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scoray [572]
3 years ago
6

Compare and contrast ionic and Covalent compounds​

Chemistry
1 answer:
Elden [556K]3 years ago
3 0

Answer:

Ionic bonding occurs between atoms that have opposite needs for electrons (metals and nonmetals) and results in a transfer of electrons. Covalent bonding occurs between atoms that have similar needs for electrons (two nonmetals) and results in a sharing of electrons.

Explanation:

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9) Consider the reaction of C6H6 Br2 C6H5Br HBr a. What is the theoretical yield of C6H5Br if 42.1 g of C6H6 react with 73.0 g o
Lyrx [107]

Answer:

71.7 g of C₆H₅Br are produced at the theoretical yield.

Explanation:

The reaction is:

C₆H₆ + B₂ → C₆H₅Br + HBr

This is an easy excersie, stoichiometry is 1:1

We determine moles of reactants:

42.1 g / 78g/mol = 0.540 moles of benzene

73 g / 159.80 g/mol = 0.457 moles of hydrogen bromide

Certainly, the HBr is the limiting reactant, because I need 0.540 moles of HBr for 0.540 moles of benzene and I only have, 0.457 moles.

0.457 moles of HBr will produce 0.457 of bromobenzene, at the 100 % yield reaction (theoretical yield)

We convert the moles to mass: 0.457 g . 157 g/mol = 71.7 g  

5 0
3 years ago
15.50 g of NH4Cl reacts with an excess of AgNO3. In the reaction 35.50 g AgCl is produced. what is the theoretical yield of AgCl
Shkiper50 [21]

Answer:

41.56 g

Explanation:

Given data:

Mass of NH₄Cl = 15.50 g

Actual yield of AgCl = 35.50 g

Theoretical yield of AgCl = ?

Solution:

Chemical equation:

NH₄Cl  + AgNO₃      →     AgCl   + NH₄NO₃

Number of moles of NH₄Cl:

Number of moles = mass/ molar mass

Number of moles = 15.50 g/ 53.491 g/mol

Number of moles = 0.29 mol

Now we will compare the moles of NH₄Cl with   AgCl .

                     NH₄Cl            :               AgCl

                        1                  :                 1

                     0.29              :                0.29

Theoretical yield of AgCl:

Mass = number of moles × molar mass

Mass = 0.29 mol ×143.32 g/mol

Mass = 41.56 g

4 0
3 years ago
Which phrase is an accurate description of the process of erosion?
Degger [83]

Answer:

moving bits of rock and soil across the earth’s surface by water, wind, or glaciers

Explanation:

Erosion is the active wearing away of the earth's surface by agents of denudation such as running water, wind, ice and waves.

Denudation is the process of lowering and leveling of the earth surface by gradual breaking and wearing away of the earth.

The sequence of denudation progresses from weathering to erosion through transportation and it finally ends with depositions.

Erosion moves rock bits and soils that have been disintegrated and decayed by the process of weathering. During transportation, eroded materials are carried away to new areas where they are deposited.

8 0
3 years ago
Please help y’all I don’t understand
insens350 [35]

Answer:

multiatomic is the answer

8 0
3 years ago
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H, my day has been alright, how’s yours?
7 0
3 years ago
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