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
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
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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In a chemical reaction, the rate at which a reactant diminishes(i.e., combines with another reactant) is proportional to the amount remaining.

Let At denote the amount of the reactant at time t.

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