А. 3Na+P=Na3P
Б. 3Mg+N2=Mg3N2
B. 2Na+S=Na2S
<span>Г. S+3F2=SF6</span>
C4H8O.
CH3-CH-COH +Ag2O = CH3- CH- COOH+2Ag
| |
CH3 CH3
CH3-CH-COH +H2= CH3-CH-CH2OH
| |
CH3 CH3
Ответ: в-во-2-метилпропаналь.
.....................................................................................................................................................................
...........................................................................................................................................................................
А) понижения давления; Б) повышения температуры.
-------Ответ:m(MgCl2)=9,4 --------
1. Fe(+2)O(-2)
2. Fe(+3)Cl(-1)
3. Fe(+3)O(-2)
4. K2(+)Fe(+6)O4(-2)