The graph shows the concentrations over time for the equilibrium system:
The diagram shows a galvanic cell used to measure electrode potentials.
Which of the following describes a correct procedure to test for barium ions in 2 mL of a dilute acid solution?
Phenolphthalein can be used to determine the equivalence point in the titration of acetic acid with sodium hydroxide, but methyl orange is no use in this case. The most appropriate explanation for the above statement is:
Consider the table below:
Which one of the following species could be analysed using AAS?
Cellulose is an example of a condensation polymer, and it is the major component of biomass.
The diagram below shows a polymer.
Which one of the following species contains a coordinate covalent bond?
Consider the following graph which relates to the Haber process:
HDPE and LDPE are two of the most commercially important polymers in use today. Which one of the following options correctly describes aspects of their chemistry?
The naturally occurring acid 2-hydroxypropane-1,2,3-tricarboxylic acid is also known as
What is the correct systematic name for the compound having the structure shown below?
Consider the following carbon compounds, which are all clear, colourless liquids.
Which one of the following substances can be classified as an Arrhenius acid?