The following equation is balanced according to the Law of Conservation of Mass: 2 NO + O2 → 2 NO2

True
False

How are elements arranged in a periodic table

Silver tarnishes as silver metal reacts with hydrogen sulfide, h2s, in the air. in this reaction, dark silver sulfide, au2s, covers the surface of silver. when silver is polished, this coating of silver sulfide can be removed from the surface. this makes the silver shiny again. enter the coefficients that balance the tarnishing reaction equation. (type 1 for no coefficient.)

What material does not melt at any temperature