I have been looking at the reaction of metals with acid and have experimentally determined the activation energy of the reaction between magnesium and hydrochloric acid, using the Arrhenius equation. Why did we used 1/time to produce 30 cm3 of gas as the ate ?
There are n moles of gas in 30 cm3 (you could work out how many but you dont have to!). The rate of the reaction is therefore n/time moles per second. As n is the same for all the runs of the experiment, the rate is proportional to 1/time. Ulex Risk assessment Before attempting any practical work based on the advice and suggestions on this website, you must do the following. Identify any hazards, assess the risks from these hazards, and then decide appropriate control measures to reduce the risks. You must have these approved by those in authority in your school or college laboratory. Do not rely on what is said on this website. For further guidance see our tutorial on Risk Assessment.
Related Questions
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