-FeS2+-O2->-Fe2O3+-SO2 What coefficient should be placed in front of SO2 to balance the equation?

Answer asap need by wednesday morning calculate the ph of 0.036m naoh best answer will be brainliest

Phosphorous can form an ion called phosphide, which has the formula p3−. this ion can form an ion called phosphide, which has the formula p3−. this ion properties very similar to those of pforms when a phosphorus atom loses three protonsis called a cationcontains 18 electrons

Select the correct location on the image identify the element that humans need to breathe. 2015 er r ights reserved