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IMPORTANT
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The standard enthalpy of the formation of is . If the enthalpy of the formation of from its atoms is and that of is , the average bond enthalpy of bond in is:
(a)
(b)
(c)
(d)

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Important Questions on Thermodynamics
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JEE Main
IMPORTANT
On the basis of the following thermochemical data:
The value of the enthalpy of formation of ions at is:

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JEE Main
IMPORTANT

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JEE Main
IMPORTANT

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JEE Main
IMPORTANT

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JEE Main
IMPORTANT

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JEE Main
IMPORTANT
Based on the following thermochemical equation:
The value of will be:

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IMPORTANT
Consider the following reactions occurring in an automobile,
The sign of and respectively would be,

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JEE Main
IMPORTANT
Given that
The enthalpy of formation of will be
