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snow_tiger [21]
3 years ago
8

Which bond is least polar N-O S-O H-O C-O

Chemistry
1 answer:
Sphinxa [80]3 years ago
8 0

Answer:

Her Eid per Ruth Jααte Hαin wo Humse,

αb bαtαo Hum Eid Mαnαye yα unko.

ہر عید پر روٹھ جاتے ہیں وہ ہم سے

اب بتاؤ ہم عید منائے یا ان کو

ik ishq ka gam aafat aur us pe ye dil aafat

ya gam na diya hota ya dil na diya hota

bas ek jhijhak hai haal-e-dil sunaane mein,

ki tera bhi jikr aaega mere is phasaane mein.

kya kahoon kis tarah se jita hoon

gam ko khaata hoon aansoo pita hoon

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3 years ago
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How do I write the following elements:
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Omg I’ve been stressing for the past minutes can someone please help me
Alona [7]

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5 0
3 years ago
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Will NaBr, CO2, Ca3(PO4), or KZS raise a liquid's boiling point the most when
Vladimir79 [104]

Answer:

K_2S

Explanation:

According to the boiling point elevation law described by the equation \Delta T_b = iK_bb, the increase in boiling point is directly proportional to the van 't Hoff factor.

The van 't Hoff factor for nonelectrolytes is 1, while for ionic substances, it is equal to the number of moles of ions produced when 1 mole of salt dissolves.

NaBr would produce 2 moles of ions per 1 mole of dissolved substance, sodium and bromide ions.

Ca_3(PO_4)_2 is insoluble in water, so it would barely dissociate and wouldn't practically change the boiling point.

K_2S would dissociate into 3 moles of ions per 1 mole of substance, two potassium cations and one sulfide anion.

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6 0
3 years ago
Calculate the molality of a solution formed by adding 6.30 g NH4CL to 15.7 g of water
babymother [125]

Answer:

Molality = 7.5 mol/kg

Explanation:

Given data:

Mass of NH₄Cl = 6.30 g

Mass of water = 15.7 g (15.7/1000 =0.016 kg)

Molality = ?

Solution:

Formula of molality:

Molality = Moles of solute / mass of solvent in gram

Now we will first calculate the number of moles of solute( NH₄Cl )

Number of moles = mass/ molar mass

Molar mass of  NH₄Cl = 53.491 g/mol

Number of moles = 6.30 g/  53.491 g/mol

Number of moles =  0.12 mol

Now we will calculate the molality.

Molality = Moles of solute / mass of solvent in gram

Molality =  0.12 mol / 0.016 kg

Molality = 7.5 m

or        (m=mol/kg)

Molality = 7.5 mol/kg

6 0
3 years ago
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