trapped in a liquid or solid. Aerosol contains SMALL particles of liquid or solid DISPERSED in AGAS

It is SEPARATED through the PROCESS of SUBLIMATION

The ATOMIC no of carbon.-6

Electronic configuration-K -L

2 -4

To become octect or stable carbon can lose 4 ELECTRONS so it will contain only 2 electrons in the k shell and bacome stable. But the no of proton is 6.

No of proton=No of electron

No of electron is6.

But to remove 4 electrons require a large amount of energy.But many compounds loses 2 or 3 electrons whis do not require much energy.

6 proton whis is in the nucleus attracts the 6 electron towards the nucleus.

When carbon loses 4 electrons this 6 protons need to attract 2 electrons.which will make the 2 electrons taking into the nucleus.

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In what two ... An electron and PROTON moving with the same velocity ENTER a uniform magnetic field. ... A Theproton moves in a straight line while the electron is PUSHED to ONE side of its path. B The magnetic fieldproduces a larger ACCELERATION of theelectron.

Alternative sources of energy means RENEWABLE sources of energy is more IMPORTANT than any other source of energy because

* the fossil fuel RESERVE in the earth are limited which may get EXHAUST SOON.

*renewable source of energy does not pollute our environment

This is typical of uniform circular motion. The SIMPLEST case occurs when a charged particle movesperpendicular to a uniform -field, such as SHOWN in [link]. ... Here, is the radius of curvature of the path of a charged particle with MASS and CHARGE ,moving at a speed PERPENDICULAR to amagnetic field of strength .

ANSWER:

there are 4 types

Explanation:

1. chemical combination REACTION
2. decomposition reaction
3. DISPLACEMENT reaction
4. double displacement reaction

Until WOOD is buried and altered it is just stick unlike coal or crude oil wood is not a remains of PREHISTORIC ORGANISMS and THEREFORE it is not a fossil fuels it's just a FULE

Dipole-dipole. AsH3 has a pyramidal structure (AKIN to NH3) so the VECTOR sum of the INDIVIDUAL dipoles does not cancel ...

Pasteurization is a method of heating milk for example to a high heat (185 or more) in order to quickly kill *all* micro-organisms in it.  

Fermentation for food (again for milk, but there are other kinds of fermentation) is a method for ALLOWING certain "good" bacteria to grow so that they can begin eating the natural milk sugar (lactose) in milk and turn it into lactic acid (to make YOGURT, etc).  

The bacteria have an optimal temperature for growing (around 115-120 or so)-- too high a heat like the high temp required for pasteurization would kill them. That's why when yogurt is made, any pasteurization or heating-for-extra-thickness will have to happen before the particular yogurt bacteria/starter are added to the milk.

Hey MATE here's your ANSWER

MAGNESIUM oxide
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Here is your ANSWER

It TYPE of REACTION which is WRITTEN in QUESTION PAPER.

Oxalic acid is a dibasic acid and available in crystalline form as (COOH)2 .2 H20. This is taken as primary standard for acids as it can be weighed accurately.

Equivalent weight of Oxalic acid = (Molecular weight / 2) = (126 / 2) = 63 g

To PREPARE 1000 ml of 1 N Oxalic acid SOLUTION, the amount of oxalic acid required = 63 g.

Therefore, to prepare 1000 ml of 0.1 N Oxalic acid solution, the amount of oxalic acid required = 6.3 g.
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Answer: The THERMAL stability of the hydrides of group 16 elements decreases down the group, i.e., H2O > H2S > H2Se > H2Te > H2Po. This is because M-H bond DISSOCIATION ENERGY decreases down the group with the INCREASE in the size of CENTRAL atom.

Sigma bonds can rotate around and shift. This makes isomers of non-substituted alkanes impossible because the ATOMS can shift BACK and forth. PI bonds, like those in double bonds, can't FREELY move around.

ALKENES have geometrical isomerism.

Alkynes don't have geometrical isomerism.

Magnesium virtually has no reactionwith cold water. It reacts slowly with hot water to give hydrogen GAS and white magnesium hydroxide, which is only slightly SOLUBLE in water. Hydrogen gas is given out in the reaction.

Magnesium + water �> magnesium hydroxide SOLUTION + hydrogen
Mg(s) + 2H2O(l)>Mg(OH)2(s)+H2(g)