Chemistry!! Help Please! Reaction between zinc and acetic acid... (check answers)?

twistengirl · #1 (**permalink**) 04-20-2008, 08:35 PM

Reaction between zinc and acetic acid:

1. Balance the equation H2O2 ---> H2O + O2
2H2O2 ---> 2H2O + O2

2. Classify the reaction that occured as hydrogen peroxide was broken down.
decomposition reaction

3. What evidence was there that a reaction was taking place?
I don't know for this one? any answers?

Reaction between magnesium sulfate and ammonia:
4. balance the equation, if necessary, for the reaction between magnesium sulfate and ammonia.
MgSO4 + NH4OH --> (NH4)2So4 + MG(OH)2 balanced is
MgSO4 + 2NH4OH --> (NH4)2SO4 + Mg(OH)2

5. Classify the reaction between magnesium sulfate and ammonia.
Double replacement reaction.

6. what evidence was there to indicate that the epsom salts and ammonia reacted?
Evidence such as the appearance of precipitates were indicators. ( I'm not sure if this is right, and what kind of precipitates?)

Pleease help Best answer gets 10 points! I mostly need help on 3 and 6 but if you checked the others that would be great!

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