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Slav-nsk [51]
3 years ago
13

Draw structure of oxygen, nitrogen &methane.​

Chemistry
2 answers:
Murrr4er [49]3 years ago
7 0

Answer:

\huge \purple {\mathfrak{Answer:}}

Elina [12.6K]3 years ago
4 0

See the image below-⬇⬇-

Hope this helps :D

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How many H atoms in 12H2O?
Ilya [14]

Answer:

24 atoms of H  or 1.4 x 10²⁵ hydrogen atoms

Explanation:

simple method

1 H₂O has  atoms of hydrogen and 1 atom of oxygen

while 12H₂O will have 24 atoms of hydrogen and 12 atom of oxygen

by Avagadros number

molar mass of water H₂0=18.01528 g/mol

1 mole of H₂0 have 2 moles of Hydrogen  

one mole of water= 6.02⋅10²³water molecules =1.2 x 10²⁴hydrogen atoms

12 mole of H₂O   =    1.2 x 10²⁴ x 12=  1.4 x 10²⁵ hydrogen atoms  

<u />

1.4 x 10²⁵ hydrogen atoms   in 12 moles of H₂O

<u />

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3 years ago
Which unit represents 100 meters?
adell [148]

Answer:

Hectometer.

Explanation:

  • <u><em>Hecto- means 100; a hectometer is 100 meters.</em></u>
6 0
3 years ago
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which of these solutions has the lowest freezing point? 0.25 m nacl 0.5 m nacl 1.0 m nacl 1.5 m nacl 2.0 m nacl
Alinara [238K]
The more particles (ions or molecules) that you can put into solution, the lower the freezing point. 

the answer is E. 2.0 M nacl
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3 years ago
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A chemical change in which a single compound is broken down into two or more simpler products.
andreyandreev [35.5K]

Answer:

Decomposition or cracking

Explanation:

Decomposition reaction is a chemical change in which a single compound is broken down into two or more simpler products.

  For example;

                   A     →    B   +  C

 The driving force of such reaction is the high positive heat of formation of the compound which indicates that they are highly unstable.

Some stable compounds also decompose when subjected to high temperature and pressure.

5 0
3 years ago
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What is the shape of orbits?
Fofino [41]

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if you meant the Earth's revolving orbit. It is an elliptical orbit.

will you mark me the BRAINLIEST please

5 0
2 years ago
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