ps1_solutions_1b01_w06

ps1_solutions_1b01_w06 - Chemistry 01B-01 Homework...

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Chemistry 01B-01 Homework Solutions Winter 2006 - 1 - Problem Set #1: Solutions Chapter 6: 5,7,13,21,25,27,32,36,42,47,53,56 6.5 a) electric heater b) sound amplifier c) light bulb d) automobile alternator e) battery (voltaic) 6.7 Heat energy; sound energy (impact) Kinetic energy (falling text) Potential energy (raised text) Mechanical energy (raising of text) Chemical energy (biological process to move muscles) 6.13 CaCO 3 ( s ) + 9.0 x 10 6 kJ CaO( s ) + CO 2 ( g ) (5.0 ton) a) Δ E (J) = (9.0 x 10 6 kJ) 3 10 J 1 kJ ! " # $ # $ % = 9.0 x 10 9 J b) Δ E (cal) = (9.0 x 10 6 kJ) 3 10 J 1 cal 1 kJ 4.184 J ! " ! " # $ # $ # $ % % = 2.15105 x 10 9 = 2.2 x 10 9 cal c) Δ E (Btu) = (9.0 x 10 6 kJ) 3 10 J 1 Btu 1 kJ 1055 J ! " ! " # $ # $ # $ % % = 8.5308 x 10 6 = 8.5 x 10 6 Btu 6.21 Δ H = Δ E + P Δ V (const P) a) Δ H < Δ E , P Δ V is negative. b) Δ H = Δ E , a fixed volume means P Δ V = 0. c)
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This note was uploaded on 01/18/2009 for the course CHEM 1C taught by Professor Roland during the Spring '08 term at UCSC.

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ps1_solutions_1b01_w06 - Chemistry 01B-01 Homework...

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