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Science Clinic => Chemistry => Topic started by: Yi-Chen on Nov 18, 2019

Title: Calculate the final temperature of a 63.7 g piece of palladium, originally at 100.0 C, placed inside ...
Post by: Yi-Chen on Nov 18, 2019

Question 1

Calculate the final temperature of a 38.1 g piece of graphitic carbon, originally at 100.0 °C, placed inside a coffee cup calorimeter containing 68.0 mL of water at 24.6 °C. The specific heat capacity of water is 4.184 J g-1 °C-1, the specific heat capacity of graphitic carbon is 0.709 J g-1 °C-1, and the density of water is 1.00 g mL-1.
◦ 31.1 °C
◦ 26.8 °C
◦ 28.6 °C
◦ 14.7 °C
◦ 34.0 °C

Question 2

Calculate the final temperature of a 63.7 g piece of palladium, originally at 100.0 °C, placed inside a coffee cup calorimeter containing 115.0 mL of water at 21.8 °C. The specific heat capacity of water is 4.184 J g-1 °C-1, the specific heat capacity of palladium is 0.246 J g-1 °C-1, and the density of water is 1.00 g mL-1.

◦ 26.0 °C
◦ 29.6 °C
◦ 24.3 °C
◦ 19.3 °C
◦ 32.8 °C

Title: Calculate the final temperature of a 63.7 g piece of palladium, originally at 100.0 C, placed inside ...
Post by: bulacsom on Nov 18, 2019

Answer 1

31.1 °C

Answer 2

24.3 °C

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