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What is the definition of Avogadro's constant and when should I use it?

Avogadro's constant is defined as the number of atoms/molecules in one mole of a substance . It's value is approximately 6.023 x 10^23. It is often used in conjunction with the equation "moles = mass (i...
BK
Answered by Ben K. • Chemistry tutor
17149 Views

How can I improve my accent in French?

Going from English to French or from French to English is notoriously tricky accent-wise–while English is an accented language with more nasal and guttural timbres, while French is 'flatter' and tends to be ...
PA
2320 Views

What kind of topics can come up in the exam? And any advice on how to tackle them.

This varies. Usually the topics are very broad. Most students struggle with writing essays because of the grammar and sentence structure, in addition to trying to use complex words. Topics include: Holiday d...
JL
Answered by Jenny L. • Mandarin tutor
2040 Views

Translate the following sentence into English: "Gaius ambulat ad agrōs quod Titus est."

Gaius: Personal name in Nominative singular Ambulat: 3rd person singular of the verb "ambulo" (intr.)—walk, go ad: prep of Accusative Agros: Accusative Plural of "ager"—fields, countrysid...
NR
Answered by Nicolás R. • Latin tutor
5522 Views

Explain what is meant by the term 'rate of reaction'?

The change in concentration of reactants or products, per unit of time.
LM
Answered by Laura M. • Chemistry tutor
2645 Views