
:H4/chemistry/reaction1.fr
exo=equilibrer&qnum=2&qcmlevel=3&scoredelay=&intro_qcmpresent=4&intro_presentsol=1&intro_check=1&intro_check=2&intro_check=3&intro_check=4&intro_expert=yes
10
1
quilibrer des ractions

:H4/chemistry/reaction1.fr
exo=completer&qnum=2&qcmlevel=3&scoredelay=&intro_qcmpresent=4&intro_presentsol=1&intro_check=1&intro_check=2&intro_check=3&intro_check=4&intro_expert=yes
10
1
Complter des quations


