A sample of gold required 3.25 times 10 to the fourth power J of heat to melt it from room temperature 23.2 degrees Celsius to its melting point 1064.4 degrees Celsius. How many pounds of gold were in the sample?
A sample of gold required 3.25 times 10 to the fourth power J of heat to melt it from room temperature 23.2 degrees Celsius to its melting point 1064.4 degrees Celsius. How many pounds of gold were in the sample?
Chemistry: Matter and Change
1st Edition
ISBN:9780078746376
Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Publisher:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Chapter3: Matter-properties And Changes
Section: Chapter Questions
Problem 35A
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A sample of gold required 3.25 times 10 to the fourth power J of heat to melt it from room temperature 23.2 degrees Celsius to its melting point 1064.4 degrees Celsius. How many pounds of gold were in the sample?
Expert Solution
Step 1
The heat capacity is the amount of heat required to raise the temperature of a substance by 1 degree centigrade.
When heat is lose during the reaction, it is exothermic in nature.
When heat is gained during the reaction, it is endothermic in nature.
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