Question

balance the equation step by step:
I) NH⁴Cl + Ca(OH)² = CaCl² + NH³ + H²O
ii) K²Cr²O⁷ + H²SO⁴ = K²SO⁴ + Cr²(SO⁴)³ + H²O + O²
iii) Cu(NO³)² (in presence of small change) = CuO + NO² + O²
PLS STEP BY STEP​

Answer 1

Answer:

1)2NH4Cl+Ca(OH)2=CaCl2+2NH3+2H2O

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

3)2Cu(NO3)2=2CuO+4NO2+O2

Explanation:

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