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Explanation:

C2H2 + 5 O2 = 4 CO2 + 2 H2O

this is the BALANCED

Answer:

In chemistry, colligative properties are those properties of SOLUTIONS that depend on the ratio of the number of solute particles to the number of solvent particles in a solution, and not on the nature of the chemical SPECIES present. ... Colligative properties include: RELATIVE lowering of VAPOUR pressure (RAOULT's law)

ANSWER:

OPTION to BTAYE HAI NHI.

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Explanation:

∵ x = 2 - y

∴ x³ + 6XY + y³ - 8

= (2 - y)³ +6(2 - y)y + y³ - 8

   Expanding (2 - y)³ using identity (x - y)³ = x³ - y³ +3xy² - 3x²y

= 2³ - y³ + 3.2.y² - 3.2².y + 12Y - 6y² + y³ - 8

= 8 - y³ + 6y² - 12y + 12y - 6y² + y³ - 8

= 0       ... Hence Proved

ANSWER:

ok

Explanation:

nobmb I jgbhjgghh khhvyb ohhhghb

Answer:

1)ELECTROMERIC effect is temporary effect which involves COMPLETE transfer of pie electrons to ONE of the bonded atoms WHEREAS mesomeric is resonance effect which involves PERMANENT transfer of pie electrons or lone pair of electrons.

<P>Answer:

MG = magnesium

MN = manganese

K = potassium

P = phosphorus

CU = copper

Co = COBALT

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ANSWER:

THANKS FOR POINTS BRO

GOOD NIGHT

Answer:

As ΔT

F

=K

f

×m

where,

K

f

= Freezing POINT depression constant;

ΔT

f

= Depression in freezing point;

m= molality

Now,

ΔT

f

=K

f

×

M

2

×W

1

W

2

×1000

where,

W

2

= MASS of solute; W

1

= mass of BENZENE i.e. solvent; M

2

= MOLAR mass of solute

⇒0.40=5.12×

M

2

×50

1.0×1000

⇒M

2

=256

Thus, the molar mass of non-electrolyte is

ANSWER:

MOLAR MASS of NA2CO3 =

2×23+12+3×16. G

46+12+48 g

106 g

ANSWER:

finkelstien reaction

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Answer:

The model described the atom as a tiny, dense, positively charged core called a nucleus, in which nearly all the MASS is concentrated, around which the LIGHT, negative constituents, called electrons, circulate at some DISTANCE, much like planets revolving around the Sun.

Rutherford's Autamic model

Physicist Ernest Rutherford envisioned the atom as a miniature solar system, with electrons orbiting around a MASSIVE nucleus, and as mostly empty space, with the nucleus occupying only a very small part of the atom. The neutron had not been DISCOVERED when Rutherford proposed his model, which had a nucleus consisting only of protons.

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<P>Answer:

GIVEN:-

Pressure (P)=103kPa≈1atm

Volume of gas (V)=5.37×10−3m3=5.37L

Temperature (T)=60℃=273+60=333K

No of moles of methane (n)=?

now, using ideal gas LAW,

PV=nRT

1×5.37=n×0.0821×333

⇒n≈0.2 mol

Now,

Molecular MASS of methane (M)=16g

Therefore,

Mass of SAMPLE of methane =n×M=0.2×16=3.2g

ANSWER:

SOLIDS and LIQUIDS is your CORRECT answer

Answer:

105.9888g/mol

EXPLANATION:

explanation

ANSWER:

i)MELTING of ice.

ii)ROTATION of earth.

iii)BURNING of paper.

iv)again burning of paper.

