Keq= (products)/ (reactants)
Keq= ( [NO]^2 x [Cl2]) / ( [NOCl]^2)
Keq= ( (0.02)^2 x (0.01) ) / (0.5)^2= 1.6 x 10-5
B. Temporary hope this helped :)
B. Carbon changes from one form to another, but the total amount of carbon remains the same.
The correct scientific instrument is telescope.