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8. CH4(g) + 4Cl2(g) → CCl4(g) + 4HCI(g), AH = -434 kJ Based on the above reaction, what energy change occurs when 1.2 moles o
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Answer #1

Delta H is negative.

So, heat is released.

From given reaction,

When 1 mol of CH4 reacts, heat released = 434 KJ

So,

When 1.2 mol of CH4 reacts, heat released = 434*1.2 = 520.8 KJ

= 5.2*10^5 J

Answer: a

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