Answer:
BRO WHAT THEY ANSWER TO UR BUT NOT MINE OK
Explanation: I THINK THE ASNSWER IS C BUT NOT SURE.... HOPE IT HELPS
The complete chemical reaction of aqueous Sodium sulfate and aqueous Barium nitrate is

The right side and the left side of the reaction have equal number of elements, therefore it is balanced.
Metals are elements that are generally shiny when smooth and clean
The thermal energy needed to completely melt 9.60 mole of ice at 0.0 C is 57.8 Kj
Explanation
ice melt to form water
The molar heat of fusion for water is 6.02 Kj/mol
Thermal energy = moles x molar heat of fussion for water
=9.6 mol x6.02 kj/mol =57.8 Kj