Reprezentati succesiunea de reacții prin care se pot realiza transformările 1. de la metan la acid oxalic

2. de la metan la vinilacetilenă

3. de la metan la acetaldehidă
Reprezentati succesiunea de reacții prin care se pot realiza transformările

Iam in desperate need of with this !

Tin has ten stable isotopes. the heaviest, 124sn, makes up 5.80% of naturally occuring tin atoms. how many atoms of 124sn are present in 82.0 g of naturally occurring tin? what is the total mass of the 124sn atoms in this sample?

In which environment would primary succession occur? a forest with a few remaining trees after a recent wildfire an area of exposed rock after a glacier melts away beach that is exposed to the air at low tide an abandoned baseball field in a small town