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ANSWER:

a. 3.800×106

Explanation:

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Answer:

EXPLANATION:

The length of the EDGE of the unit cell is twice the DISTANCE between sodium and chloride IONS in sodium chloride crystal. It is 2X.

Answer:

Similarly, the latent heat of vaporization or evaporation (Lv) is the heat that has to be GIVEN to a unit mass of material to convert it from the LIQUID to the vapor phase without a change in temperature.

Explanation:

When a material in liquid state is given ENERGY, it changes its phase from liquid to VAPOUR without change in temperature, the energy ABSORBED in the process is called latent heat of vaporization. The latent heat of vaporization of water is about 2260kJ/Kg which is equal to 40. 8kJ/mol.

Answer:

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Explanation:

Displacement reaction is a CHEMICAL reaction in which a more reactive ELEMENT DISPLACES a less reactive element from its compound. Both metals and non-metals take part in displacement reactions. Example : Reaction of iron nails with copper sulphate solution.

Answer:

the amount of heat required to convert 1 kg of ICE in to WATER at 0° Temperature it is CALLED LATENT heat of fusion

Answer:

decomposition reaction CAUSED by electricity is called electrolysis .

EXPLANATION:

electrons are NEGATIVELY charged particles they flow from negative to positive direction

and from low potential to HIGH potential

ANSWER:

Answer is A) VAPOURISATION

ANSWER:

ACIDIC will FILL up the BLANK PERFECTLY

Answer:

the chemical element of ATOMIC NUMBER 17, a toxic, IRRITANT, PALE green gas.

Explanation:

Explanation:   Diamond is hard DUE to strong covalent bonds present in it. In a Graphite, carbon atoms are bounded together in a FLAT layers by an strong covalent bonds in a regular haxagon. These layers are held together by much wealer van DER WALL's forces, therefore the crystals of graphite soft and SLIPPERY.

ANSWER:

CH4 and NH3 are the THREE ELECTRON pairs

Explanation:

Ethanol is a renewable resource as it can be produced from BIOMASS without contributing to the greenhouse gas EMISSIONS. Reforming of ethanol to PRODUCE hydrogen is a potentially attractive process. The reactions involved include STEAM reforming followed by water-gas shift and selective oxidation of CO.

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EXPRESS each of the FOLLOWING NUMBER as the sum of TWO ODD prime

Answer:

I am assuming CL3 is outside the bracket. The IUPAC name of the complex compound will be triammine triaqua chromium (III) chloride.

Explanation:

NOTE: The given complex compound is a CATIONIC complex because the dissociation is as follows-

[Cr( H20)3 (NH3)3]+3 + 3CL-

2. PICO Meter

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ANSWER:

ਕਿਉਂਕਿ ਇਹ ਵੀ ਹੈਰਾਨੀ ਸੀ ਕਿ ਉਹ ਆਪਣੇ ਆਪ ਨੂੰ ਸਮਝਣ ਲਈ ਸਾਨੂੰ ਇਹ ਵੀ ਹੈਰਾਨੀ ਸੀ ਕਿ

EXPLANATION:

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• 8

Explanation:

MAXIMUM number of COLUMNS which is common to both the groups=

Remainder in this case is zero.

Since, HCF= 8

Hence, the maximum number of columns=8

ANSWER:

Demulcents are mucoprotective agents that RELIEVE pain and inflammation of the mucous MEMBRANES.

Explanation:

For an infinitely dilute aqueous solution, MOLALITY will be equal to MOLARITY. Its VOLUME will be equal to its mass. Thus, 1 L of solution will weigh 1 KG. The number of moles of SOLUTE per litre of solution will be equal to the number of moles of solute per kg of solution

Answer:

y ES Abd El-Sayed · 2020 · Cited by 16 — HISTORICAL trend of pulp and paper manufacturing ... The ABUNDANCE of non-woody raw MATERIALS in some countries is also ... Wood fibers are divided into TWO types which are softwood (such as ...

Answer:

The molecular weight of NAOH is 40 G/mol.

The number of moles of NaOH

40 g/mol

5 g

=0.125 moles.

500 ML WATER corresponds to0.500 L.

The MOLARITY of the solution =

0.500 L

0.125 moles

=0.25 M

Answer:

guxfufteagjxydsgjx the same for this calendar at any TIME after

Explanation:

hi I have been WORKING with the same for you and I am LOOKING for a call to be

Answer:

a) The primary difference that LIES between these organic compounds and inorganic compounds is that organic compounds ALWAYS have a carbon atom while most of the inorganic compounds do not contain the carbon atom in them. Almost all the organic compounds contain carbon-hydrogen or a simple C-H bond in them.

b) Ethanol has functional group alcohol (-OH).

c)Diamond, graphite, and fullerenes (substances that include nanotubes and 'buckyballs', such as buckminsterfullerene) are three allotropes of pure carbon.

d) Carboxylic acid (like any other acid) TURNS blue litmus red. Alcohols do not RESPOND to this test except phenol. Carboxylic acids on esterification give off a sweet smell.

e) Explanation: A saturated hydrocarbon is the hydrocarbon in which all its carbon-carbon bonds are single. ... An unsaturated hydrocarbon,however, is the one in which some carbon-carbon bonds can be double or triple. e.g alkenes like ethene have double bonds while alkynes like ethyne have triple bonds.

f) Compounds of carbon are classified as organic when carbon is bound to hydrogen. Carbon compounds such as carbides (e.g., silicon carbide [SiC2]), some carbonates (e.g., calcium carbonate [CaCO3]), some cyanides (e.g., SODIUM cyanide [NaCN]), graphite, carbon dioxide, and carbon monoxide are classified as inorganic.

