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ILL tungsten by 2 Suppose a sample of NaCl increased in temperature by 2.5 K when th. sample absorbed 1.7 x 10 J of energy as heat. Calculate the number of moles of NaCl if the molar heat capacity is 50.5 J/K•mol. vd bo

ILL tungsten by 2 Suppose a sample of NaCl increased in temperature by 2.5 K when th. sample absorbed 1.7 x 10 J of energy as heat. Calculate the number of moles of NaCl if the molar heat capacity is 50.5 J/K•mol. vd bo

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
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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2. Suppose a sample of NaCI increased in temperature by 2.5 K when the sample absorbed 1.7 x 10? J of energy as heat. Calculate the number of moles of NaCl if the molar heat capacity is 50.5 J/K•mol.
the joules ot cancel. q = (10.0 mol) q = 2085 J The answer should only have two sign as 2100 J or 2.1 × 10° J. Verify your results. needed to raise 10.0 mol Hg 7.5 K. PRACTICE LEM VING T 1 The molar heat capacity of tungsten is 24.2 J/K•mol. Calculate the energy as heat needed to increase the temperature of 0.40 mol of tungsten by 10.0 K. 2 Suppose a sample of NaCl increased in temperature by 2.5 K when the sample absorbed 1.7 x 10 J of energy as heat. Calculate the number of moles of NaCl if the molar heat capacity is 50.5 J/K•mol. 3 Calculate the energy as heat needed to increase the temperature of 0.80 mol of nitrogen, N2, by 9.5 K. The molar heat capacity of nitrogen is 29.1 J/K•mol. 4 A 0.07 mol sample of octane, C3H18, absorbed 3.5 × 10³ J of Calculate the temperature increase of octane if the molar heat capacity of octane is 254.0 J/K•mol. energy. m00)(lom 0.0S)
Transcribed Image Text:the joules ot cancel. q = (10.0 mol) q = 2085 J The answer should only have two sign as 2100 J or 2.1 × 10° J. Verify your results. needed to raise 10.0 mol Hg 7.5 K. PRACTICE LEM VING T 1 The molar heat capacity of tungsten is 24.2 J/K•mol. Calculate the energy as heat needed to increase the temperature of 0.40 mol of tungsten by 10.0 K. 2 Suppose a sample of NaCl increased in temperature by 2.5 K when the sample absorbed 1.7 x 10 J of energy as heat. Calculate the number of moles of NaCl if the molar heat capacity is 50.5 J/K•mol. 3 Calculate the energy as heat needed to increase the temperature of 0.80 mol of nitrogen, N2, by 9.5 K. The molar heat capacity of nitrogen is 29.1 J/K•mol. 4 A 0.07 mol sample of octane, C3H18, absorbed 3.5 × 10³ J of Calculate the temperature increase of octane if the molar heat capacity of octane is 254.0 J/K•mol. energy. m00)(lom 0.0S)
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