1.Calculați volumul soluție de permanganat de potasiu necesar oxidării totale a 4,6 g etanol
2...
Chemistry, 07.12.2020 01:00 shanewugden7362
1.Calculați volumul soluție de permanganat de potasiu necesar oxidării totale a 4,6 g etanol
2.Volumul de hidrogen (c. n) ,,exprimat în litri degajat în reacția totală a 6 grame acid acetic cu zincul
3.Numărul de atomi de C al alcoolului monohidroxilic saturat cu 18,1818 %O este
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Answers: 3
Chemistry, 22.06.2019 18:00
How is energy related to the change of state represented by the model? atoms gain energy as a solid changes to a liquid. atoms gain energy as a solid changes to a gas. atoms lose energy as a solid changes to a liquid. atoms lose energy as a solid changes to a gas.
Answers: 3
Chemistry, 22.06.2019 23:30
If it is an isoelectronic series select true, if not select false. o2-, s2-, se2-, te2- na+, k+, rb+, cs+ n3-, p3-, as3-, sb3- ag, cd+, sn3+, sb4+ f-, cl-, br-, i- f-, ne, na+, mg2+ s2-, s, s6+
Answers: 1
Chemistry, 23.06.2019 02:00
The bohr model of the atom explained why emission spectra are discrete. it could also be used to explain the photoelectric effect. which is a correct explanation of the photoelectric effect according to the model?
Answers: 3
History, 30.10.2019 04:31
Mathematics, 30.10.2019 04:31
Mathematics, 30.10.2019 04:31
Mathematics, 30.10.2019 04:31
Mathematics, 30.10.2019 04:31
History, 30.10.2019 04:31
History, 30.10.2019 04:31
Mathematics, 30.10.2019 04:31
History, 30.10.2019 04:31