   # Calcium carbide, CaC 2 , can be produced in an electric furnace by strongly heating calcium oxide (lime) with carbon. The unbalanced equation is :math&gt; 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, C 2 H 2 , which is used ex tensively in the welding industry. The unbalanced equation is :math&gt; CaC 2 ( s ) + H 2 O ( l ) → C 2 H 2 ( g ) + Ca ( OH ) 2 ( s ) at mass of acetylene gas, C 2 H 2 , would he produced by complete reaction of 3.75 g of calcium carbide? ### Introductory Chemistry: A Foundati...

9th Edition
Steven S. Zumdahl + 1 other
Publisher: Cengage Learning
ISBN: 9781337399425

#### Solutions

Chapter
Section ### Introductory Chemistry: A Foundati...

9th Edition
Steven S. Zumdahl + 1 other
Publisher: Cengage Learning
ISBN: 9781337399425
Chapter 9, Problem 28QAP
Textbook Problem
80 views

## Calcium carbide, 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, C 2 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, C 2 H 2 , would he produced by complete reaction of 3.75 g of calcium carbide?

Interpretation Introduction

Interpretation:

The mass of acetylene gas produced by complete reaction of 3.75 g of calcium carbide should be calculated.

Concept Introduction:

The mass of product formed can be calculated from number of moles which can be calculated by comparing the number of moles of reactant and products in the balanced chemical reaction.

### Explanation of Solution

The unbalanced chemical reaction for production of the flammable acetylene gas is as follows:

CaC2(s)+H2O(l)C2H2(g)+Ca(OH)2(s)

To balance the above reaction, give coefficient 2 to H2O on left side of the reaction arrow thus, balanced chemical reaction will be:

CaC2(s)+2H2O(l)C2H2(g)<

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