Lawrie Ryan and Roger Norris Solutions for Chapter: Equilibria, Exercise 1: BEFORE YOU START

What are the units of volume, pressure and temperature? What a smaller or larger units of these basic units are commonly used?

Take turns in challenging a partner to convert figures into standard form. Your partner thinks of a number from $0.00001$ to $1000000$, e.g. $0.0063 \mathrm{or} 675000$, and asks you to change this into standard form. Take turns in doing this until you are sure that you understand the use of standard form.

Work with another learner to describe and explain what you know about the manufacture of either ammonia or sulphuric acid and the factors which affect the yield. Be ready to share this with the class.

Make a list of acids and alkalis together with their formulae. Share your list and formulae with the rest of the class.

Write down the main points about the $\mathrm{pH}$ scale and the colour changes of named indicators in acidic and alkaline conditions. Compare your answers with other learners in the class.

Discuss these questions with another learner: What are the differences between a concentrated weak acid and a dilute strong acid?

Discuss these questions with another learner: What is the meaning of the terms neutralisation, indicator, salt, titration?

Work with another learner to describe how you would carry out an acid-alkali titration and process the results.