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I don't understand what exactly a mole is, could you please explain it to me?

Basicallly a mole refers to a number, in the same way as a dozen also refers to a number, this number being 12. Except instead of 12, the word mole refers to the number of 6 x 1023, which is...

AP
Answered by Andrea P. • Chemistry tutor
3508 Views

Why do capacitors dis/charge suddenly and then slow down?

Capacitors are made up of two plates (& so the symbol) which you can imagine as 'boxes' of opposite polarity and are seperated with insulation. 

As capacitors charge, the negative box...

SB
Answered by Shail B. • Physics tutor
19607 Views

What is the difference between direct and indirect object pronouns?

A pronoun is a word that is used in place of a noun, often to avoid repetition. If we are replacing the object of a sentence with a pronoun, we will be using either the direct object pronoun

NB
Answered by Nic B. • French tutor
13710 Views

What is the difference between Thomas Malthus' and Ester Boserup's view on population growth?

Thomas Malthus is the author of the Malthusian theory; the view that suggests that the global population is increasing exponentially, while global resou...

KH
Answered by Katja H. • Geography tutor
38025 Views

What is a mole?

A mole is a unit for amount of substance.

This unit was created because we needed a common unit which could be used to convert from eg. number of atoms/molecules to grams or concentration...

DB
2145 Views

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