Составь уравнения химических реакций на основе схем этих реакций

а) [ ] \(\mathrm{Al} + \) [ ] \(\mathrm{O\_2} \to\) [ ] \(\mathrm{Al\_2O\_3}\)

б) [ ] \(\mathrm{SO\_2} + \) [ ] \(\mathrm{O\_2} \to\) [ ] \(\mathrm{SO\_3}\)

в) [ ] \(\mathrm{NO\_2} + \) [ ] \(\mathrm{O\_2}\) + [ ] \(\mathrm{H\_2O} \to\) [ ] \(\mathrm{HNO\_3}\)

г) [ ] \(\mathrm{Cu(NO\_3)\_2} \to\) [ ] \(\mathrm{CuO}\) + [ ] \(\mathrm{NO\_2}+\) \(\mathrm{O\_2}\uparrow\)

д) [ ] \(\mathrm{Al(OH)\_3} + \) [ ] \(\mathrm{H\_2SO\_4} \to\) \(\mathrm{Al\_2(SO\_4)\_3} +\) [ ] \(\mathrm{H\_2O} \)

е) [ ] \(\mathrm{H\_3PO\_4} + \) [ ] \(\mathrm{Ca(OH)\_2} \to\) \(\mathrm{Ca\_3(PO\_4)\_2} +\) [ ] \(\mathrm{H\_2O}\)

ж) [ ] \(\mathrm{Fe(OH)\_3} \to \) \(\mathrm{Fe\_2O\_3} +\) [ ] \(\mathrm{H\_2O}\)