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Allisa [31]
3 years ago
14

What is the formula for the covalent compounds sulfur pentaoxide and hydrogen monobromide?

Chemistry
1 answer:
kow [346]3 years ago
7 0
Sulfur dioxide formula is : SO2
Hyrdrogen monobromide is : HBr
Hope this helped :)
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Arrange the three common unit cells in order from least dense to most dense packing. a. face-centered cubic < body-centered c
maks197457 [2]

Answer:

b. primitive cubic < body-centered cubic < face-centered cubic  

Explanation:

The coordination number is defined as <em>the number of atoms (or ions) surrounding an atom (or ion) in a crystal lattice</em>. Its value gives us a measure of how tightly the spheres are packed together. The larger the coordination number, the closer the spheres are to each other.

  • In the <u>primitive cubic</u>, each sphere is in contact with 6 spheres, so its <u>coordination number is 6</u>.
  • In the <u>body-centered cubic</u>, each sphere is in contact with 8 spheres, so its <u>coordination number is 12</u>.
  • In the <u>face-centered cubic</u>, each sphere is in contact with 12 spheres, so its <u>coordination number is 12</u>.

Therefore, the increasing order in density is the primitive cubic first, then the body-centered cubic, and finally the face-centered cubic.

3 0
3 years ago
What mass of powdered drink mix is needed to make a 0.5 M solution of 100 mL?
Maru [420]

Answer:

There is 17,114825 g of powdered drink mix needed

Explanation:

<u>Step 1 :</u> Calculate moles

As given, the concentration of the drink is 0.5 M, this means 0.5 mol / L

Since the volume is 100mL, we have to convert the concentration,

⇒0.5 / 1   =  x /0.1    ⇒ 0.5* 0.1  = x = 0.05 M

This means there is 0.05 mol per 100mL

e

<u>Step 2 </u>: calculate mass of the powdered drink

here we use the formula n (mole) = m(mass) / M (Molar mass)

⇒ since powdered drink mix is usually made of sucrose (C12H22O11) and has a molar mass of 342.2965 g/mol.

0.05 mol = mass / 342.2965 g/mol

To find the mass, we isolate it ⇒0.05 mol * 342.2965 g/mol = 17,114825g

There is 17,114825 g of powdered drink mix needed

3 0
3 years ago
Read 2 more answers
PLS HELP!!!!
Mashcka [7]

Answer:

the 3rd answer

7 0
2 years ago
Read 2 more answers
The reaction that is carried out by the enzyme catalase produces __________. The reaction that is carried out by the enzyme cata
Mnenie [13.5K]

Answer:

(a) H_{2}O   (b) CO_{2}

Explanation:

The reaction that is carried out by the enzyme catalase produces H_{2} O

The reaction that is carried out by the enzyme catalase produces CO_{2}

6 0
2 years ago
How is nitric acid classified?
Darina [25.2K]
It's classified as an acid
4 0
3 years ago
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