Answer:
Chemical Symbols
Explanation:
Im not positive on this one so dont rely on me lol
Answer:- 
Explanations:- It's a double replacement reaction where a precipitate of silver(I)bromide is formed. A dpuble replacement reaction in general looks as AB + CD \rightarrow AD + CB
To balance the equation we need to multiply gold compounds on both sides by 2 and the balanced equation is..

This temperature in units of degree Celsius is..
-78° Celsius