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ANSWER:

We take percentage composition so that one can CHECK the purity of a given sample by analysing the data, so to find the percentage composition we can calculate it by the formula which is as follows:

Mass % of an element = MassofthatelementinthecompoundMolarmassofthecompound×100

Now considering data given to us in the question we can say that,

Element Sodium has percentage composition and its atomic weight is

Now calculating its relative NUMBER of atoms which is

42.123=1.83

Now its simplest ratio will be:

18.90.61=3

Now for Phosphorus its percentage composition and its atomic weight is

Now calculating its relative number of atoms which is

18.931=0.61

Now its simplest ratio will be:

0.610.61=1

Now proceeding to oxygen its percentage composition and its atomic weight is

Now calculating its relative number of atoms which is

18.931=2.44

Now its simplest ratio will be:

2.440.61=4

So by CONCLUDING the data simplest form of sodium, phosphorus and oxygen are and so we get our empirical formula as Na3PO4

ANSWER:

: no of GRAM ATOMS MEANS moles

Explanation: mole. =0.1/23. =0.0043

atomic massof sodium =23

Given MASS =0.1gm

Explanation:

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Zinc

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Convalent and HYDROGEN BONDING

★᭄ꦿ᭄Answer★᭄ꦿ᭄

The Williamson ETHER synthesis is an organic reaction, forming an ether from an organohalide and a deprotonated alcohol. This reaction was developed by Alexander Williamson in 1850. Typically it involves the reaction of an alkoxide ion with a PRIMARY ALKYL halide VIA an SN2 reaction

Answer:

it is the chemical PROCESSES

by which atmospheric NITROGEN is assimilated into

organic compounds ESPECIALLY by CERTAIN microorganism as part of the nitrogen cycle

Explanation:

The non-luminous ZONE or the most OUTER zone of the flame is the hottest PART of candle and also CONTAIN unburnt molten vapour of WAX.

Explanation:

MOLES of oxygen in 0.5 mol of CaCO3 is 1.5 mole. 1 mole of CaCO3 GIVES 1 mole of CaO and 1 mole of oxygen. Any substance has molecular MASS in 1 mole so mass of 1 mole CaCO3 is 100 gram. Contribution of oxygen in CaCO3 is 316 = 48 grams.

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Answer:

When it comes to choosing between sodas and juices in the beverage aisle, the juice industry has long benefited from a health halo. We KNOW that juice comes from fruit, while SODA is ARTIFICIAL. In particular, the sugars in juice seem more "natural" than high FRUCTOSE corn syrup — the MAIN sweetener in so many sodas.

ANSWER:A solution of sugar in water, by CONTRAST, is incapable of conducting a CURRENT; sugar is therefore a non-electrolyte. These facts have been known since 1800 when it was discovered that an electric current can decompose the water in an electrolytic solution into its elements (a process known as ELECTROLYSIS).

EXPLANATION:

Answer:The ADVANTAGES of OPEN HEARTH PROCESS are as follows: The quality of steel is uniform. This process is easily controllable. The batch SIZE in the open hearth process is very large compared to other processes.

Explanation:

Answer:

The manufacture of steel is a hot topic

The manufacture of steel is a hot topicThe most well-known of these is the Linz-Donawitz process (or LD process), also known as the basic oxygen steel making process. Liquid pig iron and scrap metal are fed into the LD converter, and flux for making SLAG is added. Oxygen is blown into the cast VIA a lance.

Open hearth process is a slow process and easy to CONTROL. We can minimize the slag due to the low SPEED and high efficiency of the process. The process is controlled and all the carbon need not be burned, UNLIKE Bessemer process, hence being able to stop the process when required carbon contents are achieved.

Answer:

ALMOST all metals are used as alloys—that is, mixtures of several elements—because these have PROPERTIES superior to PURE metals. ALLOYING is done for many reasons, typically to increase STRENGTH, increase corrosion resistance, or reduce costs.

The distillery industry uses sugarcane molasses, cereals, and other agro products for producing alcoholic beverages. The PRODUCTION of fermented and distilled DRINKS throughout the world is based on materials that can be grown LOCALLY and is BEST SUITED to prevailing climatic conditions.

