kaidend437 aka sammyboy20 he was my first freind on here can someone bring him here if you do i will give brainliest i just wanna become freinds on his new account

How many moles of carbon dioxide will form if 2.5 moles of c3h8 is burned

Athe top of a hill, an athlete on a skateboard has x joules of mechanical energy. how much mechanical energy will she have at the bottom of the hill? ignore the effects of friction.

How can the periodic table be used to predict the behavior of elements?