It depends entirely on what the initial temperature and volume of the water is and how much heat is applied.
30 minutes
Well actually the US doesn't take up minutes but there are 1440 minutes in a day.
Depending on quantity, temperature, and humidity, from about 120 minutes to possibly several days.
77 minutes
Bout 10 mins!
If using a mercury thermometer - about a minute. A digital thermometer - a few seconds.
a few minutes depending on the temperature.
It depends entirely on what the initial temperature and volume of the water is and how much heat is applied.
Many times, it will take close to 60 to 90 minutes for the water the freeze. The amount will vary depending upon the temperature.
At least five minutes (same as if you were to eat or drink something then take an oral temperature reading).
one minute with a digital
5-10 minutes
30 minutes at 350 degrees
It depends on the temperature and how much thermal protection you have. Exposed skin in very low temperatures can acquire frostbite in minutes.
30 minutes
it depends on what's the temperature you freeze it in. if you freeze it in a freezer with the temperature at 5 degrees it might take about 45 minutes to an hour.