Write two balanced equations for each type of chemical reactions
Answers
Answer:
(a) Potassium bromide(aq) + Barium iodide(aq) → Potassium iodide(aq) + Barium bromide(s)
2KBr (aq) +BaI2 (aq)→2KI (aq) +BaBr 2 (s)
In this reaction, both the reactants exchanges ions to for two new products, hence, it is a double displacement reaction
(b) zinc carbonate(s) → Zinc oxide(s) + Carbon dioxide(g)
ZnCO 3 (s) →ZnO (s) +CO 2 (g)
In this reaction, a single substance yields two different product. hence, it is a decomposition reaction
(c) Hydrogen(g) + Chlorine(g) → Hydrogen chloride(g)
H 2 (g) +Cl 2 (g) →2HCl (g)
In this reaction, two different reactants react with each other to form a single product. Hence, it is called a combination reaction
(d) Magnesium(s) + Hydrochloric acid(aq) → Magnesium chloride(aq) + Hydrogen(g)
Mg (s) +2HCl (aq) →MgCl 2 (aq) +H 2 (g)
In this reaction, more reactive Mg is replacing less reactive H. Hence, it is displacement reaction
Explanation: