Question

b) Balance the equations: i) Pt Oz P205 - ii) K +H20 - - KOH + H2 iii) AL + 02 - Al2O3 iv) Cuo + NH3 Cu + H2O +N2 V) Pb304 - PbO +02​

Answer 1

Answer:

Now, on dividing 2x

3

+3x+1 by x+2 we get the following quantities,

Quotient =2x

2

−4x+11

Remainder =−21

As the remainder is not equal to 0 so, x+2is not a factor of 2x

3

+3x+1.