Chemistry: An Introduction to General, Organic, and Biological Chemistry (12th Edition)

Published by Prentice Hall
ISBN 10: 0321908449
ISBN 13: 978-0-32190-844-5

Chapter 7 - Section 7.8 - Energy in Chemical Reactions - Additional Questions and Problems - Page 249: 7.91a

Answer

Balanced equation: $NH_3(g) + HCl(g) --\gt NH_4Cl(s)$ Type: Combination reaction.

Work Step by Step

1. Count the atoms of each element in both sides of the reaction. $NH_3(g) + HCl(g) --\gt NH_4Cl(s)$ Reactants: $N = 1$, $H = 4$ and $Cl = 1$ Products: $N = 1$, $H = 4$ and $Cl = 1$ - The equation is completely balanced. 2. Classify the reaction. That reaction follows the pattern: $A + B --\gt AB$. Where two different compounds combine to form a single product. This type of reaction is called: "Combination reaction".
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