12 questions
Balance this equation...
Sb2S3 + O2 --> Sb + SO2
It is balanced
Sb2S3 + 3O2 --> 2Sb + 3SO2
Sb2S3 + O2 --> 2Sb + SO2
What is Sb?
Which of the following is an unbalanced equation?
CaCO3 --> CaO + CO3
PbO2 + 2H2-->2Pb + H2O
2Na+ 2H2O-->2NaOH + H2
CS2 + 2O2 --> CO2 + 2SO2
Which of the following correctly balances this equation:
Sodium phosphate and potassium hydroxide will produce sodium hydroxide and potassium phosphate.
1 Na3PO4+3 KOH
--->
3 NaOH + 1 K3PO4
2 Na3PO4+2 KOH
--->
3 NaOH + 1 K3PO4
1 S3PO4+3 SOH
--->
3 SOH + 1 K3PO4
3 Na3P+3 KO2H
--->
3 NaH2O + 1 K3P
Which of the following is correctly balanced for the following reaction:
Barium sulfide and platinum (II) fluoride will react to yield barium fluoride and platinum (II) sulfide
BaS + PtF2 ---> BaF2 + PtS
4 BaS + 2 PtF2 ---> BaF2 + PtS
BaSO3 + 2 PtFl2 ---> 2 BaFl2 + 2 PtSO3
BaS + Pt2F ---> BaF2 + PtS2
What coefficient belongs with hydrochloric acid?
Mg + ___ HCl → MgCl2 + H2
1
2
3
4
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Is this for a grade?
Which coefficients will correctly balance this equation:
_Al +_HCl --> _H2 +_AlCl3
2, 6, 3, 2
it is already balanced
4, 12, 3, 4
2, 1, 4, 5
Choose the coefficients that will correctly balance this equation.
_CH4 + _O2 --> _CO2 + _H2O
1,2,1,1
2,1,2,1
1,2,1,2
0,2,0,2