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electron gain enthalpyof an element is the energy released when a NEUTRAL isolated gaseous ATOM accepts an extra electron to FORM the gaseous negative ion i.e. anion . we can denote it by ∆i.e. H . Greater the AMOUNT of energy released is the above process ,higher is electron gain enthalpy of the element.

I THINK d is it CORRECT BRO....

Thermite reaction, Condensation of rain from water vapour Melting of ICE CUBES , Melting of SOLID SALTS

Explanation:nals to the following compounds. [10] Me viscous liquid (C18H, NOS). 'H NMR (200 MHz CDC12): 0 3.74 (s. 6 H). 4.52 (s. 2 H). 6.61 (brs, 3H). 7.25 (t. J = 8.0 Hz. 1 H). 7.40 (t. J = 8.0 Hz, 1 H). N 7.73 (d. J = 8,0 Hz, 1 H), 7.89 (d. J = 8.0 Hz. 1 H): Meo S GC-MS: m/:(%) [M] *317 (58). 301 (15), 284 (100). 270 (5). 254 (8), 242 (5). 227 (6). 182 (5). 166 (10). 151 (18). 134 (8). 121 (8). 108 (15).91 (25). 77 (15)​ Answer:   Explanation: ,JKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKSKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK  KLBKJB VKBKVBDSVH

MnO2 + NaCl + H2SO4 = MnSO4 + Cl2 + NA2SO4 + H2O | CHEMICAL reaction and equation.Explanation:Hope this will help uPLEASE PLEASE PLEASE MARK ME AS THE BRAINLIEST

1. Three states of matter exist – solid, liquid, and gas. Solids have a definite shape and volume. Liquids have a definite volume, but take the shape of the container. Gases have no definite shape or volume.2. A solid has definite volume and shape, a liquid has a definite volume but no definite shape, and a gas has neither a definite volume nor shape. Technically speaking a fourth state of matter called plasma exists, but it does not naturally occur on earth, so we will omit it from our study here.3. There are three MAIN components to kinetic THEORY: No energy is gained or lost when molecules collide. The molecules in a gas take up a negligible (able to be ignored) amount of space in relation to the container they occupy. The molecules are in constant, linear motion.4. Sedimentation is a physical water treatment process using gravity to remove suspended solids from water. Solid particles entrained by the turbulence of moving water may be removed naturally by sedimentation in the still water of lakes and oceans. ... Sedimentation is the ACT of depositing sediment.5. These are bare-bones questions. ... Both ΔE and ΔH are negative for exothermic processes.6. This method is called distillation. It is used for the separation of components of a mixture containing two miscible liquids that boil without decomposition and have sufficient difference in their boiling points.7. Separating immiscible liquids is done simply using a separating funnel. The two liquids are put into the funnel and are left for a short time to settle out and FORM two layers. The tap of the funnel is opened and the bottom liquid is allowed to run. The two liquids are now separate.8. Distillation is used to separate liquids from nonvolatile solids, as in the separation of alcoholic liquors from fermented materials, or in the separation of two or more liquids having different boiling points, as in the separation of gasoline, kerosene, and LUBRICATING oil from crude oil.9. Properties of SolutionA solution is a homogeneous mixture. ... The solute particles cannot be separated from the mixture by the process of filtration. The solute particles do not settle down when left undisturbed, that is, a solution is stable.10. Centrifugation is the technique which involves the application of centrifugal force to separate particles from a solution according to their size, shape, density, viscosity of the medium and rotor speed.please mark my brainliest and happy family stay safe stay home.

which QUESTION do u want????Explanation:but i am TELLING u the answer if the 8TH question the correct one is A bz in it the thermometer is dipped inside the WATER and B is wrong bz the thermometer is not dipped inside the water

n biphenyl, all the atoms are co-planar, becuase all the CARBON atoms in biphenyl are SP  2  hybridised. HENCE, option C is correct.Explanation:

raction of SALT from the SEA WATER is the example of evaporation. MAY it will be helpfulfor you. Mark as BRAINLIST

