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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

Chemistry by OpenStax (2015-05-04)
Chemistry by OpenStax (2015-05-04)
1st Edition
ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Chapter5: Thermochemistry
Section: Chapter Questions
Problem 6E: How much heat, in joules and in calories, must be added to a 75.0g iron block with a specific heat...
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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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