3 years ago

The following is a carbohydrates,lipid,protein or nucleic acid:Wax

Chemistry

1 answer:

Rasek [7]3 years ago

3 0

A wax is a type of lipid. Waxes are nonpolar, so they are not soluble in water.

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A product of homolytic fission can never be

algol13

Answer:

both

Explanation:

A homolytic fission is said to have occurred when the breakage of a bond between two atoms leaves each of the bonding atoms with equal number of electrons. Homolytic fission often results in the creation of radicals.

Since homolytic fission yields two species with equal number of electrons(usually odd number of electrons), the products of such process can not be charged. They can not be nucleophiles because nucleophiles need to possess two electrons which can be shared with another chemical specie.

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7.62 x 10^23 molecules of CO2 are contained in a tire. How large is the tire (in liters)?

konstantin123 [22]

Answer: 7.62e+23

Explanation:

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A highly concentrated solution from which dilutions are typically made for laboratory used is called a what?

Komok [63]

A stock solution is the most concentrated

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3 years ago

1. Magnesium chloride solution reacts with silver nitrate solution to form magnesium nitrate

Whitepunk [10]

a. 1,4332 g

b. 7.54~g

<h3>Further explanation</h3>

Given

Reaction

MgCl2 (s) + 2 AgNO3 (aq) → Mg(NO3)2 (aq) + 2 AgCl (s)

20 cm of 2.5 mol/dm^3 of MgCl2

20 cm of 2.5 g/dm^3 of MgCl2

Required

the mass of silver chloride - AgCl

Solution

a. mol MgCl2 :

$\tt 20~cm^3=20\times 10^{-3}~dm^3\\\\mol=M\times V\\\\mol=2.5~mol/dm^3\times 20\times 10^{-3}DM^3=0.05$

From equation, mol AgCl = 2 x mol MgCl2=2 x 0.05=0.1

mass AgCl(MW=143,32 g/mol)= 0.1 x 143,32=1,4332 g

b. mol MgCl2 (MW=95.211 /mol):

$\tt mol=M\times V\\\\mol=\dfrac{2.5~g/dm^3}{95,211 g/mol}=0.0263~mol/dm^3$

From equation, mol AgCl = 2 x mol MgCl2=2 x 0.0263=0.0526

mass AgCl(MW=143,32 g/mol)= 0.0526 x 143,32=7.54~g

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3 years ago

Which mass of magnesium sulphate will be formed if 12 g of magnesium are reacted with sulphuric acid?

Alinara [238K]

Answer:

magnesium hydrosulphate

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