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Polyvinyl formal (PVF) and Polyvinyl acetate (PVAc) are the vinyl polymers that are highly insoluble in water instead they FORM a film in water instead they dissolved in anionic surface-active agent resolution.

compound SOLUTIONS of PVF, PVAc, and polyvinyl alcohol in surface-active agent were studied viscometrically and electrophoretically. The compound forms a posh with the surface-active agent, the behaviour of that is analogous to it of electrolyte. The advanced is charged and migrates to the anode. With qualitative analysis of the answer of polymer‐surfactant advanced against running water, the compound separates out; but, the compound doesn't separate of undialyzed resolution, NOTWITHSTANDING the answer is diluted to way less concentration than the CMC of the surface-active agent. therefore the dissolution of the compounds within the surface-active agent resolution is because of the homeward adsorption of surface-active agent ions on the polymer molecule. the quantity of adsorb-able surface-active agent ions was calculable. The adsorption could be of the Langmuir SORT.

The rate of diffusion of methane at given TEMP is twice of a gas x the molecular weight of gas x is 64.

The rate of diffusion of two GASES are compared as follows.

As The rate of diffusion of methane at given temp is twice of a gas x the molecular weight of gas x is 64.

Hence,

Squaring both sides to remove the square root.

Then we will get after squaring both sides,Then we will get after squaring both sides,

M2 = 64

Detailed SOLUTION and explanation is given in the attachment

There is one that i know of and that is that less HEAT is given out COMPARED to COMPLETE COMBUSTION

Hey here is your answer.....
The law of conservation of massstates that mass in an ISOLATED system is NEITHER created nor destroyed by chemical reactions or physical transformations. According to the law of conservation of mass, the mass of the products in a chemical reaction must EQUAL the mass of the REACTANTS.

We will OBTAIN STAINLESS STEEL.

I THINK some CHEMICALS LIKE NA

The iron is more REACTIVE it rust fastly because of oxygen and moisture it is better to coat its KEEPS TIN from preventing

There are so MANY ELEMENTS which do not EXIST FREELY like
1-sodium
2-potassium
3-magnesium
3-Aluminium

1.hydrogen BUBBLES
2.because of hydrogen GAS ENTERING into soap solution
3.t/the bubbles BLAST with a pop sound
yes the OBSERVATION is same...

Water of crystallisation are water molecules that are PRESENT inside CRYSTALS. Water is often INCORPORATED in the formations of crystals from aqueous solutions.

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PLZZ...mark my ans as brainliest

INDICATOR  LOW pH colour           Transition pH range

Methyl RED         Yellow                              4.8 – 6.0  

Bromothymol  BLUE Yellow                    6.0 – 7.6

Thymol blue        Yellow                             8.0 – 9.6

Phenolphthalein Colourless              8.3 – 10.0

Your QUESTION seems to be incomplete but all you need to know about these aromatic compounds such as BENZENE have six CARBON atoms in the ring.

The heat of combustion produced will depend on the number of carbon atoms in the STRUCTURE hence it may be high or low.

Using this OVERVIEW will help you know how to go about it.

HoLLa mate,
Here is URR answer.

when aniline REACT with chloroform and( ALCHOL) koH it GIVES a smell of isocyanide. but

N methyl aniline doesn't GIVE any smell.
name of this test is ( carbylamine test)

HEY!!!!

It's 1 bromo 4 CHLORO METHYL benzene.

When PRESSURE increases then INTERMOLECULAR forces DECREASE and when temperature increases then intermolecular forces increases.

Phenolic ionic liquids for the efficient and REVERSIBLE capture of CO2 were designed and prepared from phosphonium hydroxide and substituted PHENOLS. The electron‐withdrawing or electron‐donating ability, position, and number of the substituents on the anion of these ionic liquids were correlated with the physicochemical properties of the ionic liquids. The results show that the stability, viscosity, and CO2‐capturing ability of these ionic liquids were significantly affected by the substituents. Furthermore, the relationship between the DECOMPOSITION temperature, the CO2‐ABSORPTION capacity, and the basicity of these ionic liquids was quantitatively correlated and further rationalized by theoretical calculation. Indeed, these ionic liquids showed good stability, HIGH absorption capacity, and low absorption enthalpy for CO2 capture. This method, which tunes the physicochemical properties by making use of substituent effects in the anion of the ionic liquid, is important for the design of highly efficient and reversible methods for CO2‐capture. This CO2 capture process using diverse phenolic ionic liquids is a promising potential method for CO2 absorption with both high absorption capacity and good reversibility.

