Chemistry, 02.03.2020 19:24 hannaboo53
Elf-contained self-rescue breathing devices convert CO2 into O2 according to the following reaction: 4KO2(s) + 2CO2(g) → 2K2CO3(s) + 3O2(g) How many grams of KO2 are needed to produce 100.0 L of O2 at 20.0 °C and 1.00 atm?
Answers: 1
Chemistry, 21.06.2019 17:30
Supongamos que estás estudiando dos estrellas. ambas estrellas tienen la misma magnitud aparente, pero la estrella a tiene una magnitud absoluta mayor que la estrella b. ¿que puedes decir acerca de la distancia a la tierra de estas dos estrellas?
Answers: 3
Chemistry, 22.06.2019 04:40
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.)
Answers: 2
Elf-contained self-rescue breathing devices convert CO2 into O2 according to the following reaction:...
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