CL3 - Manufacturing Sulfuric Acid

Question 1

rate of reaction - speed units?

Answer 1

m s-1 / mol s-1

Question 2

measuring rate of reaction methods

Answer 2

• volumes of gas evolved
• mass changes
• pH measurement
• colorimetry
• chemical analysis including titration

Question 3

what is chemical analysis

Answer 3

• taking samples at regular intervals
• stopping the reaction in the sample before analysis
• = quenching

Question 4

methods of quenching

Answer 4

• dilution by adding ice cold water

- sodium hydrogencarbonate - neutralises an acid catalyst