Determine if each of the following reactions will occur or not occur. 2 Sn + 2 HCl → SnCl + H2
Cu + Zn(NO3)2 → Zn + Cu(NO3)2
NiS + 2 HCl → NiCl2 + H2S(g)
CO(OH)2 + 2 HC2H302 Co(C2H302)2 + 2 H20
3 NaNO3 + K3PO4 -> Na3PO4 + 3 KNO3
2 AICI3 + 3 Hg(NO3)2 -> 2 Al(NO3)3 + 3 HgCl2

What were the success and failures that came to boyle’s excitements?

I'm learning about the periodic tables and what each subject's configuration is. for example, hydrogen is 1s^1, but i don't understand how you get that. can someone me understand how to figure out how to figure this out? sorry if the question makes no sense, but it would really a lot if you could me understand! you so much if you can!

Scientists have developed an explanation of a phenomenon from several verified hypotheses. the explanation has been confirmed through numerous experimental tests. which option best describes this explanation? a. scientific lawb. research questionc. hypothesisd. scientific theory