Question

balance the following chemical equations

1) K2 Cr2 O7 + H2 SO4 ==> K2 SO4 + Cr(SO4)3 + H2 O + O2
2) Cu(NO3)2 . 6H2 O ==> CuO + 2NO2 + O2 + 6H2 O

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Answer 1

1. K2Cr2O7 + 4H2SO4 -----> K2SO4 + 2Cr(SO4)3 + 4H2O + 3/2O2

This is balanced equation u can check.

2. 2Cu(NO3)2.6H2O -----> 2CuO + 4NO2 + O2 + 6H2O

This is balanced equation u can check.

Thank you

Answer 2

Answer:

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Explanation:

1) 2K2Cr2O7 + 8H2SO4 → 2K2SO4 + 2Cr2(SO4)3 + 8H2O + 3O2

2) 2Cu(NO3)2·6H2O → 2CuO + 4NO2 + O2 + 12H2O