Chapter 9, Problem 28QAP

Calcium carbide, ${\text{CaC}}_2$, can be produced in an electric furnace by strongly heating calcium oxide (lime) with carbon. The unbalanced equation is

:math> CaO ( s ) + C ( s ) → CaC 2 ( s ) + CO ( g )

lcium carbide is useful because it reacts readily with water to form the flammable gas acetylene, ${\text{C}}_2{\text{H}}_2$, which is used ex tensively in the welding industry. The unbalanced equation is

:math> CaC 2 ( s ) + H 2 O ( l ) → C 2 H 2 ( g ) + Ca ( OH ) 2 ( s )

at mass of acetylene gas, ${\text{C}}_2{\text{H}}_2$, would he produced by complete reaction of 3.75 g of calcium carbide?