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Mathematics, 20.02.2020 08:54 SunsetPrincess
In a certain chemical reaction, a substance is converted into another substance at a rate proportional to the square of the amount of the first substance present at any time t. Initially (t = 0) 45 g of the first substance was present; 1 hr later, only 10 g of it remained.
Find an expression that gives the amount of the first substance present Q(t) at any time t.
Q(t) = ?
What is the amount present after 2 hr? (Round your answer to two decimal places.)
g
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