Describe the defining properties of acids. Your response should mention how acids react with metals, bases, carbonates and indicators.
How does the density of the carboxylic acids change as the number of carbon atoms in the molecule increases?
Suggest a boiling point for pentanoic acid.
Determine the state of ethanoic acid at $15\,^{\circ}\text{C}$. Explain your answer.
Draw the structure of the functional group found in carboxylic acids. Show all atoms and all bonds.
Calculate the relative molecular mass of butanoic acid. Show all your working.
Identify the following as either physical changes or chemical changes by writing either ‘physical’ or ‘chemical’ in the spaces provided. The condensation of ethanoic acid vapour to liquid ethanoic acid is a [BLANK] change. The reaction of sodium with ethanoic acid is a [BLANK] change. The dissolving of a salt in water is a [BLANK] change.