write and balance the formula equation for the reaction that occurs for?

0 ⤊

A) a piece of zinc is dropped into a solution of silver nitrate.
B)Sulfuric acid solution is reacted with sodium hydroxide solution.

2007-12-13 02:43:22 · 3 answers · asked by poisidan 1 in Science & Mathematics ➔ Chemistry

A) 2AgNO3(aq) + Zn(s) → 2Ag(s) + Zn(NO3)2(aq)
B)H2SO4 (aq) + 2NaOH (aq) = Na2SO4 + 2H2O

2007-12-13 02:49:18 · answer #1 · answered by originalsmartie 4 · 0⤊ 0⤋

The previous equation for A is correct:

Zn (s) + 2 AgNO3(aq) --> Zn(NO3)2(aq) + 2 Ag(s)

For B,
H2SO4(aq) + 2 NaOH(aq) --> 2 H2O(l) + Na2SO4(aq)

2007-12-13 03:00:17 · answer #2 · answered by hcbiochem 7 · 0⤊ 0⤋

a) Zn + 2 AgNO3 = Zn(NO3)2 + 2 Ag
or
Zn(s) + 2 Ag+(aq) + 2 NO3(aq) = Zn2+(aq) + 2 NO3-(aq) + 2 Ag(s)
b) H2SO4 + 2 NaOH = Na2SO4 + 2H2O

2007-12-13 02:55:50 · answer #3 · answered by charisz 2 · 0⤊ 0⤋