thermometer. A sample of aluminum, which has a specific heat capacity of 0.897 J'g.°C', is put into a calorimeter (see sketch at right) that contains 100.0 g of water. The aluminum sample starts off at 92.4 °C and the temperature of the water starts off at 15.0 °C. When the temperature of the water stops changing it's 23.2 °C. The pressure remains constant at 1 atm. insulated container water sample Calculate the mass of the aluminum sample. Be sure your answer is rounded to 2 significant digits. a calorimeter

thermometer. A sample of aluminum, which has a specific heat capacity of 0.897 J'g.°C', is put into a calorimeter (see sketch at right) that contains 100.0 g of water. The aluminum sample starts off at 92.4 °C and the temperature of the water starts off at 15.0 °C. When the temperature of the water stops changing it's 23.2 °C. The pressure remains constant at 1 atm. insulated container water sample Calculate the mass of the aluminum sample. Be sure your answer is rounded to 2 significant digits. a calorimeter

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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thermometer A sample of aluminum, which has a specific heat capacity of 0.897 Jg contains 150.0 g of water. The aluminum sample starts off at 90.9 °C and the temperature of the water starts off at 15.0 °C. When the temperature of the water stops changing it's 20.4 C. The pressure remains constant at 1 atm. "C is put into a calorimeter (soe skotch at right) that Insulated container water Calculate the mass of the aluminum sample. Be sure your answer is rounded to 2 significant digits. sample a calorimeter
thermometer. insulated container A sample of quartz, which has a specific heat capacity of 0.730 J-goC, is put into a calorimeter (see sketch at right) that contains 300.0 g of water. The quartz sample starts off at 90.0 °C and the temperature of the water starts off at 25.0 °C. When the temperature of the water stops changing it's 27.1 °C. The pressure remains constant at 1 atm. water Calculate the mass of the quartz sample. Be sure your answer is rounded to 2 significant digits. 0 x10 X ? a sample a calorimeter do F
A sample of glass, which has a specific heat capacity of 0.670·J·g−1°C−1, is put into a calorimeter (see sketch at right) that contains 100.0g of water. The glass sample starts off at 96.6°C and the temperature of the water starts off at 15.0°C. When the temperature of the water stops changing it's 21.7°C. The pressure remains constant at 1atm. Calculate the mass of the glass sample. Be sure your answer is rounded to the correct number of significant digits.
A 0.100 mole sample of CH4 reacts completely in a calorimeter having a heat capacity of 783 J/°C. The calorimeter contains 254 g of water. Determine the temperature increase of the calorimeter. CH4(g) + 202(g) → 2H20(g) + CO2(g) AH° = -802.3 kJ O a. 7.56°C O b. 10.2°C O c. 31.6°C O d.43.5°C O e. 4.35 x 10-3 °C
A sample of iron, which has a specific heat capacity of 0.449 J.g¹.°C¹, is put into a calorimeter (see sketch at right) that contains 100.0 g of water. The iron sample starts off at 98.2 °C and the temperature of the water starts off at 23.0 °C. When the temperature of the water stops changing it's 27.4 °C. The pressure remains constant at 1 atm. Calculate the mass of the iron sample. Be sure your answer is rounded to 2 significant digits. 1 g x10 X 5 thermometer. insulated container water sample a calorimeter
The heat capacity of an object depends on its mass and its composition. The heat capacity of one gram of a substance is called the Specific Heat. That is , specific heat is the amount of heat required to produce a change of 1ºC in exactly 1 g of substance. Liquid water has one of the highest specific heats known, 1 cal/g ºC or 4.184 J /g ºC . This specific heat, for example, is about 5 times as great as that of aluminum metal. Thus 1 cal of heat will increase the temperature of 1 g of aluminum by 5º C , but it raises the temperature of water by only 1ºC.
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