Question

Ba( oh 2 +h3po4-baca+hci na oh+h2s cqo + h2so4

Answer 1

3 Ba(OH)2 + 2 H3PO4 = Ba3(PO4)2 + 6 H2O
2 NaOH + H2S = 2 H2O + Na2S
CuO + H2SO4 = CuSO4 + H2O

Answer 2

It seems like you've provided a chemical equation, but it is not balanced, and some parts are unclear. To help you better, I'll assume you meant to write the following chemical equation:

Ba(OH)2 + H3PO4 → Ba3(PO4)2 + H2O

NaOH + H2S → NaHS + H2O

Let's balance these equations step by step:

1. Ba(OH)2 + H3PO4 → Ba3(PO4)2 + H2O

To balance this equation, we need to ensure that the number of each type of atom is the same on both sides of the equation.

The unbalanced atoms are: Ba: 1 on the left, 3 on the right H: 3 on the left, 2 on the right O: 4 on the left, 4 on the right P: 1 on the left, 2 on the right

To balance Ba: Ba(OH)2 + H3PO4 → 3Ba3(PO4)2 + H2O

To balance H: Ba(OH)2 + 2H3PO4 → 3Ba3(PO4)2 + 6H2O

To balance P: Ba(OH)2 + 2H3PO4 → 3Ba3(PO4)2 + 6H2O

Now the equation is balanced.

2. NaOH + H2S → NaHS + H2O

The unbalanced atoms are: Na: 1 on the left, 1 on the right H: 1 on the left, 2 on the right O: 1 on the left, 1 on the right S: 1 on the left, 1 on the right

To balance H: NaOH + H2S → NaHS + 2H2O

Now the equation is balanced.

Please note that the other parts of your input, "baca+hci" and "cqo + h2so4," don't seem to be part of the chemical equations, and I'm not sure what they refer to. If you have more questions or need further assistance, feel free to ask!