Rates of reaction between hydrochloric acid and sodium sulphate

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The rate of a chemical reaction is the amount of reactant used up, or product made, in a given time. Do not use the words speed or how fast. The rate of a reaction can be measured in one of two general ways.

Here the reaction is started and timed until it is finished. Each experiment produces one reading. No readings are taken during the reaction.

e.g. Reaction between sodium thiosulphate and dilute acid

NaSO(aq) + HCl(aq) -- S(s) + SO(g) + NaCl(aq) + HO(l)

Help with essay on Rates of reaction between hydrochloric acid and sodium sulphate Here the reaction is started and timed until it is finished. Each experiment produces one reading. No readings are taken during the reaction.

e.g. Reaction between sodium thiosulphate and dilute acid

NaSO(aq) + HCl(aq) -- S(s) + SO(g) + NaCl(aq) + HO(l)

Here the reaction is started and timed until it is finished. Each experiment produces one reading. No readings are taken during the reaction.

e.g. Reaction between sodium thiosulphate and dilute acid

NaSO(aq) + HCl(aq) -- S(s) + SO(g) + NaCl(aq) + HO(l)

When certain a solid is added to a solution of hydrogen peroxide in water, it makes the hydrogen peroxide break down into water and oxygen gas much faster then it would on its own. This is a decomposition reaction. The solid is acting as a catalyst

HO(aq)

HO(l)

+

O(g)

hydrogen peroxide

solution

solid

catalyst

water

oxygen

You could prove that the gas given of was

oxygen, by collecting it in a tube. You then

light a wooden splint.

You then blow the flame out so that is

glowing red and then put it into the tube.

The splint should relight if the gas in the

tube is oxygen.

if it does not relight, it is not oxygen!

When you choose a run, the solid is added to the flask containing the hydrogen peroxide solution. After a short time, the reaction starts and you will see the reading on a gas syringe change as the oxygen gas is formed. The experiment has been speeded up so that you dont have to wait as long as you normally would!

You need to record the time that has passed and the volume of oxygen gas which has been formed, so you had better have a results table ready!

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