figure(1)
plot(t,res(:,2),"linewidth",1.5)
hold on
plot(t,res(:,3),"linewidth",1.5)
plot(t,res(:,4),"linewidth",1.5)
plot(t,res(:,5),"linewidth",1.5)
xlabel("t, s","fontsize",12)
ylabel("C_A, C_B, C_C, C_D, mol/m^3","fontsize",12)
leyenda=legend("C_A","C_B","C_C","C_D");
set(leyenda,"fontsize",12)


figure(2)
plot(t,res(:,1),"linewidth",1.5)
xlabel("t, s","fontsize",12)
ylabel("V, m^3","fontsize",12)
leyenda2=legend("V");
set(leyenda2,"fontsize",12)