1. Unit conversion lang! From the Equipartition Theorem and Dulong-Petit Law, compute the specific heat capacity [] at constant volume of the following substances: a.) oxygen (O₂) gas, b.) argon (Ar) gas, and c.) solid lead (Pb). Use the following values for constants: R = 8.31[K], Mo₂ 32.0[g/mol], MAr = 39.9[g/mol], Mp=207.2[g/mol]. J Answer: (a) co₂² (b) CAr= (c) cpb [K] ] 5/ 15 =

1. Unit conversion lang! From the Equipartition Theorem and Dulong-Petit Law, compute the specific heat capacity [] at constant volume of the following substances: a.) oxygen (O₂) gas, b.) argon (Ar) gas, and c.) solid lead (Pb). Use the following values for constants: R = 8.31[K], Mo₂ 32.0[g/mol], MAr = 39.9[g/mol], Mp=207.2[g/mol]. J Answer: (a) co₂² (b) CAr= (c) cpb [K] ] 5/ 15 =

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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4b. Combustion of 3.500 g of butane gas (C4H10; Mm = 58.12 g/mol) causes a temperature rise (AT) of 29.09°C in a constant-pressure calorimeter that has a heat capacity (C,) of 5.500 kJ/°C. o Use calorimetry to calculate the heat (q,) released by the combustion of 3.500 g of butane gas in the calorimeter Яр [ Select ] kJ / 3.500 g of C4H10 o Use the heat (qp) released by the combustion of 3.500 g of butane gas, calculated in part (a) to calculate the change in enthalpy (AHrxn) for the following reaction. (for 1 mole of butane gas): C4H10(9) + 13/2 02(9) → 4 CO2(9) + 5 H20(g) AHrxn [ Select ] kJ / mol of C4H10 • Use the heats of formation (AH¢°) to calculate the change in enthalpy (AHrxn) for the same reaction. (for 1 mole of butane gas): Heats of Formation: CO2 (g) - A H°f = -393.5 kJ/mol H2O(g) - A H°f = -241.8 kJ/mol O2 (9) - A H°f 0.0 kJ/mol C4H10 (g) - A H°f = -125.6 kJ/mol C4H10(g) + 13/2 02(g) → 4 CO2(9) + 5 H20(g) ΔΗη [ Select ] kJ / mol of C4H10
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