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☆ Each MOLECULE contains 18 water molecule

☆ Number of molecules are 333

☆ So the TOTAL water molecules are

333× 18 = 5994 molecule

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Answer:

Electrolysis is the process by which ionic SUBSTANCES are DECOMPOSED (broken down) into simpler substances when an electric current is passed through them. Electricity is the flow of electrons or ions. For electrolysis to WORK, the compound MUST CONTAIN ions.

MANI

Explanation:

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Answer:

EXPLANATION:

By these two characters, i.e Browninan movement and DIFFUSION we can UNDERSTAND that particles in the MATTER are bound to move freely........

ANSWER:

Both take 1kg of SOLID in FUSION and 1kg of LIQUID in vapourisation.

Answer:

Explanation:

A balanced chemical eqn is an eqn in which total MASS of reactants must be equal to the total mass of PRODUCTS or in other WORDS, the no of ATOMS of different ELEMENTS must be equal to the no of atoms in the product side acc. to the Law of conservation of mass....

Answer:

Chemical change means the CHANGES which we can't reverse. For EXAMPLE. Cooking of food.

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ANSWER:

Banana FIBER.

Explanation:

In the Bacnis method, banana fibre is produced from the waste stalk of banana plant, the outer sheth is tightly covered LAYERS of fiber.

ANSWER:

ACETIC is the answer or don't KNOW

CH3CH2OH is the EQUATION for FORMATION of ETHYL ALCOHOL

Answer:

CALCULATE the amount of excesd rectant LEFT at the end of the REACTION

ANSWER:

Jewellers SEPARATE the pearls of different sizes by the method of sieving or HAND PICKING.

Rigidity: It is a PROPERTY of MATTER which defines its state to be in a fixed which does not CHANGED by the application of force or stress. Solids posses HIGH rigidity.

Fluidity: It is a property of a matter which defines its nature to flow from one place to ANOTHER place. Gases has high fluidity.

Answer:

Explanation:

2Mg + O2 -> 2MgO......

(1 g Mg) / (24.30506 g Mg/mol) = 0.0411 mol Mg .

(0.5 g O2) / (31.99886 g O2/mol) = 0.0156 mol O2 .

0.0156 mole of O2 would react completely with 0.0156 x (2/1) = 0.0312 mole of Mg, but there is more Mg PRESENT than that, so Mg is in excess. 

((0.0411 mol Mg INITIALLY) - (0.0312 mol Mg REACTED)) x (24.30506 g Mg/mol) = 0.24 g Mg - REMAINING.....

Answer:

CAMPHOR and iodine both the substances UNDERGO sublimation

A WHITE gas is produced during the sublimation of both the substances

ANSWER:

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ANSWER:

HEY friend

Explanation:

your answer is SO4 2-

Answer:

Using the equation given below:

Where,  

i=van't hoff factor

n=NUMBER of particles that dissociate

=DEGREE of dissociation

Dissociation of SrCl₂ , can be seen in the equation given below:

SrCl₂----->Sr²⁺ + 2Cl⁻  

So number of PATICLES dissociate=3

i=1.6

putting all the VALUES in the equation:

=0.3

As  is the degree of dissociation

then PERCENT dissociation=0.3×100

                                          =30 percent

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Answer:

kg⋅A-1⋅s-1. DIMENSION. The mass-to-charge ratio (m/Q) is a physical quantity that is most widely used in the electrodynamics of charged particles, e.g. in ELECTRON OPTICS and ION optics

Answer:

it FORMS a separate layer on the IRON nail which prevent METAL from CORROSION outside ENVIRONMENT.

By KNOWING these electrical charge property if they difflect from the cathode RAY than we can SAY that is lac of electron and vice VERSA

Mixture CONTAIN different types of SUBSTANCES in different compositions. these substance may have different MELTING andboiling point hence the melting and boiling point of a mixture cannot be FIXED. ... However there are also IMPURITIES can lowers the melting and boiling point during heating.

EXPLANATION:

OXIDATION NUMBER is ZERO

Answer:

ONE MOLE is defined as the amount of substance containing as many ELEMENTARY entities (atoms, molecules, ions, electrons, radicals, etc.) as there are atoms in 12 grams of carbon-12 (6.023 x 1023). The MASS of one MOLEOF a substance equals its relative molecular mass expressed in grams.

Answer:

Though thermoset plastics and THERMOPLASTICS SOUND similar, they have very different PROPERTIES and applications. The primary physicaldifference is that thermoplastics can be remelted BACK into a liquid, whereasthermoset plastics ALWAYS remain in apermanent solid state.

ANSWER:CH20

Explanation:

C6H12O6/2=CH2O

Answer:

Chlorophyll fluorescence ANALYSIS has BECOME one of the most powerful and widely USED . Relating electron transport to CARBON fixation.

ANSWER:the reaction will go in BACKWARD direction

Explanation:during an exothermic rxn heat is RELEASED ..on INCREASING temp.

heat will increase...as the product side is increasing so to remain in equilibrium according to Le chatelier's PRINCIPLE the rxn will move in backward direction.

