Study of two methane transformations.
To answer, click on the
?
until the correct answer is displayed.
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🇫🇷 French Version
Transformation 1:
Model of complete methane combustion
Transformation 2:
Model of methane liquefaction
Find the name and chemical formula of the molecules present in transformation 1.
Transformation 1:
Molecule 1:
Name:
?
Formula:
?
Molecule 2:
Name:
?
Formula:
?
Molecule 3:
Name:
?
Formula:
?
Molecule 4:
Name:
?
Formula:
?
Transformation 1:
Find a caption for the two states of transformation 1.
Initial state:
?
Final state:
?
Find a title for transformation 1:
?
Transformation 2:
Find a caption for the two states of transformation 2.
Initial state:
?
Final state:
?
Find a title for transformation 2:
?
Which transformation is
physical?
It is transformation
?
because the nature of the molecules
?
Which transformation is
chemical?
It is transformation
?
because the nature of the molecules
?
Carbon dioxide molecule
Methane molecule
Dioxygen molecule
Water molecule
CO
2
CH
4
O
2
H
2
O
Mixture of gaseous methane and dioxygen
Mixture of gaseous carbon dioxide and water
Gaseous methane
Liquid methane
Methane combustion
Methane liquefaction
2
1
does not change.
changes.
Dinitrogen molecule
Dihydrogen molecule
Butane molecule
N
2
H
2
C
4
H
10
Solid methane
Mixture of gaseous methane and carbon dioxide
Mixture of gaseous carbon dioxide and dioxygen
Methane vaporisation
Butane solidification
Butane melting
Butane combustion
Methane melting
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