A 2.59 g sample of a substance suspected of being pure gold (Cs = 0.128 J g−1°C−1) is warmed to 81.3 °C and submerged into 14.8 g of water initially at 24.0 °C. The final temperature of the water and the gold is 26.9 °C. Assume that the specific heat capacity of water is 4.18 J g−1°C−1.What is the heat capacity of the unknown substance? Express your answer to 3 significant figures.
A 2.59 g sample of a substance suspected of being pure gold (Cs = 0.128 J g−1°C−1) is warmed to 81.3 °C and submerged into 14.8 g of water initially at 24.0 °C. The final temperature of the water and the gold is 26.9 °C. Assume that the specific heat capacity of water is 4.18 J g−1°C−1.What is the heat capacity of the unknown substance? Express your answer to 3 significant figures.
Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter5: Thermochemistry
Section: Chapter Questions
Problem 5.63QE: A 0.470-g sample of magnesium reacts with 200 g dilute HCl in a coffee-cup calorimeter to form...
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A 2.59 g sample of a substance suspected of being pure gold (Cs = 0.128 J g−1°C−1) is warmed to 81.3 °C and submerged into 14.8 g of water initially at 24.0 °C. The final temperature of the water and the gold is 26.9 °C. Assume that the specific heat capacity of water is 4.18 J g−1°C−1.
What is the heat capacity of the unknown substance? Express your answer to 3 significant figures.
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