Question

Расставьте коэффициенты, определите тип реакции (разложения или соединения, возможны другие типы реакций): а) H2 + N2 →NH3 б) CO +O2 → CO2 в) K2O + Н2О → KOH г) Li + N2 → Li3N д ) KClO3 → KCl+ O2↑ е) Zn + HCl → ZnCl2 + H2↑ ж) Mg + N2 → Mg3N2 з) C +Cr2O3→ CO2 +Cr и) AgNO3 → Ag +O2↑+NO2↑

Answer 1

Ответ:

а) 3H₂ + N₂ → 2NH₃ - соединение

б) 2CO +O₂ → 2CO₂ -  соединение

в) K₂O + Н₂О → 2KOH -  соединение

г) 6Li + N₂ → 2Li₃N -  соединение

д ) 2KClO₃ → 2KCl+ 3O₂↑ -разложение

е) Zn + 2HCl → ZnCl₂ + H₂↑ -замещение

ж) 3Mg + N₂ → Mg₃N₂ -  соединение

з) 3C +Cr₂O₃→ 3CO₂ +2Cr -замещение

и) 2AgNO₃ → 2Ag +O₂↑+2NO₂↑ -разложение

Answer 2

a) H2 + N2 → NH3

The given equation represents the reaction between hydrogen gas (H2) and nitrogen gas (N2) to form ammonia (NH3). This is a combination reaction where two or more substances combine to form a single product.

b) CO + O2 → CO2

The given equation represents the reaction between carbon monoxide (CO) and oxygen gas (O2) to form carbon dioxide (CO2). This is a combination reaction where two or more substances combine to form a single product.

c) K2O + H2O → KOH

The given equation represents the reaction between potassium oxide (K2O) and water (H2O) to form potassium hydroxide (KOH). This is a combination reaction where two or more substances combine to form a single product.

d) Li + N2 → Li3N

The given equation represents the reaction between lithium (Li) and nitrogen gas (N2) to form lithium nitride (Li3N). This is a combination reaction where two or more substances combine to form a single product.

e) KClO3 → KCl + O2↑

The given equation represents the decomposition of potassium chlorate (KClO3) into potassium chloride (KCl) and oxygen gas (O2). This is a decomposition reaction where a single compound breaks down into two or more simpler substances.

f) Zn + HCl → ZnCl2 + H2↑

The given equation represents the reaction between zinc (Zn) and hydrochloric acid (HCl) to form zinc chloride (ZnCl2) and hydrogen gas (H2). This is a displacement reaction where one element displaces another element in a compound.

g) Mg + N2 → Mg3N2

The given equation represents the reaction between magnesium (Mg) and nitrogen gas (N2) to form magnesium nitride (Mg3N2). This is a combination reaction where two or more substances combine to form a single product.

h) C + Cr2O3 → CO2 + Cr

The given equation represents the reaction between carbon (C) and chromium(III) oxide (Cr2O3) to form carbon dioxide (CO2) and chromium (Cr). This is a displacement reaction where one element displaces another element in a compound.

i) AgNO3 → Ag + O2↑ + NO2↑

The given equation represents the decomposition of silver nitrate (AgNO3) into silver (Ag), oxygen gas (O2), and nitrogen dioxide gas (NO2). This is a decomposition reaction where a single compound breaks down into two or more simpler substances.

Please note that the types of reactions mentioned above are based on the given chemical equations and may vary depending on the reaction conditions.