Higher The Temperature Of Acid example essay topic
227 words
How does temperature affect the rate of reaction between Hydrochloric acid and marble chips? Aim From this investigation, we intend to find out if the temperature of acid, in this case Hydrochloric acid, affects the rate of reaction between itself and marble chips. Hypothesis We expect to find that the higher the temperature of acid, the quicker the rate of reaction. The rate of reaction will depend on the rate of collisions between particles, we expect the rate of collisions to be greater the higher the temperature of acid.
Our hypothesis is based on and supported by the scientific theory that: " Reactions can only occur when particles collide with enough energy. Increasing the temperature of the reactants increases the speed of the reactant particles. The particles collide more often and with higher energy, resulting in an increase in the number of fruitful collisions". Extract taken from BBC GCSE Bite size chemistry book. If this scientific theory is correct, then it should give us a clear explanation for the results that we gain from our experiments. List of apparatus.
0.4 M Hydrochloric acid. 25 cm 3 measuring cylinder. 250 ml beaker. 100 ml conical flask.
Bung. Delivery tube. Gas Syringe. Water baths at temperatures 40 o, 60^0 and 80^0 C.
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