Question

Расставить коэффициенты методом электронного баланса. KJ+H2SO4=J2+K2SO4+H2S+H2O J-йод.

Answer 1

Balancing the Equation using the Method of Electron Balance

To balance the equation KJ + H2SO4 = J2 + K2SO4 + H2S + H2O, we need to ensure that the number of atoms of each element is the same on both sides of the equation. We can achieve this by following these steps:

1. Start by counting the number of atoms of each element on both sides of the equation.

Left side (reactants): - K: 1 - J: 1 - H: 2 - S: 1 - O: 4

Right side (products): - J: 2 - K: 2 - S: 1 - O: 1 - H: 2

2. Identify the elements that are not balanced. In this case, we have J, K, S, O, and H.

3. Start by balancing the elements that appear in the fewest compounds. In this case, we will start with J.

- To balance the J atoms, we need to have 2 J atoms on the left side. Therefore, we need to multiply KJ by 2.

The equation now becomes: 2KJ + H2SO4 = J2 + K2SO4 + H2S + H2O.

4. Next, let's balance the K atoms.

- To balance the K atoms, we need to have 2 K atoms on the right side. Therefore, we need to multiply K2SO4 by 2.

The equation now becomes: 2KJ + H2SO4 = J2 + 2K2SO4 + H2S + H2O.

5. Now, let's balance the S atoms.

- To balance the S atoms, we need to have 2 S atoms on the left side. Therefore, we need to multiply H2S by 2.

The equation now becomes: 2KJ + H2SO4 = J2 + 2K2SO4 + 2H2S + H2O.

6. Next, let's balance the O atoms.

- To balance the O atoms, we need to have 4 O atoms on the left side. Therefore, we need to multiply H2SO4 by 4.

The equation now becomes: 2KJ + 4H2SO4 = J2 + 2K2SO4 + 2H2S + H2O.

7. Finally, let's balance the H atoms.

- To balance the H atoms, we need to have 8 H atoms on the right side. Therefore, we need to multiply H2O by 4.

The final balanced equation is: 2KJ + 4H2SO4 = J2 + 2K2SO4 + 2H2S + 4H2O.

Please note that the coefficients in front of each compound represent the number of molecules or formula units, not individual atoms.

I hope this helps! Let me know if you have any further questions.