Which of the following is TRUE about the 1st Law of Thermodynamics? Select one: O a. It states that all reactions tend to minimize energy O b. It states that energy is an extensive property O c. It states that total energy is conserved in an isolated system O d. It states that energy is a state function What is the AH° rxn for the production of propane, C3H8, given the following reaction enthalpies: AH°(combustion of propane) = -2219.9 kJ AH° + CO₂(g)= -393.5 kJ ΔΗ° , H2O(Ι)= −285.8 kJ Select one: O a. Approx. +0.1040 x 10³ kJ O b. Approx. -0.1040 x 10³ kJ O c. Approx. +1.325 x 10³ kJ O d. Approx. +1.541 x 10³ kJ

Which of the following is TRUE about the 1st Law of Thermodynamics? Select one: O a. It states that all reactions tend to minimize energy O b. It states that energy is an extensive property O c. It states that total energy is conserved in an isolated system O d. It states that energy is a state function What is the AH° rxn for the production of propane, C3H8, given the following reaction enthalpies: AH°(combustion of propane) = -2219.9 kJ AH° + CO₂(g)= -393.5 kJ ΔΗ° , H2O(Ι)= −285.8 kJ Select one: O a. Approx. +0.1040 x 10³ kJ O b. Approx. -0.1040 x 10³ kJ O c. Approx. +1.325 x 10³ kJ O d. Approx. +1.541 x 10³ kJ

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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Topics] [References] Use the References to access important values if needed for this question. A scientist measures the standard enthalpy change for the following reaction to be -754.2 kJ: 2CO(g) + 2NO(g) → 2CO2(g) + N₂ (9) Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of NO(g) is kJ/mol. $ 4 R Submit Answer F Species AH (kJ/mol) CO₂(g) N₂ (9) 14 V CO(g) %6 5 T G -393.5 0.0 -110.5 Retry Entire Group tv SIA B MacBook Air FO 6 C 9 more group attempts remaining Y H & 7 N F7 U J 8 M DII FO - ( 9 K H lo O I ) O L F10 P A. || : ¡ n F11 Previous + [ command option = 11 1 Next Save and Exit 4) F12 TA delete re