Chemistry
State the information conveyed by the following equation.
Zn(s) + 2HCl (aq) ⟶ ZnCl2 (aq) + H2↑
Related Questions
Depending on the number of oxygen atoms in the anions, the names of some acids and their formulae are given. Write the formula of their corresponding salts.
Acid Formula Salt Formula Perchloric acid HClO4 Sodium perchlorate NaClO4 Chloric acid HClO3 Sodium chlorate …………… Chlorous acid HClO2 Potassium chlorite …………… Hypochlorous acid HClO Sodium hypochlorite …………… What is a chemical equation ? Why it is necessary to balance it ?
What is the limitation of the reaction given in question 2?
Write chemical equations for the following word equations and balance them.
(a) Carbon + Oxygen ⟶ Carbon dioxide
(b) Nitrogen + Oxygen ⟶ Nitrogen monoxide
(c) Calcium + Nitrogen ⟶ Calcium nitride
(d) Calcium oxide + Carbon dioxide ⟶ Calcium carbonate
(e) Magnesium + Sulphuric acid ⟶ Magnesium sulphate + Hydrogen
(f) Sodium reacts with water to form sodium hydroxide and hydrogen.