Kimia 12 Ushtrime Te Zgjidhura Mediaprint 💯 No Sign-up

| | | | Initial (M): ([N_2] 0 = \frac0,20; \textmol1,00; \textL = 0,20; \textM) ([H_2] 0 = \frac0,601,00=0,60; \textM) ([NH_3] 0 = 0) | | | | PĂ«r shkallĂ«n (x) (mol L⁻Âč) e NH₃ e prodhohet: (\Delta[N_2] = -\fracx2), (\Delta[H_2] = -\frac3x2), (\Delta[NH_3] = +x). | | | 3. Ekuilibri | ([N_2] eq=0,20-\fracx2) ([H_2] eq=0,60-\frac3x2) ([NH_3] eq=x) | | | 4. Vendosim nĂ« ekuacionin e (K_c) | (\displaystyle K_c = \frac[NH_3]^2[N_2][H_2]^3=0.005) | (\displaystyle 0.005 = \fracx^2(0,20-\fracx2)(0,60-\frac3x2)^3) | | 5. Zgjidhim pĂ«r x | NĂ«se supozojmĂ« (x) i vogĂ«l (pasi (K_c) Ă«shtĂ« shumĂ« i vogĂ«l) → termat (\fracx2) dhe (\frac3x2) mund tĂ« injorohen nĂ« pjesĂ«n e pĂ«rmendur. KĂ«shtu: (\displaystyle 0.005 \approx \fracx^2(0,20)(0,60)^3). | (\displaystyle x^2=0.005,(0,20)(0,60)^3=0,005\cdot0,20\cdot0,216=2,16\times10^-4) (\displaystyle x=\sqrt2,16\times10^-4=1,47\times10^-2; \textM) | | 6. Koncentrimi i NH₃ nĂ« ekuilibĂ«r | ([NH_3] eq=x=0,0147; \textM) | | | 7. PĂ«rqindja masore | Masa e NH₃ nĂ« 1 L: (\displaystyle m = [NH_3]\cdot M NH_3=0,0147; \textmol·L^-1\times17,03; \textg·mol^-1=0,250; \textg) Masa totale e pĂ«rzierjes (≈ masa e gazrave nĂ« gjendje ideale): (\approx 0,20\cdot28,02 + 0,60\cdot2,016 = 5,60; \textg) PĂ«rqindja masore: (\displaystyle \frac0,2505,60\times100% \approx 4,5%). | |

[ \mathrmN_2(g) + 3,H_2(g) \rightleftharpoons 2,NH_3(g) ] kimia 12 ushtrime te zgjidhura mediaprint

| Hapi | ÇfarĂ« bĂ«jmĂ« | Llogaritja | |------|--------------|------------| | (Initial, Change, Equilibrium) | | | | | Initial (M): ([N_2] 0