The stress mark in Spanish is called a "tilde" and is placed on the stressed syllable of a word. The rules for placing the stress mark vary depending on the type of word (agudas, llanas, esdrújulas), but generally, you'll find them in words that don't follow the standard rules of stress placement or to differentiate between homonyms.
there is just one mark of stress which is : '
The stress mark on 'comb' over the O.
usefulness
She felt a lot of stress before the big presentation at work.
The stress in "kindness" is on the first syllable.
NUM-ber The stress is on NUM.
the stress is on the second syllable of "barometer".
The stress mark in the word "remember" is on the second syllable, "mem." It is pronounced as /rɪˈmɛmbər/.
dem-o-CRA-tic
On "tri."
calamity