Top answers

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 10 23 , which is basically a 6 ...
AP
Answered by Andrea P. • Chemistry tutor
4544 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 keeps filling with e...
SB
Answered by Shail B. • Physics tutor
21877 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 (DOP) or indirec...
NB
Answered by Nic B. • French tutor
15373 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 resource production and extraction are only increasing arit...
KH
Answered by Katja H. • Geography tutor
42153 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 to grams.
DB
2742 Views