Search over 10,000 free study notes
Over a million students use our free study notes to help them with their homework
Top answers
How do you know which chemicals are formed at the electrodes in the electrolysis of aqueous solutions?
In electrolysis, positive ions will be attracted to the negative cathode (the cat hode being negative can be remembered because cats are evil). However, in aqueous solutions there are 2 positive ions: the on...
SB
Answered by
Syed Bilaal A.
•
Chemistry tutor
7085 Views
Why can crude oil be separated by fractional distillation?
Crude oil is composed from hydrocarbons of varying chain length. Hydrocarbons with longer chains have higher boiling points due to the increasing strength of intermolecular forces with length, therefore the ...
CF
Answered by
Charlotte F.
•
Chemistry tutor
7773 Views
Explain the physical properties of graphite in terms of its structure and bonding
Graphite is a giant covalent molecule . This means it has many atoms joined together by covalent bonds. Graphite consists of layers of carbon atoms joined together by covalent bonds with delocalised electron...
ED
Answered by
Eliza D.
•
Chemistry tutor
16715 Views
what forces hold the ions together in an ionic compound?
electrostatic forces between oppositely charged ions.
AJ
Answered by
Anushka J.
•
Chemistry tutor
8901 Views
Describe the structure of metal and its bonding and how its structure contribute to its properties.
Metals have a distinct bonding known as metallic bonds, where there is a sea of delocalised electrons and metal ions present. This is due to electrons leaving the atom forming a positive metal ion and a sea ...
AP
Answered by
Ann P.
•
Chemistry tutor
8892 Views
←
64
65
66
67
68
→