রসায়ন প্রশ্ন

16.

শূণ্যস্থান পূরণ করোঃ(i)00X+714N=817O+11H {}{\phantom{0}}^{\phantom{0}}X + {}{7}^{14}\text{N} = {}{8}^{17}\text{O} + {}{1}^{1}\text{H} (ii) N2 (g)+2H2 (g)⟶‾200 atm pressure2NH3+‾ KJ mol−1 (at 450∘−550∘ C, with Fe catalyst) \mathrm{N}{2} , (\text{g}) + 2 \mathrm{H}{2} , (\text{g}) \underset{200 , \mathrm{atm , pressure}}{\stackrel{\underline{\hspace{3cm}}}{\longrightarrow}} 2 \mathrm{NH}{3} + \underline{\hspace{0.8cm}} , \mathrm{KJ , mol^{-1}} , (\text{at} , 450^\circ - 550^\circ , \mathrm{C}, , \text{with Fe catalyst}) (iii) Sn+++++2e−→‾ \mathrm{Sn}^{++++} + 2 \mathrm{e}^{-} \rightarrow \underline{\hspace{0.5cm}} (iv) 32 gms of O2 \mathrm{O}{2} contain ‾ \underline{\hspace{2cm}} molecules of oxygen.(v) Equivalent w w t-g acid =‾‾ = \frac{\underline{}}{\underline{\hspace{6cm}}}