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ong>Answer:

What’s the difference between an ATOM and molecule? Molecules are made of atoms. While that MIGHT be the biggest difference between molecules and atoms, it isn’t the only difference. Dive deep into atoms and molecules to find what MAKES them each unique.

diagram of oxygen atom and water molecule

Steam or water VAPOUR.

Explanation:

Water is AVAILABLE on earth in THREE states-

• In 0 degree or below, water is available in solid state as ice.
• Between 0 degree and 100 degree, water is available in the liquid state as water.
• In 100 degree and above, water is available in the gaseous state as steam or water vapour.

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1st numoniya

Explanation:

other QUESTIONS ANSWERE i don't KNOW

ong>Answer:

USE EXAMPLE to SHOW that A-B,B-A&AnB are MUTUALLY disjoint setjmnv

ong>Answer:

Degradation of LAND and Soil EROSION 2. Deforestation 3. Faulty Utilisation of WATER Resources 4. Environmental PROBLEMS from Faulty Mining Practices 5.

ong>Answer:

empirical formula is the same as the molecular formula as there is no number that is a divisor to all the THREE subscripts (12, 22 and 11)

• Thermal spray (or metallising).
• Electroplating.
• Sherardizing and thermal diffusion.
• Mechanical PLATING.
• ZINC rich paints.

ong>Answer:

The WAVELENGTH of a 2 eV photon is given by:

l = h c / Eph = 6.625 x 10-34 x 3 x 108/(1.6 x 10-19 x 2) = 621 nm.

where the photon energy was multiplied with the electronic charge to convert the energy in JOULE rather than electron Volt.

The kinetic energy of an electron is related to its momentum by:

T = p2/2m

from which we FIND the momentum, p:

p = (2mT)1/2 = (2 x 9.1 x 10-31 x 1.6 x 10-19 x 2)1/2 = 7.63 x 10-25 kg m/s.

The de Broglie wavelength of the electron is then obtained from:

l = h/p = 6.625 x 10-34 / 7.63 x 10-25 = 0.87 nm

Explanation:

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Where is the symbol

Explanation:

Where is the SYM

(l) DECREASE in free ENERGY

ong>Explanation:

If it's small and manageable, POUR baking soda or salt on it to smother the fire. As a last resort, SPRAY the fire with a Class B dry chemical fire EXTINGUISHER. Do not TRY to extinguish the fire with water.

ong>ANSWER:

p-Cresol-(methyl-13C)

PubChem CID 16213360

Molecular FORMULA C7H8O

Synonyms p-Cresol-(methyl-13C) 121474-53-1 4-(113C)methylphenol 4-(~13~C)Methylphenol DTXSID50583898 More...

Molecular Weight 109.13 g/mol

Dates Modify 2021-03-20 Create 2007-07-12

Explanation:

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ong>Answer:

i) CuCO3

ii) PB(NO3)2

iii) CuSO4.5H2O

iv)

V)

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क) 1

ख)1

ग)2

घ)4

ड)2

यह इसका उत्तर है

ong>Explanation:

Calculating the HYDRONIUM Ion Concentration from pH [H3O+] = 10-pH or [H3O+] = antilog (- pH) Example: What is the hydronium ion concentration in a SOLUTION that has a pH of 8.34? On a CALCULATOR, calculate 10-8.34, or "inverse" log ( - 8.34).

but where do we have to SELECT

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ong>Answer:

7.20 (B)

EXPLANATION:

the ph of a SOLUTION is 7.20

1. Penten-2-one
2. Penten-3-one

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NH3

Explanation:

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ong>ANSWER:

B

Explanation:

ATM is the answer..

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ong>ANSWER:

B. H3O+ 7.2× 10^-3 is acidic

>

C. OH-

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>

PH + POH =14

10.18+POH=14

POH=14-10.18

POH =3.82

OPTION (C) IS CORRECT.

ong>Answer:

GRAPHITE on the other HAND, although also only made up of carbon atoms, is the only non-metal that can CONDUCT ELECTRICITY. This is because only 3 of the available valence electrons form covalent bonds leaving 1 spare ELECTRON, which then becomes delocalised.

this EQUATION is already balanced

[OH⁻] = 5.8 * 10⁻¹⁰  M

We need to find -

=> pH of this solution.

