How Much Heat Is Liberated at Constant Pressure When 97

question 59

Multiple Choice

How much heat is liberated at constant pressure when 97.7 g of calcium oxide reacts with 29.0 L of carbon dioxide gas,measured at 1.00 atm pressure and 25.0°C? (R = 0.0821 L • atm/(K • mol) )
CaO(s) + CO₂(g) → CaCO₃(s) ; ΔH° = -178.3 kJ

• A)-3.11 × 10² kJ
• B)-1.74 × 10⁴ kJ
• C)-5.22 × 10² kJ
• D)-2.11 × 10² kJ
• E)-5.17 × 10³ kJ

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Definitions:

Brain Activation

A process involving increased blood flow and neural activity in specific areas of the brain in response to various tasks or stimuli.

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