chap9.py

Created on May 08, 2023

485 Bytes

formule moléculaire du glucose 
est C6H12O6
propane gaz butane sont 
des gaz de pétrole liquéfié, 
issus du raffinage de pétrole brut 
ou gaz naturel  

La combustion d'un alcane:
complète si elle ne produit que
du dioxyde de carbone et de l'eau

quantité de matièred’une espèce chimique 
n=m/M
n représente le nombre de moles 
m représente la masse en gramme
M représente la masse molaire en g/moles

1,9944 x 10^-26 kg x 6,022 x 10^23 mol^-1
= 12,0107 g/mol

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