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QUESTION 8 Determine the specific heat capacity of an alloy that requires 69.3 kJ to raise the temperature of 150.0 g alloy from 298 K to 398 K. 4.62 J/g°C 7.00 J/g °C 2.20 J/g°C 1.79 J/g °C 2.80 J/g °C

QUESTION 8 Determine the specific heat capacity of an alloy that requires 69.3 kJ to raise the temperature of 150.0 g alloy from 298 K to 398 K. 4.62 J/g°C 7.00 J/g °C 2.20 J/g°C 1.79 J/g °C 2.80 J/g °C

Chemistry
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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288 K 133 K 377 K 187 K 389 K QUESTION 8 Determine the specific heat capacity of an alloy that requires 69.3 kJ to raise the temperature of 150.0 g alloy from 298 K to 398 K. O 4.62 J/gºC 7.00 J/g°C 2.20 J/g°C 1.79 J/g°C 2.80 J/g°C QUESTION 9 Hydrogen peroxide decomposes to water and oxygen at constant pressure by the following reaction: 2 H₂O2(1)→ 2 H₂O(l) + O2(g) AH = -196 kJ Calculate the value of q (kJ) in this exothermic reaction when 4.00 g of hydrogen peroxide decomposes at constant pressure. -0.0217 kJ -2.31 × 104 kJ -23.1 kJ O -11.5 kJ 1 44 kl
Transcribed Image Text:288 K 133 K 377 K 187 K 389 K QUESTION 8 Determine the specific heat capacity of an alloy that requires 69.3 kJ to raise the temperature of 150.0 g alloy from 298 K to 398 K. O 4.62 J/gºC 7.00 J/g°C 2.20 J/g°C 1.79 J/g°C 2.80 J/g°C QUESTION 9 Hydrogen peroxide decomposes to water and oxygen at constant pressure by the following reaction: 2 H₂O2(1)→ 2 H₂O(l) + O2(g) AH = -196 kJ Calculate the value of q (kJ) in this exothermic reaction when 4.00 g of hydrogen peroxide decomposes at constant pressure. -0.0217 kJ -2.31 × 104 kJ -23.1 kJ O -11.5 kJ 1 44 kl
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