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A sample of gold required 5.68 × 104 J of heat to melt it from room temperature, 24.4 °C to its melting point, 1064.4 °C. How many pounds of gold were in the sample? TABLE 4.3 Specific Heat of Selected Substances Substance Specific heat (J/g°C) 4.184 2.138 2.059 0.900 0.473 0.385 0131 Water Ethyl alcohol Ice Aluminum Iron Copper Specific heat (cal/g°C) 1.000 0.511 0.492 0.215 0.113 0.0921 0.0313

A sample of gold required 5.68 × 104 J of heat to melt it from room temperature, 24.4 °C to its melting point, 1064.4 °C. How many pounds of gold were in the sample? TABLE 4.3 Specific Heat of Selected Substances Substance Specific heat (J/g°C) 4.184 2.138 2.059 0.900 0.473 0.385 0131 Water Ethyl alcohol Ice Aluminum Iron Copper Specific heat (cal/g°C) 1.000 0.511 0.492 0.215 0.113 0.0921 0.0313

General Chemistry - Standalone book (MindTap Course List)
General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter6: Thermochemisty
Section: Chapter Questions
Problem 6.144QP: A piece of iron was heated to 95.4C and dropped into a constant-pressure calorimeter containing 284...
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Additional Exercise 4.27 A sample of gold required 5.68 × 104 J of heat to melt it from room temperature, 24.4 °C to its melting point, 1064.4 °C. How many pounds of gold were in the sample? TABLE 4.3 | Specific Heat of Selected Substances Substance Specific heat (J/g°°C) Specific heat (cal/g°C) 4.184 2.138 2.059 Water 1.000 Ethyl alcohol Ice 0.511 0.492 Aluminum Iron 0.900 0.215 0.473 0.113 Copper Gold Lead 0.385 0.0921 0.0312 0.0305 0.131 0.128 Ib gold the tolerance is +/-2%
Transcribed Image Text:Additional Exercise 4.27 A sample of gold required 5.68 × 104 J of heat to melt it from room temperature, 24.4 °C to its melting point, 1064.4 °C. How many pounds of gold were in the sample? TABLE 4.3 | Specific Heat of Selected Substances Substance Specific heat (J/g°°C) Specific heat (cal/g°C) 4.184 2.138 2.059 Water 1.000 Ethyl alcohol Ice 0.511 0.492 Aluminum Iron 0.900 0.215 0.473 0.113 Copper Gold Lead 0.385 0.0921 0.0312 0.0305 0.131 0.128 Ib gold the tolerance is +/-2%
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