Yes. Fili, Kili and Thorin were all killed.
The movies do not tell why the Dwarves are hated in The Hobbit and The Hobbit DoS. However, it is believed that past wars and experiences are the reason the Dwarves are hated.
The dwarves are Bilbo's friends for most of the Hobbit.
Dwarves are slightly bigger
The EAGLES!
13.
they are impatient
Three dwarves but many unnamed die in the Battle of Five Armies. The three dwarves were Thorin, Fili and Kili. Fili and Kili fell defending Thorin.
mails and weapons
The dwarves are happy because they are treated well with great houses.
They dwarves and the hobbit hear the Wargs howling.
Their treasure back.
yes