1. De las siguientes ecuaciones químicas, determina:
El nombre de elementos involucrados
El número de átomos de cada elemento en el lado de los reactivos y productos
2NO + O2 → 2NO2
5C + 2SO2 → CS2 +4CO
2C2H2 + 5 O2 → 4CO2 + 2H2O
N2H2 +2H2O2 → N2 + 4H2O
CH4 + O → CO2 + 2H2O
4P + 5O2 → P4O10
4NH3 + 6NO → 5N2 + 6H2O
6CO2 + 6H2O → C6H12O6 + 6 O2
2. Anota algunos de los símbolos usados en la escritura de las ecuaciones químicas. Añade el significado de cada uno de ellos.
3. Contesta correctamente:
¿Para qué se usan las ecuaciones químicas?
¿Qué son los reactivos
¿Qué son los productos?
Explica la diferencia entre reacción química y ecuación química.
4. Balancea las siguientes ecuaciones químicas y escribe el nombre de los elementos que participan en las siguientes reacciones; subraya en rojo los reactivos y en azul los productos.
NH3 + HCl → NH4Cl
Fe3O4 + H2 → Fe + H2O
Sb + Cl2 → SbCl3
NI3 → N2 + I2
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Ответ:
Constitutional Monarch had its origins when King John was compelled to sign the Magna Carta that protected the barons from abusive of power from the king. Later during the rise of Parliament, they presented the Bill of Rights that laid down a list of rights of individuals that further limited the power of the nobility. When the English Civil War ended, the monarchy was restored but so as not to anger parliament, constitutional monarchy was establish that gave more power to the parliament than the king.
Explanation: