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Living By Chemistry - 2 Edition - Chapter 19 - Problem 4
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Solutions for Living by Chemistry | 2nd Edition | ISBN: 9781464142314 | Authors: Angelica M. Stacy 9781464142314

Solution for problem 4 Chapter 19

Propane, C3H8(g), is used as fuel in small gas stoves and barbecue grills. a. Write the

Living by Chemistry | 2nd Edition


Problem 4

Propane, C3H8(g), is used as fuel in small gas stoves and barbecue grills. a. Write the balanced equation for the combustion of propane. b. Th e heat of combustion of propane is 22220 kJ/mol. How many kJ/g would combusting propane release? c. According to the table on page 525, is the heat of combustion per gram of propane greater than the heat of combustion per gram of methane? Per mole? Can you explain why?

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Ionic Compounds -​Noble Gases​: the only happy atoms. Happiness = same number of (e-) as Noble Gases. Atoms will 1. Lose (e-) 2. Gain (e-) 3. Share (e-) 1. Lose (e-)​: Metal atoms like to lose (e-). Na has 11 (p+) meaning it has 11 (e-) = unhappy It becomes happy by becoming the closest noble gas to it ---> Ne (10 (e-)) It will lose 1 (e-) to become happy 11 (e-) ---> 10 (e-) Na ---> Na+ Sodium ---> Sodium Cation End result is 11 (p+) and 10 (e-) Mg has 12 (p+) meaning it has 12 (e-) = unhappy It becomes happy by becoming the closest noble gas to it ---> Ne (10 (e-)) It will lose 2 (e-) to become happy 12 (e-) ---> 10 (e-) Mg ---> Mg2+ Magnesium ----> Magnesium Cation Alkali Metals

Chapter 19, Problem 4 is Solved

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Propane, C3H8(g), is used as fuel in small gas stoves and barbecue grills. a. Write the