Please help with 7,8,&9 2.2880 J3. How much heat is required to raise the temperature of 54.5g of PC13 from 18.6°C toCp PC13=0.874 J/g °C79.1°C?4.Why is water an excellent material to use in the calorimeter?5.145 JHow much heat is required to raise the temperature of 8.787g of CCl4 from 37.1°C to56.4°C? Cp CCl4 = 0.856 J/g °C155,000 JHow much heat is required to raise the temperature of 7.90 x 102g of water from38.4°C to 85.4°C? Cp H₂O (1) = 4.184J/g °C6.If a piece of aluminum with a mass of 2.39g and a temperature of 100.0°C is droppedinto 10.0cm³ of water at 14.1°C, what will be the final temperature of the system?(Use 1.00g/cm³as the density of water.)Cp Al=0.900J/g °C18.3°C7.If a piece of cadmium (Cd) with a mass of 75.2g and a temperature of 100.0°C isdropped into 25.0g of water at 23.0°C, what will be the final temperature of thesystem? Cp Cd = 0.230J/g °C34.0°CPROCEFillMe1.8.A piece of unknown metal with a mass of 5.19g is heated to 100.00°C and droppedinto 10.0mL of water at 22.00°C. The final temperature of the system is 23.83°C. Whatis the specific heat of the metal?0.193 J/g °C2.9.A piece of an unknown metal with a mass of 23.8g is heated to 100.0°C and droppedin 50.0g of water at 24.0°C. The final temperature of the system is 32.50°C. What is thespecific heat of the metal?1.1 J/g °C3.4.AtemPCr5.6.7.8C

Answered: Image /qna-images/answer/b1abfaba-16b6-4776-8f92-5dd6e7dc598e.jpg

7. If a piece of cadmium (Cd) with a mass of 75.2g and a temperature of 100.0°C is dropped into 25.0g of water at 23.0°C, what will be the final temperature of the system? Cp Cd = 0.230J/g °C itor or 34.0°C 8. A piece of unknown metal with a mass of 5.19g is heated to 100.00°C and dropped into 10.0mL of water at 22.00°C. The final temperature of the system is 23.83°C. What is the specific heat of the metal? 0.193 J/g °C 9. A piece of an unknown metal with a mass of 23.8g is heated to 100.0°C and dropped in 50.0g of water at 24.0°C. The final temperature of the system is 32.50°C. What is the specific heat of the metal? 1.1 J/g °C 7. 8

7. If a piece of cadmium (Cd) with a mass of 75.2g and a temperature of 100.0°C is dropped into 25.0g of water at 23.0°C, what will be the final temperature of the system? Cp Cd = 0.230J/g °C itor or 34.0°C 8. A piece of unknown metal with a mass of 5.19g is heated to 100.00°C and dropped into 10.0mL of water at 22.00°C. The final temperature of the system is 23.83°C. What is the specific heat of the metal? 0.193 J/g °C 9. A piece of an unknown metal with a mass of 23.8g is heated to 100.0°C and dropped in 50.0g of water at 24.0°C. The final temperature of the system is 32.50°C. What is the specific heat of the metal? 1.1 J/g °C 7. 8

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

Chapter6: Thermochemistry

Section: Chapter Questions

Problem 64E: A 110.-g sample of copper (specific heat capacity = 0.20 J/C g) is heated to 82.4C and then placed...

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