How Much Heat Is Liberated at Constant Pressure When 2 $\to$

question 63

Multiple Choice

How much heat is liberated at constant pressure when 2.35 g of potassium metal reacts with 5.68 mL of liquid iodine monochloride (d = 3.24 g/mL) ? 2K(s) + ICl(l) $\to$ KCl(s) + KI(s)
$\Delta$ H° = -740.71 kJ/mol

• A)2.22 \(\times\) 10³ kJ
• B)8.40 \(\times\) 10¹ kJ
• C)1.28 \(\times\) 10² kJ
• D)2.23 \(\times\) 10¹ kJ
• E)7.41 \(\times\) 10² kJ

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