ANSWER:

IONIC MOLECULES CONTAIN BONDS

Answer:

This is an acid-BASE REACTION (neutralization): Mg(OH) 2 is a base, H 3PO 4 is an acid.

...

Search by PRODUCTS (Mg 3(PO 4) 2, H 2O)

1 H3PO4 + Mg(OH)2 → H2O + Mg3(PO4)2

2 H3PO4 + MgO → H2O + Mg3(PO4)

Answer:

the pressure composition plot of a SOLUTION of two volatile liquids a and b are given below. Answer the following by studying the plot carefully.

I) which liquid has a HIGHER boiling POINT?

2) what do point y and z represent?

ANSWER:

CARBON DIOXIDE is the answer

EXPLANATION:

The magnesium will catch FIRE but not GET VANISHED

Answer:

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and answer is

Avogadro's number is an ABSOLUTE number: there are 6.022×1023 elementary entities in 1 mole. ... The mass of ONE mole of a SUBSTANCE is equal to that substance's molecular WEIGHT. For example, the mean molecular weight of water is 18.015 atomic mass units (amu), so one mole of water weight 18.015 grams.

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ANSWER:

NYLON FIBRES MAKE PANTS

ANSWER:

➡

EXPLANATION:

rykr HO i chhe YEH g J DI uc di

Explanation:

FIRST word "hydrogen". Second word is the root of the nonmetal with a SUFFIX "-ide". These compounds are CALLED HYDRACIDS because dissolve in water are acid DISSOLUTIONS.

ANSWER:

A systematic way of naming HYDROCARBONS and other organic compounds has been devised by the International UNION of PURE and Applied Chemistry (IUPAC). 

Answer:

TiO is the answer

Explanation:

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Answer:

MIXED together, lemon juice, water, and SUGAR form a solution. A solution is a mixture in which the different kinds of matter are spread out evenly. In LEMONADE, water is called the SOLVENT. Sugar and lemon juice are solutes.

Explanation:

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Answer:

HEAT is been transferred from hot to cold LIQUID to get the energy to CONVERT liquid to VAPOUR state. So the heat is absorbed by the liquid that is being vaporized

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1.hanging WET clothes under fan

2.drying then on a sunny day

3.drying then on a WINDY day.

these methods helps TH dry the clothes quickly.

because RATE of evaporation increases with respect to more heat and wind (windy ATMOSPHERE).

Explanation:

hope this helps you .

ANSWER:

In the IBPS PO, SO and SBI cleric exams, Assertion and Reason questions are a recent addition to the paper. In the space below, we will see what we mean by an Assertion and Reason question. It will check your logical and reasoning capacities and ALSO give you an insight into the level of the paper for these exams. We will see some examples of this type and try to FIGURE out the diversity of the questions that will be PRESENT in the exam paper. LET us see!

ANSWER:

can you PLEASE WRITE in hindican you please write in HINDI

ANSWER:

jrjrjtjtmdmdkdkkdkdkdkkkddkkdkdkdkkdkdkdkdkdkdk

ANSWER:

REACTIVITY SERIES is a DECREASE in ORDER

ANSWER:

OPTION 3 is CORRECT butyne-1

ANSWER:

EXPLANATION:

KYA PATA kya hoga bc pan14

Answer:

Percent COMPOSITION tells you which TYPES of atoms (elements) are present in ... for a reaction of iron and oxygen which PRODUCES an iron oxide compound. ... What was the mass of oxygen GAS that escaped?

⟹ =

⟹ = +

⟹ =

⟹ =

⟹ =

Answer:

The atomic mass of atoms, ions, or atomic nuclei is slightly less than the sum of the MASSES of their constituent protons, neutrons, and electrons, DUE to binding energy mass LOSS (PER E = mc2).

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Answer:

yes it is a GLASS tube in the fig. 1 the grape juice is going to the WATER tube

Explanation:

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ANSWER:

concentrated copper sulphate SOLUTION when filter and COLD rapidly farms MOLTEN solution Vikas when the ions present in the copper sulphate get displaced by water and then H2 IOS and OS MINUS ions are rapidly in termux and then altogether there is an alkaline crystalline and aqua based solution and that will really look up like a molten solution

ANSWER:

WATER is SOLVENT and SALT is solute

Explanation:

its so SIMPLE