1.

According to IUPAC conventions, which one of the following is/are correct?

Answer»

The heat absorbed by a system is TAKEN as positive
If a system is acompained by decrease in energy, `Delta E` is negative
The work DONE by the system is taken as negative
All the above three statements are correct

Solution :`q gt 0` if heat is absorbed
`Delta E lt 0 rArr` decrease in energy
`W_(by) rArr W lt 0`


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