If you react 10 grams of acetylene (CH), how many moles of H O will be produced?
2 C H + 5 0,42 H2O + 4 CO,

Olá. porque a reação na temperatura é muito rapida a do copo : )

Non metal is an element or substance that is not a metal metal is a solid material that is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivitymetalloid is an element (e.g., germanium or silicon) whose properties are intermediate between those of metals and solid nonmetals. they are electrical semiconductors.

No. an alpha particle is a pair of protons and a pair of neutrons, i.e. a helium