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(Solved): Differential Equations 9. Two chemicals \( A \) and \( B \) are combined to form a chemical \( ...
Differential Equations
9. Two chemicals \( A \) and \( B \) are combined to form a chemical \( C \). The rate, or velocity, of the reaction is proportional to the product of the instantaneous amounts of \( A \) and \( B \) not converted to chemical \( C \). Initially, there are 40 grams of \( A \) and 50 grams of \( B \), and for each gram of \( B, 2 \) grams of \( A \) is used. It is observed that 10 grams of \( C \) is formed in 5 minutes. How much is formed in 20 minutes? What is the limiting amount of \( C \) after a long time? How much of chemicals \( A \) and \( B \) remains after a long time? 10. Solve Problem 9 if 100 grams of chemical \( A \) is present initially. At what time is chemical \( C \) half-formed?