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Teo atoms of hydrogen combine to form a ...

Teo atoms of hydrogen combine to form a molecule of hydrogen gas, the energy of the `H_(2)` molecule is :

A

Greater than that of separate atoms

B

Equal to that of separate atoms

C

Lower than that of separate atoms

D

Some times lower and some times higher

Text Solution

Verified by Experts

The correct Answer is:
C
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ALLEN-THERMODYNAMICS -EXERCISE -3
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  6. Calculate the standard heat of formation of carbon disulphide (l). Giv...

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  7. The heat of combustion of CH(4(g)), C((g)) and H(2(g)) at 25^(@)C are ...

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  8. Standard enthalpy of formation is zero for.

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  10. M is a metal that forms an oxide M(2)O,(1)/(2)M(2)O rarr M+(1)/(4)O(2)...

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  12. Heat of combustion of CH(4),C(2)H(6), C(2)H(4) and C(2)H(2) gases are ...

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  14. The enthalpy of formation for C(2)H(4)(g),CO(2)(g) and H(2)O(l) at 25^...

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  15. The heat of combustion of carbon and monoxide are -394 and -285 KJ mol...

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  16. When a certain amount of ethylene was combusted, 6226 kJ heat was evol...

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  17. Find out the heat evolved in combustion if 112 litre (at 1 atm, 273 K)...

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