Balance the following equations

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Dec 5th, 2014

1. SiCl4 + 4H2O --> SiO2 + 4HCl 

2. 2As + 6NaOH --> 2Na3AsO3 + 3H2 

3. Au2S3 + 3H2 --> 2Au + 3H2S

4. V2O5 + 6HCl --> 2VOCl3 + 3H2O 

5. 3Hg(OH)2 + 3H3PO4 --> Hg3(PO4)2 +3 H2O

6. SiO2 + 4HF --> SiF4 + 2H2O 

7. Zn + 2HCl --> ZnCl2 + H2

Dec 5th, 2014

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