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ANSWER:

i NEED more POINTS gdvcsd sdccss.

ANSWER:

ADD all answer is 115° HAI

ANSWER:

TRI ethaneamine COBALT. II. SULPHATE

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EXPLANATION:

PbCrO4 + 4NaOH → Na2PbO2 + Na2CrO4 + 2H2O

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ANSWER:

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ANSWER:

BLUE SOLUTIONS

Because carbon has four valence electrons and needs eight to satisfy the OCTET rule, it can bond with up to four additional atoms, creating COUNTLESS COMPOUND possibilities.

Answer:

Molecular MASS of (NH4)2SO4 is 132 g/mol.

Explanation:

N = 14, H = 1, S = 32, O = 16

(NH4)2SO4 -

[(2 x 14) + (8 x 1) + (1 x 32) + (4 x 16)]

= 28 + 8 + 32 + 64

= 132 g/mol

ANSWER:

ETHYLAMINE COBALT. SULPHATE

ANSWER:

B.CH2

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ANSWER:

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ANSWER:

Lead hydroxide (Pb(OH)2) is precipitated out of solution as a white SOLID that is soluble in EXCESS NaOH to give a colourless solution

Answer:

The ORDER of filling the orbits is, 1s,2s,2p,3s, 3P ,4s ,3D ,4p ,5s , 4d ,5p ,6s ,4f, 5d ,6p ,7s.:

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Answer:

✒When glass is MADE, the material (often containing silica) is QUICKLY COOLED from its liquid state but does not solidify when its temperature drops below its melting point. At this STAGE, the material is a SUPERCOOLED liquid, an intermediate state between liquid and glass.

Answer:

Over TIME, excessive alcohol consumption can damage both the brain and liver, CAUSING LASTING damage. Excessive alcohol consumption can have long-lasting effects on neurotransmitters in the brain, DECREASING their effectiveness or EVEN mimicking them. Alcohol also destroys brain cells and contracts brain tissue

EXPLANATION:

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There are 4 Colligative properties they are:-

1) Lowering of VAPOUR pressure

2) elevation in BOILING point

3) depression in freezing point

4) Osmotic pressure

ANSWER:

COME PLS BOY and GIRL syx-bioy-ysj

1. 4.00g / mol is the molar MASS of helium

2. 16.04 g/mol

3. Grahams law:

Rate of diffusion or effusion of a gas at given CONDITIONS inversely proportional to the ROOT of molecular mass & gas.

r1​/r2​=M2​/M1​

​

rCH4​​rHe​​=MHe​MCH4​​​

​=416​

​=2

ANSWER:

thankyou

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Both

Explanation:

When two or more atoms link up, they create a MOLECULE . A molecule of water is made of two atoms of hydrogen (H) and one atom of oxygen (O). The MOLECULAR mass is the sum of the masses of all the atoms in the molecule. A collection of molecules is called a compound.

example are.

diastolic triamtic = nitric and oxide ozone etc.

poly atomic =. PHOSPHORUS or other

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The mole is an amount unit similar to familiar units like pair, dozen, gross, etc. It provides a SPECIFIC measure of the number of atoms or molecules in a bulk sample of MATTER. A mole is DEFINED as the amount of substance containing the same number of DISCRETE entities (atoms, molecules, ions, etc.)

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ANSWER:

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ANSWER:

what?? I can't UNDERSTAND

ANSWER:

I don't UNDERSTAND your QUESTION

ANSWER:

I THINK 1/2 hcvo

Explanation:

1/2 hcvo

Answer:

Nitrogen is a colourless, odourless gas, which CONDENSES at −195.8 °C to a colourless, mobile liquid. The element exists as N2 molecules, REPRESENTED as :N:::N:, for which the bond energy of 226 kilocalories per mole is exceeded only by that of CARBON monoxide, 256 kilocalories per mole. Because of this high bond energy the activation energy for reaction of molecular nitrogen is usually very high, causing nitrogen to be RELATIVELY inert to most reagents under ordinary conditions.

Explanation:

Demographic transition is the transition from high birth and death rates to LOWER birth and death rates as a COUNTRY or region develops from a pre-industrial to an industrialized ECONOMIC system

Demographic changes can affect GDP growth through several channels. First, lower growth in population directly implies reduced labor input. Second, lower population growth has an indirect potentially negative impact on INDIVIDUAL labor supply insofar as it leads to HIGHER tax rates which reduce the incentive to work  

ANSWER:

Calculating bonding and antibonding electrons

Calculating BOND Order Method- 1 (to find bond order quickly, 1/2 bond order) Antibonding Electrons- According to the MOLECULAR orbital theory, Bond order is HALF of the difference between bonding and anti-bonding electrons. FURTHERMORE, the higher the bond order the more stable the molecule will become.

Explanation:

EXPLANATION:

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Answer:

LET the NUMBERS be x,x+1

Their squares are x

2

,(x+1)

2

The DIFFERENCE is 37

⟹(x+1)

2

−x

2

=37

x

2

+2x+1−x

2

=37

2x+1=37

2x=36

x=18

So the numbers are 18,19

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ELEMENT is the FORM of the CHEMISTRY .

1. metals=carbon, copper
2. nonmetals=hydrogen, NEON

ANSWER:

n=3,n=2,n=3 and NUCLEUS (केन्द्रक)

ANSWER:

SORRY I didn't KNOW the answer

Atoms are MADE of EXTREMELY tiny particles CALLED protons, neutrons, and ELECTRONS. Protons and neutrons are in the center of the atom, MAKING up the nucleus. Electrons surround the nucleus. Protons have a positive charge. Electrons have a negative charge.

Answer:

11.20 LITRES is CORRECT answer

Yeah!!!

Na-2 atoms

C-1

0-13

h-20

2+1+13+20=36

Explanation:

aluminium reacts with dilute hydrochloric acid to give aluminium CHLORIDE and hydrogen gas when a PIECE of aluminium metal is added to the delight hydrochloric acid the RESULT is 2 products and AQUEOUS a product and a GASEOUS product

Answer:

TREATMENT with CHLORINE yields bleaching powder

Explanation:

it will contain CALCIUM HYDROXIDE caocl2

Answer:

Answer. LAWS of conservation of mass - It STATES that mass can NEITHER created nor DESTROYED. The total mass before and after a chemical reaction remains constant. Laws of constant proportion - It states that in a chemical substance the elements are ALWAYS present in a fixed proportion by their mass.

Answer:

Properties of Electromagnetic RADIATION:

The oscillating charged particles produce oscillating ELECTRIC and magnetic FIELDS which are PERPENDICULAR to each other and both are perpendicular to the direction of propagation of the wave.

Electromagnetic waves do not require a medium i.e., they can travel in a VACUUM too

FIX* It's 6.022x10²³ particles

Mass of 1 MOL N2 = 28g

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The formula mass of a MOLECULE (also known as formula weight) is the sum of the atomic weights of the ATOMS in the empirical formula of the COMPOUND. Formula weight is given in atomic mass units (amu).

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ANSWER:

Hello MATE

Explanation:

Gold (Au – AURUM) Mercury (Hg – HYDRARGYRUM)

ANSWER:

MgSO₄

Explanation:

EXPLANATION:

gvq-rerf-jbu for VALENTINE PARTY gi.rls co.me.. h.o.t gi.rls no CLOTHS

SAND; COMMON SALT ,COAL, SUGAR

ANSWER:

RAJENDRA SINGH rathour

Answer:

Canal rays are the POSTIVE PROTON rays which are present in a DISCHARGED tube when GOLDSTEIN passes current in it.