ANSWER:

PETROCHEMICALS are derived from VARIOUS chemicalcompounds, mainly from hydrocarbons. Ethane, propane and natural gas liquids obtained from natural gas are the other important FEEDSTOCK used in the Petrochemicalsindustry.

COMMON salt

chemical NAME:- SODIUM chloride

chemical FORMULA :-NACL

ANSWER:

a 0

since there is no OH ION PRESENT

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H3O+]=[HCL]=0.001 M. This means that the pH of the solution will be.pH=−log(0.001). pH=3. As you know, the pH of a solution is SIMPLY a measure of the concentration of hydronium ions

Answer:1/2:1/28:1/16

Explanation

Q1)SI UNITS- MASS -kilogram 2) length-meters. 3). time-hours

NITRATE CHLORIDE is the ANSWER

acid rain is HELD due to global warming and it create green house effect in which green house gases like ( carbon DIOXIDE , methane e.t.c) are present.

acid rain are convert gases into acid like - Sulphur into sulphuric acid and nitrogen into nitric acid.

causes of acid rain is to convert WHITE marble into yellow e.t.c

Example- once Taj Mahal is converte in yellow type.

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Answer:

Explanation:

Converting mass to number of moles:

16g of methane = 1 mole of CH4 as Molecular weight of CH4 is 16

(16 gram/ 16 gram per mole )

So, CH4 + 2O2 → CO2 +2H2O

16 GM + 2* (32 gm) → 80 gm of products (CONSERVATION of mass  but not Moles)

of 80 gm, one mole of CO2 is equivalent to 44 gm ( as MW= 44 gm/mol)

So, 80–44= 36 gm ( 2* 18 gm) of water..........

ASTATINE ..... .is the RADIOACTIVE HALOGEN

ANSWER:

land USE for to TAKE CARE of animals

Answer:

we know that EGG shell is made up of CALCIUM CARBONATE(CacCo3).And we also know that when calcium carbonate reacts with NITRIC acid it gives carbon dioxide,calcium NITRATE and water.Same rxn hppns when nitric acid is poured over egg shell..

Explanation:

Step-growth polymerization REFERS to a TYPE of polymerization mechanism in which bi-functional or multifunctional monomers REACT to form first dimers, then trimers, longer oligomers and eventually long chain polymers.

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ANSWER:

the FREEZING POINT is 0C

ANSWER:

CONDENSATION = the process which INVOLVES the change of matter from gas to LIQUID on COOLING is called condensation

evaporation = the slow process involving the change of matter from liquid to gas on the surface of the liquid is called evaporation

freezing = the process involving the change of matter from liquid to solid on cooling is called freezing

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Answer:

Chemistry play important role in our daily LIVE .WITHOUT chemistry we can't live in the chemistry a important FACTOR is CHEMICAL reactions .

ANSWER:

HYDROGEN

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Answer

In the modern atomic theory its stated that an atom is divisible/no LONGER INDIVISIBLE as an atom COULD be divided into PROTONS ELECTRONS and neutrons

Answer:

Explanation:

N-type semiconductors are CREATED by doping an intrinsic semiconductor with an electron donor element during MANUFACTURE.  In n-type semiconductors, electrons are the majority carriers and holes are the minority carriers. A common dopant for n-type silicon is phosphorus or arsenic.

P-Type Semiconductor-The addition of trivalent impurities such as boron, ALUMINUM or gallium to an intrinsic semiconductor creates DEFICIENCIES of valence electrons, called "holes". It is typical to USE B2H6 diborane gas to diffuse boron into the silicon material.

Answer:

The kinetic energy of same orbit of HYDROGEN atom is 3.4 EV.

Explanation:

For hydrogen atom, The kinetic energy Is EQUAL to the negative of the total energy And the potentlal energy Is equal to the TWICE of the total energy. The first excited state energy of orbital -3.4 eV and The kinetic energy of same orbital -(-3.4 eV) 3.4 eV Therefore, the kinetic energy of same orbit of hydrogen atom is 3.4 eV.

Answer:

The law of reciprocal proportions is one of the BASIC LAWS of STOICHIOMETRY. It relates the proportions in which elements combine across a number of DIFFERENT elements. It was FIRST formulated by Jeremias Richter in 1791

Explanation:

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Answer:

0.01 MOL

Explanation:

1 MOLE = 22.4 LITRE

224ml= 0.224 litre

= 0.224/22.4

= 1/100

= 0.01 mol

Answer:

First of all, it’s important to place the fridge away from direct sunlight because it can heat it up during the SUMMER. The fridge should also be placed away from the oven and microwave because they too produce heat. So it’s ok to put it in the KITCHEN as long as you keep these details in MIND.

Also, since the fridge is large and robust, it takes a lot of space in the kitchen REDUCING the available storage options. But you can still make the most of your kitchen by adding storage above the fridge. It can be a custom-made wall mounted cabinet or a shelf