1.<span>Al+Fe2O3--->Al2O3+FE</span>
<span>2.<span>Mg+HCl ----> MGCL+ H2</span></span>
<span><span>3.<span>NaOH2+CO2 ------> NaHCO2</span></span></span>
<span><span><span>4.<span>Ca+H2O ------> Ca(OH)2</span></span></span></span>
У тебя 3 составных; x:y:z=w(Pb)/Ar(Pb):w(Cu)/Ar(Cu):w(P)/Ar(P)=0,86/31:0,80/64:0,564/
Ac(актиний)
Ag(серебро)
Au(золото)
Al(алюминий)
As(мышьяк)
At(астат)
Ar(аргон)
Так??
C6H5CH(CH3)2
<span>С6H5-CH(CH3)2 + O2(H2SO4)--->--->C6H5OH + CH3-CO-CH3.
</span>CH3-CO-CH3+H2=CH3-CH(OH)-CH3
CH3-CH(OH)-CH3=CH3-CH=CH2+H2O
C6H5OH+CH2=CH-CH3=C6H5CH(CH3)2
1 NaNO3,N2O5,NH4NO3, N2O
2.NH3, Li3N, Мg3N2,AlN
3.<span>а)N2+O2-->2NO
б)N2+3H2-->2NH3
в)N2+3Mg-->Mg3N2
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