Answer to Question #247911 in General Chemistry for Jack

Question

Write the balanced chemical equations of each reaction:

a. Calcium carbide (CaC₂) reacts with water to form calcium hydroxide (Ca(OH)₂) and acetylene gas (C₂H₂).

b. When potassium chlorate (KClO₃) is heated, it decomposes to form KCl and oxygen gas (O₂).

c. C₆H₆ combusts in air. Hint

Answer 1

a) CaC2 + 2H2O → C2H2 + Ca(OH)2

b) $2KClO 3 ​ → 2KCl+3O 2 ​$