Chimie 11 Stse Pdf Updated [verified] 💯 Certified

| Feature | Old Version (Pre-2018) | Updated (2021–2024) | | :--- | :--- | :--- | | WHMIS symbols | Orange circle with hazard | Red diamond with GHS pictograms | | CO2 concentration | 390 ppm | 420+ ppm | | Ozone layer status | "Still damaged" | "Healing (Montreal Protocol success)" | | Plastic pollution | Ocean gyres | Microplastics in tap water & snow | | pH calculations | Only strong acids/bases | Includes weak acids (pKa, carbonic acid) | | QR codes / hyperlinks | None | Active links to videos and simulations |

: Lois des gaz (Boyle, Charles, loi des gaz parfaits) et leur application à la qualité de l'air. chimie 11 stse pdf updated

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