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Gwar [14]
2 years ago
11

How to calculate precision chemistry.

Chemistry
1 answer:
chubhunter [2.5K]2 years ago
7 0

Answer:

Subtract The <u>mean</u> from each Numbers Given

Hope it helpz!

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A noble gas atom in the liquid phase is on average surrounded by 10 other atoms. Each pair of atoms contribute g
Lady bird [3.3K]

Answer: noble gases are in reactive.

Explanation: noble gases are present in the right most corner of the periodic table in the 8th group. So their outermost shells are complete. Their boiling point, mass increases down the group. the have strong forces of interaction. their ionization energy decreases down the group

7 0
3 years ago
The process of melting is what type of process? Choose the correct process and explanation.
fredd [130]

Answer:

I think it’s b

Explanation:

6 0
3 years ago
A molecule contains four bonded pairs of electrons and zero lone pairs. What is the name of the molecular geometry?
vagabundo [1.1K]

Answer: Option (d) is the correct answer.

Explanation:

A tetarhedral geometry is the geometry which includes four atoms bonded to the central atom and it does not contain any lone pair of electron.

For example,  CH_{4} has tetrahedral geometry.

Thus, we can conclude that a molecule which contains four bonded pairs of electrons and zero lone pairs. The name of the molecular geometry is tetrahedral.

4 0
2 years ago
What is the mass of 3.0 x x times 10^23 atoms of neon?
Sladkaya [172]

Answer:

10.09 grams

Explanation:

First you need to know the number of moles you are dealing with.

If you know that each mole has 6.022x10²³ of something (in this case of atoms), you can divide 3x10²³ atoms of neons by 6.022x10²³ to obtain the number of moles.

You have 0.5 moles of Neon, so then by the periodic table, you see that the molar mass of neon is 20.18g/mol, so by each mole you have 20.18 grams of neon. Multiply 20.18 grams by 0.5 moles and you got 10.09 grams of Neon

7 0
2 years ago
1. A dry, empty bottle is placed in an ice bath. After the air inside the bottle is cooled off, a balloon is placed
Alex777 [14]

Answer:

hot air rises and expanded the balloon

Explanation:

thats it.

8 0
2 years ago
Read 2 more answers
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