ANSWER:

ferrites

Explanation:

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Answer:

Ferrous metals CONTAIN iron making most of their metals a magnetic property. Non-ferrous metals are found in the Earth as CHEMICAL compounds. The most important non-ferrous metals happen to be OXIDES or sulfides. One of the more common groups of non-ferrous materials is copper-based alloys such as bronze and brass.

Ferrous alloys or metals are metals that consist mostly of iron (FE). Steel is an iron-based alloy containing typically less than 1% carbon, where iron frequently CONTAINS 2% or more carbon. Iron and steel are widely available, strong, cheap, and can be shaped by casting.

Answer:

A triglyceride is an ester MADE up of glycerol and three different fatty acids. Triglycerides are the primary COMPONENTS of human and other vertebrate body fat, as well as vegetable fat.The temperature at which fat begins to degrade into glycerol and free fatty acids is referred to as the SMOKE point. Heating an oil or fat past its smoke point alters its chemical makeup, resulting in hazardous vapours, the release of DAMAGING free radicals, and the FORMATION of deadly carcinogens.

Explanation:

Answer:

The REPLACEMENT of para-substituted benzenes with saturated BI- and polycyclic bioisosteres – bicyclo[1.1. 1]pentane, bicyclo[2.2. 2]OCTANE and cubane, – often increases the potency, selectivity and metabolic stability of BIOACTIVE compounds.

ANSWER:

I don't KNOW this answer

SORRY

Hii

Hwllow

GOOD MORNING

SORRY i didnt UNDERSTAND UR QUESTION...

Answer:

18 G of H2O CONTAINS = 6.022×1023 molecules. 10 g of H2O cotains =6.022×102318×10 = 3.34×1023 molecules.

Explanation:

The molar MASS of the water MOLECULE is 18 g/mol. It implies that 1 mol of water molecules weigh 18 g. 18 g of water contains 1 mol of water molecules. or 18 g of water contains 6.022 x 10^23 water molecules.

★᭄ꦿ᭄Answer★᭄ꦿ᭄

Incomplete COMBUSTION

The carbon is RELEASED as SOOT . Carbon monoxide is a poisonous gas, which is one REASON why complete combustion is preferred to incomplete combustion

Answer:

For an 1 N solution we need 1 equivalent/liter. For HYDROCHLORIC acid (HCl) the equivalent weight is 36.46 grams. THEREFORE, for making an 1 Normal solution, 36.46 g/liter of HC1 is needed. Note that a 1 M solution is also 36.46 g/L.

ANSWER:

I 623 323 1989

Pas 000

Explanation:

COME

ANSWER:

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Popular brand name of CHLOROXYLENOL is dettol.

Explanation:

Chloroxylenol is an antiseptic and disinfectant used for skin DISINFECTION and with alcohol for cleaning surgical instruments. It is also used as HOUSEHOLD disinfectants and WOUND CLEANERS

ANSWER:

element

Explanation:

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Answer:

The pH of PURE water (H20) is 7 at 25oC, but when EXPOSED to the CARBON dioxide in the ATMOSPHERE this equilibrium results in a pH of APPROXIMATELY 5.2.

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ANSWER:

The main difference between natural rubber and synthetic rubber is that natural rubber is a natural BIOSYNTHESIS polymer obtained from a plant CALLED HEVEA brasiliensis, whereas synthetic rubbers are man-made polymers under CONTROLLED conditions.

<STRONG>ANSWER:

How to write a career goals essay

Stick to your own style. The essay is all about you, your goals, ASPIRATIONS and AMBITIONS. ...

Have a strong thesis statement. Like any other essay, you should start with the main point which in this CASE is about your careerambitions and set goals. ...

Have a clear structure. ...

Be relevant.

Answer:

2KI+Cl2 GIVES 2KCL+ I2

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Answer:

HERE IS YOUR ANSWER!!

atom or group of atom carrying EITHER POSITIVE or negative CHARGES are commonly known as - ION

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Explanation:

A law was passed in...prohibiting EMPLOYMENT of CHILDREN below the AGE of 14 che fgg