moongazer
  • moongazer
What are the products ? MgO+H2O --> KClO3 + O2 --> CuSO4 + Fe --> Ba(NO3)2 + K2CrO4 --> Zn + Pb(NO3)2 --> Cu + Pb(NO3)2 -->
Chemistry
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
moongazer
  • moongazer
are these reactions correcT?
moongazer
  • moongazer
I got it from our experiment.
lgbasallote
  • lgbasallote
metal oxide + water always results to hydroxide. Since MgO is a metal oxide, MgO + H20 -> MG(OH)2 does that make sense?

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lgbasallote
  • lgbasallote
that's supposed to be Mg(OH)2
moongazer
  • moongazer
how did you do that?
lgbasallote
  • lgbasallote
which one?
moongazer
  • moongazer
wait, I think I got it. you said: metal oxide + water always results to hydroxide so you placed (OH)2 after Mg is it always metal oxide + (OH)2? I mean you will "always" just stick (OH)2 after the metal oxide if the reaction is metal oxide + water?
lgbasallote
  • lgbasallote
not always stick (OH)2 it has 2 because the charge of Mg is 2+. So by the "criss-cross" method you get (OH)2 make sense?
lgbasallote
  • lgbasallote
you just stick OH after the metal oxide then apply the necessary subscripts
lgbasallote
  • lgbasallote
okay...i need to go for a while
moongazer
  • moongazer
ok, thanks for the help :)
moongazer
  • moongazer
could you do another one from my question? I'll just try to answer the others :)
anonymous
  • anonymous
let me send you some the element and you will choose the correct one cause i don't know chemistry
UnkleRhaukus
  • UnkleRhaukus
\[\text{Cu}\text{SO}_4 + \text{Fe} \rightarrow \text{Fe}\text{SO}_4+\text{Cu}\]
lgbasallote
  • lgbasallote
okay. im back
anonymous
  • anonymous
2Fe+3Cl2=2FeCl3 2Fe + 3Cl2 = 2FeCl3 2Fe+3Cl2=2FeCl3 2Fe + 3Cl2 = 2FeCl3 2Fe + 3Cl2 = 2FeCl3 2Fe + 3Cl2 = 2FeCl3 2Fe + 3Cl2 = 2FeCl3 2Fe + 3Cl2 = 2FeCl3 2Fe + 3Cl2 = 2FeCl3 2Fe + 3Cl2 = 2FeCl3 2KO2 + 2H2O = 4KOH + 3O2 4KO2 + 2H2O = 4KOH + 3O2 2KO2 + 2H2O = 4KOH + 3O2 4KO2 + 2H2O = 4KOH + 3O2 2Mg + O2 = 4MgO 2Mg + O2 = 2MgO 2NaCl + H2SO4 = Na2SO4 + 2HCl 2NaCl + H2SO4 = Na2SO4 + 2HCl 2Al + 6NaOH = 2Na3AlO3 +3H2 2Al + 6NaOH = 2Na3AlO3 + 3H2 2KMnO4 + FeSO4 + H2SO4 = 2MnS04 + K2SO4 + Fe2(SO4)3 + H2O 2KMnO4 + 62FeSO4 + 40H2SO4 = 2MnS04 + K2SO4 + 31Fe2(SO4)3 + 40H2O
lgbasallote
  • lgbasallote
lol wow
UnkleRhaukus
  • UnkleRhaukus
what is all that @abayomi12?
lgbasallote
  • lgbasallote
Cu + Pb(NO3)2 does not react. However *if* it does then it will just be a single displacement reaction Cu + Pb(NO3)2 --> Cu (NO3)2 + Pb
anonymous
  • anonymous
i told you i don't know much about chemistry just trying to put that maybe he can choose the correct one i have alot here i can send them if you want
lgbasallote
  • lgbasallote
as for Zn + Pb(NO3)2 <--this is just single displacement reaction
lgbasallote
  • lgbasallote
Ba(NO3)2 + K2CrO4 <--this is double displacement reaction
moongazer
  • moongazer
@lgbasallote I think I already know how to get it. I'll try to answer all of it. please check my answers :)
lgbasallote
  • lgbasallote
sure
lgbasallote
  • lgbasallote
tag me when you have the list
moongazer
  • moongazer
ok :)
moongazer
  • moongazer
I think "KClO3 + O2" should be KClO3 + MnO2 because it is stated that "place a mixture of KClO3 and MnO2 in a test tube." then I heated it
lgbasallote
  • lgbasallote
probably...i dont know much about your chemistry experiment lol
moongazer
  • moongazer
MgO+H2O --> Mg(OH)2 KClO3 + MnO2 --> CuSO4 + Fe --> Cu + FeSO4 Ba(NO3)2 + K2CrO4 --> BaCrO4 + K2(NO3)2 Zn + Pb(NO3)2 --> Zn(NO3)2 + Pb Cu + Pb(NO3)2 --> Cu(NO3)2 + Pb
moongazer
  • moongazer
@lgbasallote
lgbasallote
  • lgbasallote
yes. sounds right to me
lgbasallote
  • lgbasallote
btw...i forgot to mention...dont forget to balance your equations
moongazer
  • moongazer
ok thanks :)
lgbasallote
  • lgbasallote
welcome

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