Ca(OH)2+H2SO4>CaSO4+2H2O
Ca2+ + 2OH- + 2H+ + SO42-
= CaSO4 + 2H2<span>O
</span><span>
</span>
6CO2+H2O------->C6H12O6+6O2
<span><span><span>
</span></span></span> (C6H10O5)n + (n-1)H2O ---> nC6H12O6 (глюкоза) <span />
C6H12O6 ---> 2CO2 + 2C2H5OH (этанол) <span />
<span>C2H5OH+HBr----->C2H5Br+H2O(бромэтан)</span><span />
4CH3NH2+9O2=t горение=> 4CO2+2N2+10H2O