Chemistry lecture - 1/20- balancing equations3 days ago1 min readhttps://us02web.zoom.us/rec/share/4UkWrCtfNQaVJxa0OlffgLSD7VD-Homqm6THnxtDQGCALt02U6C-GU1dApFyfWcr.6euoKaEhmZtduTx2?startTime=1768928562000Passcode: 4S0#2=bw