Cuantos gramos de CaS se necesitan descomponer para obtener 120 gramos de Ca
CaS + calor Ca +...
Chemistry, 05.05.2020 06:22, joesalem215
Cuantos gramos de CaS se necesitan descomponer para obtener 120 gramos de Ca
CaS + calor Ca + S
a) 96 gramos c) 216 gramos
b) 12 gramos d) 24 gramos
Answers: 2
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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.)
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