Equation 1 is unbalanced.
You have destroyed 2 atoms of Br.
You have created 1 atom of He.

Equation 2 is balanced.
Equation 3 is balanced.
Equation 4 is balanced.
Equation 5 is unbalanced.
You have created 23 atoms of C.
You have created 15 atoms of Cl.
You have created 6 atoms of H.
You have created 69 atoms of N.
You have created 15 atoms of Na.
You have created 3 atoms of O.
You have destroyed 2 atoms of Pb.
You have created 1 atom of Zn.

Equation 6 is unbalanced.
You have created 5 atoms of As.
You have destroyed 1 atom of Br.
You have created 2 atoms of H.

Equation 7 is balanced.
Equation 8 is unbalanced.
You have destroyed 4 atoms of A.
You have destroyed 1 atom of Aa.
You have destroyed 1 atom of Ab.
You have destroyed 1 atom of Ac.
You have destroyed 2 atoms of Ag.
You have destroyed 12 atoms of Au.
You have destroyed 4 atoms of B.
You have destroyed 1 atom of Ba.
You have destroyed 1 atom of Bb.
You have destroyed 1 atom of Bc.
You have destroyed 1 atom of Bd.
You have destroyed 2 atoms of Be.
You have destroyed 4 atoms of C.
You have destroyed 1 atom of Ca.
You have destroyed 1 atom of Cb.
You have destroyed 1 atom of Cc.
You have destroyed 1 atom of Cd.
You have destroyed 1 atom of Ce.
You have destroyed 1 atom of Cl.
You have destroyed 4 atoms of D.
You have destroyed 4 atoms of E.
You have created 2 atoms of F.
You have destroyed 4 atoms of G.
You have created 2 atoms of H.
You have destroyed 2 atoms of He.
You have destroyed 4 atoms of I.
You have destroyed 3 atoms of J.
You have destroyed 3 atoms of K.
You have destroyed 3 atoms of L.
You have destroyed 2 atoms of Li.
You have destroyed 3 atoms of M.
You have destroyed 3 atoms of N.
You have destroyed 1 atom of Na.
You have destroyed 3 atoms of O.
You have destroyed 3 atoms of P.
You have created 1 atom of Pb.
You have destroyed 3 atoms of Q.
You have destroyed 3 atoms of R.
You have destroyed 3 atoms of S.
You have destroyed 3 atoms of T.
You have destroyed 3 atoms of U.
You have destroyed 3 atoms of V.
You have destroyed 3 atoms of W.
You have destroyed 3 atoms of X.
You have destroyed 3 atoms of Y.
You have destroyed 3 atoms of Z.

Equation 9 is unbalanced.
You have created 5 atoms of C.
You have destroyed 5 atoms of O.
You have destroyed 5 atoms of S.

Equation 10 is balanced.
Equation 11 is balanced.