Go through the following question and provide the answer:
1. Identify the correct physical state symbols for the balanced equation:
\(2H_2O → 2H_2 + O_2\)
\(2H_2O → 2H_2 + O_2\)
2. In the equation \(xNa_2SO_4 + yBaCl_2 \rightarrow zBaSO_4 + wNaCl\), identify the correct values for the coefficients: