Question

A boiling 100 c solution is set on a table
Where the room temperature is assumed to
be constant at 20 c the solution cooled
to 60 c after 5 minutes
(i) find a formula for the temperature (T)
of the solution , t minutes after it is
placed on table.
(1) Determine how long it will takes for
the solution to cool to 22°C.​

Answer 1

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