It depends on the volume the liquid is in, the temperature and moisture in the air. It is difficult to tell, but it would be about 5-7 days...
no days just half an hour
There are 1/24th (or .04166666666666666666666666666667 days) in one hour.
49/24 days.
35 8-hour days plus one hour
504 hour in 21 days
7 days
This depends on many factors.
Many liquids evaporate, one example is water
It will evaporate and because of the evaporation the glass will get lighter.
usually it depends if it is in a warm humid area or a normal degree temperature room.
This depends on many factors.
no days just half an hour
This depends on many factors.
That depends how much water, and what is the initial temperature.
This depends on many factors.
This depends on many factors.
This depends on many factors.