(1) IS THE BALANCED EQUATION AND REACTANT-> MG AND N2 AND PRODUCT ->MGN2.
(2) IS NOT BALANCED AND REACTANT->CF4 AND BR AND PRODUCT IS CBR4 AND F2
The answer is C. Nicotine is the substance found in tobacco smoke that stimulates the brain.
Magnesium and I think its MG12 for the other part
Answer:
magnesium + oxygen ----> magnesium oxide