The best for us a good WEEKEND so don't have been in my OPINION is my CV in.

I THINK the element number is 12 and 13. but I'm not sure about it . SORRY YA

HEYA MATE HERE U GO

litmus solution is a DYE extracted from lichen a plant belonging to the division of thallophyta and is USED as INDICATOR

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The materials having same ELASTIC properties in all directions are CALLED ISOTROPIC.

Starch SOLUTION and tincture IODINE are COLLOID and thus will show tyndall EFFECT.

INSIDE an egg, the dispersed phase is the COMPONENT that is present in small quantities WHEREAS the dispersed medium is present in larger quantities. THEREFORE, albumin is CONSIDERED as the dispersed materials and the yolk is the dispersed phase of an egg.

Due to ELECTRONEGATIVITY difference between atoms in a molecule, shared PAIR of ELECTRONS move to the more electronegative atom.So it aquires a partial negative charge and the other atom gets a partial positive charge.Thus a charge separation is formed in the molecule and it becomes POLAR.

HEY MATE!

⬇️⬇️⬇️ANSWER ⬇️⬇️⬇️

❤️________________❤️

⭐CONDITION FOR COVALENT BOND⭐

✨ATOMS HAVE TO SATISFY THEIR SHELLS BY SHARING✨

✨NEEDS STRONG ENOUGH ATTRACTION BETWEEN THE ELECTIONS OF EACH ATOM✨

✨THERE NEEDS TO BE ROOM IN EACH OUTER ENERGY LEVEL ✨



⚡I HOPE IT HELPS YOU ⚡

Assertion The CENTRE of MASS of an ELECTRON and proton, when released moves FASTER towards proton. 46. Assertion A planet moves faster, when it is closer to the SUN in its orbit and vice versa.

E2E2 reactions are SELECTIVELY trans
Hence (C) trans
=CH3CH
=CHCH3CH3CH
=CHCH3
is the CORRECT ANSWER.

Hey mate your answer is HF.because Then the electronegativity of F is the higher of the group (indeed, it is the highest of all the 118 elements) . The higher the electronegativity the stronger the attraction that the halogen attracts the ELECTRONS and the stronger the HYDORGEN bonding. Then, the CONCLUSION is that HF has the strongest hydrogen bonding.

Your answer is

1. All the ELEMENT in same GROUP have same PROPERTIES because they have ARRANGED the element of same properties in same group .

2. The noble GAS has been discovered late because it is an extermily unreactive gas .

However, ammonia, unlike PHOSPHINE, hashydrogen bonds due to the presence of a covalent bond between hydrogen and HIGHLY electronegative nitrogen with a lone PAIR. Hydrogen bonds are stronger than London DISPERSION FORCES, therefore ammonia hasstronger intermolecular forces and higher boiling point.


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The safety data SHEET of chemicals is a manufacturer for importer provide for safety data SHEETS or material for each HAZARDOUS CHEMICAL to downstream users to communicate INFORMATION on these hazards.

NITEROGEN. Has MAXIMUM UNPAIRED 3P ELECTRON.

It is a CHEMICAL CHANGE because the reddish-BROWN substance which you mentioned is nothing but rust and the process is called rusting. rusting is a chemical process in which iron reacts with oxygen in presence of MOISTURE to produce a reddish brown substance called rust

To CALCULATE BOND order in chemistry, subtract the number of the ELECTRONSIN the antibonding molecules from THENUMBER of electrons in the bonding molecules. Divide the result by 2 to getthe result. The higher the bond order, the more stable the molecule.


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The insoluble sticks on the clothes and so the cleaning capacity of SOAP is reduced. The cleaning ACTION of soap is very effective in SOFT water because it contains negligible calcium and magnesium ions.

a HOMOLOGOUS series is a series of compounds with the same functional group and similar chemical properties in which the members of the series differ by the number of repeating units they CONTAIN.[1] This can be the length of a CARBON chain,[1] for example in the straight-chained alkanes (paraffins), or it could be the number of monomers in a homopolymer such as amylose.[2]

No coal TAR cannot be obtained from natural GAS is a LIQUID but coal is a natural RESOURCE which is a solid