Comprueba que las siguientes reacciones químicas están ajustadas: 1. a) C3H8 + 5O2 → 3CO2 + 4H2O
2. b) 2Na + 2H2O → 2NaOH + H2
3. c) 2KOH + H2SO4→ K2SO4 + 2H2O
4. d) 2Cu(NO3)2→ 2CuO + 4NO2 + O2

well in order to answer this question you have to provide more information < 3

the number of protons in the nucleus of a given element. has slight luster and conducts electricity at high temperatures like metal.but like a nonmetal,boron is brittle and does not conduct electricity well at low temperatures. in graphite, carbon is a soft,brittle solid.it is reflective,ductile,or malleable.

frequency, z, and the collision density, z, in carbon dioxide (co2), r 180 pm at 30 °c and 120 kpa