Chemistry Gcse Coursework Rates Reaction Concentration

Students follow the rate of reaction between magnesium and the acid, by measuring the amount of gas produced at 10 second intervals 3 cm of magnesium ribbon typically has a mass of 004 g and yields 40 cm 3 of hydrogen when reacted with excess acid 50 cm 3 of 1m hydrochloric acid is a six-fold excess of acid.

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The rate of reaction is the rate of loss of a reactant or the rate of formation of a product during a chemical reaction.You need to understand how these different factors such as pressure, concentration, temperature and the presence of a catalyst impact on the equilibrium of a reversible reaction.You need to know the definition of chemical equilibrium and dynamic equilibrium.It is measured by dividing 1 by the time taken for the reaction to take place.There is five factors which affect the rate of a reaction, according to the collision theory of reacting particles: temperature, concentration (of solution), pressure (in gases), surface are (of solid reactants), and catalysts.Whether you are revising for the AQA GCSE chemistry exam or you are sitting the exam with another exam board, you will need to know about rates of reactions and chemical equilibrium.Use our free chemistry resources below to help you revise.The air inlet on this particular model is adjusted by rotating the barrel, thus opening or closing the v by Wikipedia.Licensed under Public domain" data-lightbox="media-gallery-1567850834"Similarly the use of a catalyst complicates things, and if used incorrectly could alter the outcome of the experiment.And in this experiment I am measuring how long it take to collect 10cm of carbon dioxide in a gas stringe. However when I was working out the rate of reaction you do 1/time And when I did that It strangely showed that the slower times had a faster rate of reaction?!? sorry if i didn't answer your question, i didn't quite know what you were asking.So what I did it I did different concentration of hydrochloric acid e.g 20 cm of hydrochloric and 5 cm water, or 10cm of hydrochloric acid and 15 cm water.

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