Una piedra caliza tiene una pureza en CaCO3 del 88%. ¿Cuántos gramos de cal viva (CaO) se obtendrán por descomposición térmica de 150 g de la misma? CaCO3 s→CaOs+CO2 (g)

If a certain battery supplies 1.0×108 electrons per second to the negative terminal and the battery contains 7.00 moles of electrolytic solution (which means the solution contains 7.00 moles of hso4), what fraction of the solution undergoes a chemical reaction each second

Which of these conditions most likely produces an unstable isotope?

What substance has a mass of 9.5g and volume of 2.1cm^3