An exothermic reaction is one which
- ATakes place only on heating
- BIs accompanied by a flame
- CIs accompanied by an absorption of heat
- DIs accompanied by evolution of heat
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Which of the following are extensive properties?
Medium
View SolutionWhen $2 \ L$ of an ideal gas expands isothermally into a vacuum to a total volume of $6 \ L$,what is the change in internal energy in $J$? (Nearest integer)
Assertion : Absolute values of internal energy of substances cannot be determined.
Reason : It is impossible to determine exact values of constituent energies of the substances.
Reason : It is impossible to determine exact values of constituent energies of the substances.
MediumAIIMS 2002
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