Ammonium (NH4+) is a non-metal that forms ELECTRO positive ions.Explanation:HOPE it will HELP you

no RELATION and there is ANS that KEY 2

(i) CHLORINE ATOM has 7 electrons in its M shell while Chloride ion has 8 electrons in the same shell. (ii) Chlorine atom is neutral while chloride ion is negatively charged. (iii) Chlorine atom is highly reactive while its ion is inert. iv) Chlorine gas is poisonous while chloride ion is non-poisonous.Please MARK this as brainliest

evaporation INVOLVES emulsification of polymer in aqueous phase and dispersion in a volatile solvent like DICHLOROMETHANE, chloroform, and ethyl acetate. Then the solvent is evaporated using HIGH temperature, vacuum, or by continuous stirringExplanation:Solvent evaporation involves emulsification of polymer in aqueous phase and dispersion in a volatile solvent like dichloromethane, chloroform, and ethyl acetate. Then the solvent is evaporated using high temperature, vacuum, or by continuous STIRRING

the SOLUTION A has more hydrogen ion concentration . solution A is ACIDIC while solution B is basichope it will help it's correct ANSWER don't WORRY

it will TRIGONAL.....in SHAPE

the ANSWER GIVEN up

ction is K2SO4+BaCl2-->BaSO4+2KClAnd BaSO4 is a PRECIPITATE which is white in colourSo , B is the correct answerPLEASE MARK ME AS BRAINLIEST

The rate of evaporation INCREASES with an INCREASE in temperature.Explanation:The rate of evaporation increases with an increase in surface area.if it helps PLS THANK me and mark me as BRAINLIEST

:- The valencys of calcium is +2 . The atomic numbers of calcium is 20 so its ELECTRONIC configurations will be 2,8,8,2. It will have 2 VALENCY elactrons. Therefore the valency of calcium is +2 as it can lose 2 electrons and complete its OCTET....Give ❤️ (◠‿◕)

.Equivalent weights may be calculated from molar masses if the chemistry of the substance is well known: sulfuric acid has a molar MASS of 98.078(5) g mol−1, and supplies TWO moles of hydrogen ions PER mole of sulfuric acid, so its equivalent weight is 98.078(5) g mol−1/2 EQ mol−1 = 49.039(3) g eq−1.

[CuSO4.5H2O]EXPLANATION:hope it HELPS youplzz mark me as UR brainliast

Total VOLUME after addition of 5mL of 1M NaCl solution =105mL Thus, 105× molarity of NaCl in COLLOIDAL solution =  5×1 Molarity of NaCl in colloidal solution =  105 5 ​    Concentration in millimole =  105 5 ​   ×100=47.6please MARK this as BRAINLIEST :) ^^

The equation, ΔG = ΔG°+ RT ln Q, is derived on Wikipedia, under the subsection Thermodynamics. Remember, Q is the reaction quotient, which at equilibrium is equal to the equilibrium constant, K. ... Since, at equilibrum, ΔG = 0, the expression can be rearranged to the FAMILIAR ΔG°= -RT ln K.Explanation:Hope It HELPS You FOLLOW Me #itzcutiepie

please follow me and write the word CORRECT COMPLEX ion .Explanation:the number of UNIDENTATE LIGANDS in complex ion is called OXIDATION number.

er molecules which form PART of the structure of a crystal are called water of crystallisation. The SALTS which CONTAIN water of crystallisation are called hydrated salts. It is BLUE in colour.

option is 1st option B coz LAMDA2 equals to lamda1 MINUS landa3then lamda1 EQUALTO lamda2 plus lamda3I THINK IT IS HELPFUL TO YOU

e here is ur answhen 3 methyl but 1 ene is reacted with hbr will give 2 PRODUCTS of alkyl HALIDES i.e.. 2 BROMO 3 methyl butane & 2 bromo 2 methyl butanethank u ❤mrk this as brainliest ans ✌hope this will help u

drous salt is only the cation and anion making up the salt. There is no water of hydration. Many salts NATURALLY draw water from the environment and occur in nature as HYDRATED salt.This means for each FORMULA unit of barium chloride there are TWO water molecules.itzDopeGirl

dbnkkjgxcbqExplanation:vvcvbxxswwtjhx

crystalline are SOLID nacl,diamond remaining all are amorphous EXPLANATION:if it HELPS U Mark me as BRAINLIEST

7Explanation:HOPE it HELPS youplzz MARK me as UR BRAINLIAST

Iron (/ˈaɪərn/) is a chemical element with symbol Fe (from Latin: FERRUM) and atomic number 26. It is a metal that belongs to the first transition series and group 8 of the periodic table. It is by mass the most COMMON element on Earth, forming much of Earth's outer and inner CORE. It is the fourth most common element in the Earth's CRUST. Explanation:

Saponification is a process that INVOLVES CONVERSION of fat, oil or LIPID into soap and alcohol by the action of heat in the presence of AQUEOUS alkali.Explanation:Saponification is a process by which triglycerides are reacted with SODIUM or potassium hydroxide (lye) to produce glycerol and a fatty acid salt called soap.