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Dimas [21]
3 years ago
8

These substances are all ____. H2O2 Li NaCl O2 Elements Pure Substances Molecules Compounds

Chemistry
2 answers:
Fed [463]3 years ago
6 0

Your answer is Compounds

KiRa [710]3 years ago
6 0

The correct answer is compounds.

They are made of atoms which have different elements.

H2O2 Li Nacl O2 are compound because compounds are also molecules.

Compounds can be distinguished by a way how the atoms they do bind to one another.

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Write the first and second ionization equations for H2SeO3 please.
IRISSAK [1]
As a diprotic acid, the H₂SeO₃ can ionize by step. First step is H₂SeO₃ =(reversible reaction) H⁺ + HSeO₃⁻. And second step is HSeO₃⁻ =(reversible reaction) H⁺ +SeO₃ ²⁻.
3 0
2 years ago
An average human being has about 5.0 L of blood in his or her body. If an average person were to eat 37.7 g of sugar (sucrose, ,
Viktor [21]

Answer: 0.0220275 M

Explanation:

So, we are given the following data or parameters which are going to help in solving this particular Question/problem.

=> Averagely, we have the volume = 5.0 L of blood in human body .

=> Mass of sugar eaten = 37.7 g of sugar (sucrose, 342.30 g/mol).

Therefore, the molarity of the blood sugar change can be calculated as below:

The molarity of the blood sugar change = (1/ volume) × mass/molar mass.

Thus, the molarity of the blood sugar change = (1/5) × 37.7/342.30 = 0.0220275 M.

6 0
2 years ago
In a simple distillation setup, what is the sequence of equipment from the bench top to the round bottom flask
Julli [10]

In a simple distillation setup, the sequence of equipment from the bench top to the round bottom flask is:

  • Thermometer
  • Distillation flask
  • Liebig condenser
  • Round bottom flask
  • Bunsen burner

<h3>What is Distillation?</h3>

This is the process in which a mixture is separated through selective boiling and condensation.

The distillation flask and liebig condenser are usually located above the round bottom flask in the set up.

Read more about Distillation here brainly.com/question/24553469

#SPJ4

3 0
1 year ago
Which one of the following factors would not speed up a chemical reaction?
gladu [14]
D. Making the reactant particles larger
5 0
3 years ago
The elements in yellow are referred to as ___________.
Lemur [1.5K]

Answer:

Metalloids

Explanation:

hope this helps! :)

8 0
2 years ago
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