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How can we influence the speed of a chemical reaction? Imagine cooking soup - if we add fewer ingredients or turn up the power of the burner, it will be faster. ???? Dr. Eng. Magdalena Malik from the Department of Physical and Quantum Chemistry explains what happens when we change the concentration of reactants, temperature, pressure, degree of fragmentation in a chemical reaction or add a catalyst or inhibitor. This knowledge will certainly be useful for solving exam tasks. You will also see how we light a platinum grid!