   # Hydrazine (N 2 H 4 ) is used as a fuel in liquid-fueled rockets. When hydrazine reacts with oxygen gas, nitrogen gas and water vapor are produced. Write a balanced equation and use bond energies from Table 3-3 to estimate ∆ H for this reaction. ### Chemistry: An Atoms First Approach

2nd Edition
Steven S. Zumdahl + 1 other
Publisher: Cengage Learning
ISBN: 9781305079243

#### Solutions

Chapter
Section ### Chemistry: An Atoms First Approach

2nd Edition
Steven S. Zumdahl + 1 other
Publisher: Cengage Learning
ISBN: 9781305079243
Chapter 19, Problem 73AE
Textbook Problem
9 views

## Hydrazine (N2H4) is used as a fuel in liquid-fueled rockets. When hydrazine reacts with oxygen gas, nitrogen gas and water vapor are produced. Write a balanced equation and use bond energies from Table 3-3 to estimate ∆H for this reaction.

Interpretation Introduction

Interpretation: The balanced equation for the reaction of hydrazine with oxygen is to be stated. The value of ΔH° for this reaction is to be calculated using the bond energies from Table 3-3 .

Concept introduction: The expression to calculate the value of ΔH° is,

ΔH°=npD°(bondsbroken)nrD°(bondsformed)

To determine: The balanced equation for the reaction of hydrazine with oxygen; the value of ΔH° for this reaction is to be calculated using the bond energies from Table 3-3 .

### Explanation of Solution

The balanced reaction is,

N2H4(l)+O2(g)N2(g)+2H2O(g)

Reaction between hydrazine (N2H4) with oxygen (O2) yields nitrogen gas (N2) and water (H2O) . The balanced reaction is,

N2H4(l)+O2(g)N2(g)+2H2O(g)

The required value of ΔH° for the given reaction is 590kJ_ .

Refer to Table 3-3 .

The value of bond energy, D°(kJ/mol) , for the given reactant and product is,

 Bonds D°(kJ/mol) N−H 391 N−N 160 N≡N 941 O−H 467 O=O 495

The formula of ΔH° is,

ΔH°=npD°(bondsbroken)nrD°(bondsformed)

Where,

• np is the number of moles of each product

### Still sussing out bartleby?

Check out a sample textbook solution.

See a sample solution

#### The Solution to Your Study Problems

Bartleby provides explanations to thousands of textbook problems written by our experts, many with advanced degrees!

Get Started

Find more solutions based on key concepts
Name the following compounds: a HCl(g) b HBr(aq) c HF(g) d HNO2(aq)

General Chemistry - Standalone book (MindTap Course List)

A person who wishes to meet nutrient needs while not over consuming calories is wise to master a. the concept o...

Nutrition: Concepts and Controversies - Standalone book (MindTap Course List)

25-14 What is the difference between a nucleoside and a nucleotide?

Introduction to General, Organic and Biochemistry

What is the structure and function of a chloroplast?

Biology: The Dynamic Science (MindTap Course List)

What is a fatty acid micelle?

General, Organic, and Biological Chemistry

A shaft is turning at 65.0 rad/s at time t = 0. Thereafter, its angular acceleration is given by =10.05.00t whe...

Physics for Scientists and Engineers, Technology Update (No access codes included) 