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The equation for the combustion of CH4 (the main component

Introductory Chemistry | 5th Edition | ISBN: 9780321910295 | Authors: Nivaldo J Tro ISBN: 9780321910295 34

Solution for problem 74P Chapter 8

Introductory Chemistry | 5th Edition

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Introductory Chemistry | 5th Edition | ISBN: 9780321910295 | Authors: Nivaldo J Tro

Introductory Chemistry | 5th Edition

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Problem 74P

PROBLEM 74P

The equation for the combustion of CH4 (the main component of natural gas) is shown below. How much heat is produced by the complete combustion of 237 g of CH4?

CH4(g) + 2 O2(g) → CO2(g) + 2 H2O(g) ΔHrxn = −802.3 kJ

Step-by-Step Solution:

Solution 74P

Step 1:

Consider the below equation

CH4(g) + 2 O2(g) → CO2(g) + 2 H2O(g) ΔHrxn = −802.3 kJ

Molecular mass of methane is 121+41=16grams

From the equation it is clear that 1 mole of methane releases 802 KJ of energy

237 grams of methane corresponds...

Step 2 of 3

Chapter 8, Problem 74P is Solved
Step 3 of 3

Textbook: Introductory Chemistry
Edition: 5
Author: Nivaldo J Tro
ISBN: 9780321910295

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