We classify each of the reaction as follows:
<span>A. Pb(s) + Hg2SO4 (s) ---> PbSO4(s) +2 Hg(I)
Single replacement reaction
B. NaCI(aq) + AgNO3(aq) --->AgCI(s) +NaNO3(aq)
Double replacement reaction
C. 2H20(I)--->2H2(g) + 02(g)
Decomposition reaction
Hope this answers the question. Have a nice day.</span>
Explanation:
The structure of Ferrarrisite Ca5(HAs O4)2(AsO4)2
Answer : BaS
will be the precipitate which will be formed.
Explanation : When all the three solutions namely; 
are mixed together a white precipitate of BaS
is formed as a product in the solution along with the soluble by product of Ammonium nitrate which is 
Answer:
The mole ratio of the cation and the anion in a precipitate is a simple fraction. ( im sorry if this dosent help a lot.)
Explanation:
Answer:
protactinium-234,
Explanation:
This is what happens when thorium-234 releases a W- boson, which then decays to an electron and an electron antineutrino.