Procedure Used -

1. Find the pOH USING -log₁₀[OH⁻ ]
2. Subtract the pOH from 14 to get the pH (pH + pOH = 14)

Let's Solve -

=> pOH = -log₁₀[5.8 * 10⁻¹⁰ ]        ( log₁₀[5.8 * 10⁻¹⁰ ] = -9.236 )

=> pOH = -1 * -9.236

=> pOH = 9.236 (approx.)

=> pH + pOH = 14

=> pH + 9.236 = 14

=> pH = 14 - 9.236

=> pH = 4.764

=> pH = 4.76 (rounded off to the nearest HUNDREDTHS)

Answer -

=> Thus, the correct answer is (C) 4.76 .

More to KNOW -

=> This compound has a pH below 7, so it is acidic.

=> It can be considered to be a WEAK acid as it has a pH close to 5.

Ka×Kb =kw is incorrect relationship

ong>ANSWER:

answer is B SODIUM carbonate

ong>ANSWER:

Sandeep Maheshwari

Explanation:

Once established, the celebrity visuals STOCK will PUSH our revenue from current Rs 30 crore to Rs 100 crore in next THREE years," said Sandeep Maheshwari, FOUNDER and chief executive officer, ImagesBazaar.

ong>Answer:

Hydrogen gas combines with NITROGEN to form AMMONIA.

(b) Hydrogen sulphide gas burns in air to give water and SULPHUR dioxide.

(c) Barium chloride reacts with aluminium sulphate to give aluminium chloride and a precipitate of barium sulphate.

(d) POTASSIUM metal reacts with water to give potassium hydroxide and hydrogen gas.

द्रव धातु का नाम पारा ( मरकरी)- HG

ong>Answer:

1. Sodium+ OXYGEN

Explanation:

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t’s CORRECT hkuoioioiioiiooioiiooiioo

Urban area is referred to the CITY area where the modern people live...

mainly it MEANS the city area!!

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BORAHAE!

ong>Answer:

Answer in Answer to your question to answer READERS is the what is the full from a company that is not a not a big business MAN owner and or your business own PERSONAL business experience with your SAI the most business and business oriented business you need for are your a great deal and a GOOD question about it the best most wanted namste paayin eka nua jeebana o byaktiku byaktigata bhabre bharatare ehaa sampurna alaga nagasadhu alaga hoi eka na kari anya

3 is the CORRECT answer

ong>Answer:

The the Total hardness and PERMANENT hardness of a water SAMPLE is FOUND to be 99.01 ppm and 43.50 ppm. The Temporary hardness will be

Answer Your Question

AO 5.51 ppm

BO 55.51 ppm

CO0.551 ppm

DO 50.55 ppm

ong>Answer:

Flavonols are a class of flavonoids that have the 3-hydroxyflavone backbone (IUPAC name : 3-hydroxy-2-phenylchromen-4-one). Their diversity stems from the different positions of the phenolic -OH groups. They are distinct from flavanols (with "a") such as catechin, another class of flavonoids.



Backbone of a flavonol, SUBSTITUENT numbers are indicated.

Flavonols are present in a wide VARIETY of fruits and vegetables. In Western populations, estimated daily intake is in the range of 20–50 mg per day for flavonols. Individual intake varies depending on the type of diet consumed.[1]

The phenomenon of dual fluorescence (due to excited state intramolecular proton transfer or ESIPT) is induced by tautomerism of flavonols (and GLUCOSIDES) and could contribute to plant UV protection and flower colour.[2]

Besides being a SUBCLASS of flavonoids, flavonols are suggested by a study of cranberry juice to play a role along with proanthocyanidins, in the juice's ability to block BACTERIAL adhesion, demonstrated by the compressing the fimbria of E. coli bacteria in the urinary tract so as to greatly reduce the ability of those bacteria to stay put and initiate an infection.[3] Flavonol aglycones in plants are potent antioxidants that serve to protect the plant from reactive oxygen species (ROS).[4]

EXPRESSION is P1 v1=p2v2

ANSWER:

Explanation:

ong>Answer:

HYDROGENATION: Addition of hydrogen to unsaturated hydrocarbons in presence of a catalyst such as nickel or palladium to form SATURATED hydrocarbon is called hydrogenation.

The PROCESS of Hydrogenation is used in industry to convert vegetable oils to vanaspati ghee.

Explanation:

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molecular mass of H2O is

2*1+1*16=18u

Explanation:

if we oil the AXELS of bicycle then due to lubrication the frictional FORCE between the Axel and the tire lessens....so it becomes SMOOTH . and MOVES more easily .

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