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Goshia [24]
3 years ago
6

The following equation describes how sodium and chlorine react to produce sodium chlorine

Chemistry
1 answer:
mariarad [96]3 years ago
5 0
The equation is 2Na + Cl₂ ⇒ 2NaCl. <span>Two sodium atoms react with a chlorine molecule (Consisting of two chlorine atoms) that produces two molecules of sodium chloride (common table salt).</span>
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balandron [24]
FIRST ONE IS SPRING ****
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7 0
4 years ago
Calculate the pressure exerted by an book of mass 20kg occupying an area of 2 m square.​
kotykmax [81]

The answer is 100 Pa.

The formula for calculating pressure is :

<u>Pressure = Force ÷ Area</u>

<u />

We are given that :

  • mass = 20 kg
  • area = 2 m²

We also know that :

<u>Force = mass ×g</u>

<u />

So, force will be :

  • F = 20 × 10
  • F = 200 N

Now, we can finally calculate pressure :

  • P = 200 ÷ 2
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8 0
2 years ago
Calculate the maximum mass of potassium sulfate, K2SO4, that could be formed when 4.9 g of sulfuric acid reacts with excess pota
DerKrebs [107]

Answer:

From 4.9 g of sulfuric acid 8.175 g of potassium sulfate is formed.

Explanation:

Given data:

Mass of H₂SO₄ = 4.9 g

Mass of K₂SO₄ formed = ?

Solution:

Chemical reaction:

H₂SO₄ + 2KOH    →    K₂SO₄ + 2H₂O

Number of moles of H₂SO₄:

Number of moles = mass/ molar mass

Number of moles = 4.9 g/ 98.1 g/mol

Number of moles = 0.05 mol

Now we will compare the moles of  H₂SO₄ with  K₂SO₄ .

                       H₂SO₄         :             K₂SO₄

                            1             :                  1

                       0.05           :             0.05

Mass of K₂SO₄:

Mass = number of moles × molar mass

Mass = 0.05 mol × 174.3 g/mol

Mass = 8.715 g

Thus, from 4.9 g of sulfuric acid 8.175 g of potassium sulfate is formed.

8 0
3 years ago
What type(s) of bonding would be expected for each of the following materials: brass (a copper-zinc alloy), rubber, barium sulfi
mr_godi [17]

The force of attraction that results in holding of atoms or ions together in a molecule or crystal is said be bonding.  Bond formation can take place by either attraction or transfer of electrons. There are single, double, and triple bonds.  There are many types of bonding namely:

Covalent (sharing of electrons takes place).

Ionic (transfer of electrons takes place).

Metallic (ionized atoms of metals and the sea of electrons around them).

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Brass is an alloy of metal that is copper and zinc. Hence, the metallic bonding is present in the brass.

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Only xenon atoms are present in solid xenon which are interacted by weak Van der Waal's interactions.

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Bronze is an alloy of metal that is copper and tin. Hence, the metallic bonding is present in the brass.

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It is a polymer whose monomer unit is caprolactam, which is a covalent compound. The caprolactam units are attached in repeated units to form nylon by covalent bonding.

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Aluminum phosphide is a covalent compound and thus involves covalent bonding.

7 0
4 years ago
What is biodiversity? <br> Answers for the question is in the picture! NO LINKS OR FILES!
vivado [14]

Answer: a

Explanation:

6 0
3 years ago
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