Respuesta :

Answer:

858 kJ

Explanation:

The amount of heat energy generated by the reaction of 6 moles of H₂ is 858 KJ

The balanced equation for the reaction is given below:

2H₂ + O₂ —> 2H₂O   ΔH = +286 KJ

From the balanced equation above,

2 moles of H₂ reacted to generate 286 KJ of heat.

With the above information, we can obtain the amount of heat generated by the reaction of 6 moles of H₂. This can be obtained as follow:

From the balanced equation above,

2 moles of H₂ reacted to generate 286 KJ of heat.

Therefore,

6 moles of H₂ will react to generate = [tex]\frac{6 * 286}{2} \\\\[/tex] = 858 KJ of heat.

Thus, 858 KJ of heat energy were generated from the reaction

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