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Abstract
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The multi-step differential transform method (DTM) adopted from the standard DTM is employed in this case
study to solve a model of the transesterification reaction. The DTM is considered in a sequence of time intervals. The accuracy of the proposed method is confirmed by comparing its results with those of the fourth-order
RungeKutta (RK4) method. In addition, the experimental results are investigated with the Multi-step DTM to
demonstrate the efficiency and effectiveness of these chemical reactions obtained in the laboratory. The present
findings confirmed the effectiveness of using the multi-step DTM in validating the chemical models obtained in
laboratories.
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