In a chemical reaction, the rate at which a reactant diminishes (i.e., combines with another reactant) is proportional to the amount remaining. Let A(t) denote the amount of the reactant at time t. (a) Use a differential equation to model the amount of the reactant in time. (b) Solve your DE model. (c) Suppose an initial amount of 10 grams of reactant decays to 6 grams in 2 minutes. Determine any parameter values using this data. (d) Use your model (solution) to predict how long it would take for the reactant to decay to 1 gram.

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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1. In a chemical reaction, the rate at which a reactant diminishes (i.e., combines with another reactant)
is proportional to the amount remaining. Let A(t) denote the amount of the reactant at time t.
(a)
Use a differential equation to model the amount of the reactant in time.
(b)
Solve your DE model.
(c) Suppose an initial amount of 10 grams of reactant decays to 6 grams in 2 minutes.
Determine any parameter values using this data.
(d) Use your model (solution) to predict how long it would take for the reactant to decay
to 1 gram.
Transcribed Image Text:1. In a chemical reaction, the rate at which a reactant diminishes (i.e., combines with another reactant) is proportional to the amount remaining. Let A(t) denote the amount of the reactant at time t. (a) Use a differential equation to model the amount of the reactant in time. (b) Solve your DE model. (c) Suppose an initial amount of 10 grams of reactant decays to 6 grams in 2 minutes. Determine any parameter values using this data. (d) Use your model (solution) to predict how long it would take for the reactant to decay to 1 gram.
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