2. You have a two level system and three particles that occupy this system. The totalenergy is not fixed.EnergykgT2kgTMacrostate 1Macrostate 2Macrostate 3Macrostate 4Figure 2: A diagram of the three macrostates for the two level system. The bottom energylevel has energy S and the top energy level has energy(3)(a) Draw into Figure 2 the missing three macrostates.(4)(b) Determine the partition function, q, for this system.(Ь)

Answered: Image /qna-images/answer/b9a78453-44f6-4449-89ad-454dc8892e4b.jpg

Answered: 2. You have a two level system and…

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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The hypothetical element X and an oxide of X undergo the following reactions with oxygen, with the listed enthalpy changes: 4 X(5) + 3 02(g) – 2 X203(g) AHrxn = -400.0 kJ 4 XO2(g) – 2 X203(g) + O2(g) AHrxn - +200.0 kJ Using the above information, determine AHrxn for the following reaction: X(S) + O2g) – XO22) O -200.0 k) O -600.0 kJ O -150.0 k) O 200.0 kJ
app.101edu.co Question 20 of 27 If a system does 84.0 kJ of work on its surroundings and releases 105 kJ of heat, what is the change in the internal energy of the system, in kJ?
Consider the reaction 2H2+O2⟶2H2O Δ?rxn=−484 kJ Which answer best describes the transfer of heat that occurs when 1.70 mol H21.70 mol H2 reacts? A.) 823 kJ absorbed B.) 484 kJ released C.) 484 kJ absorbed D.) 823 kJ released E.) 411 kJ absorbed F.) 411 kJ released
Consider the following reaction. CH3OH(g) CO(g) + 2 H2(g) H = +90.7 kJ ((b) Calculate the amount of heat transferred when 40.0 g of CH3OH(g) are decomposed by this reaction at constant pressure.H = kJ(c) If the enthalpy change is 20.0 kJ, how many grams of hydrogen gas are produced? g(d) How many kilojoules of heat are released when 12.5 g of CO(g) reacts completely with H2(g) to form CH3OH(g) at constant pressure?H = kJ(e) Calculate E when 880.0 g of CH3OH(g) completely reacts at a constant temperature of 300 K and constant pressure of 0.95 atm. R = 8.314 J/mol*K and R = 0.08206 atm*L/mol*K kJ HopHelpCh5N1
A 1.70-mol sample of hydrogen gas is heated at constant pressure from 306 K to 414 K. (a) Calculate the energy transferred to the gas by heat. (Enter your answer to at least two decimal places.) kJ(b) Calculate the increase in its internal energy. (Enter your answer to at least two decimal places.) kJ(c) Calculate the work done on the gas. kJ
MISSED THIS? Read Section 7.6 (Pages 281- 284), Watch IWE 7.7 View Available Hint(s) Nitromethane (CH,NO2) burns in air to produce significant amounts of heat via the following reaction Hint 1. Calculate the number of moles of nitromethane 2CH,NO, (1) +O2(g)→ 2CO2(g) +3H,O(1) + N2(g) The value of AH is related to the balanced chemical equation by the number of moles of nitromethane. Calculate the number of moles of nitromethane in a 2.73-kg sample. AHn -1418 kJ Express your answer in moles. mol CH, NO2 44.72 Submit Previous Answers Request Answer X Incorrect; Try Again; 3 attempts remaining Convert the mass of nitromethane from kg to g. Then use the molar mass of nitromethane as a conversion factor to obtain a value in mol HA Value Units = b
A chemist measures the energy change AH during the following reaction: 2 NH;(g) - N(9)+3H,(9) AH=160, kJ Use the information to answer the following questions. O endothermic. This reaction is... O exothermic. Suppose 93.6 g of NH, react. O Yes, absorbed. O Yes, released. Will any heat be released or absorbed? O No. If you said heat will be released or absorbed in the second part of this question, calculate how much heat will be released or absorbed. Round your answer to 3 significant digits. Explanation Check 02021 McGraw Hill LLC. Al Rights Reserved Terms of Use Pivecy
A chemist measures the energy change AH during the following reaction: 2 HgO(s) → 2 Hg(1)+0,(9) AH=182. kJ Use the information to answer the following questions. endothermic. This reaction is... x10 exothermic. Suppose 61.0 g of HgO react. Yes, absorbed. Yes, released. Will any heat be released or absorbed? No. If you said heat will be released or absorbed in the second part of this question, calculate how much heat will be released or absorbed. |kJ Round your answer to 3 significant digits.
2- Calculate the total internal energy change (AU) for a system that loses 50 J of heat and gains 150 J of work performed on it by the surroundings.
||| O THERMOCHEMISTRY Calculating the heat of reaction from molar reaction enthalpy a... V A chemist measures the energy change AH during the following reaction: 2 H₂O(l) → 2 H₂(g) + O₂(g) Use the information to answer the following questions. This reaction is... Suppose 91.7 g of H₂O react. Will any heat be released or absorbed? If you said heat will be released or absorbed in the second part of this question, calculate how much heat will be released or absorbed. Round your answer to 3 significant digits. esc Explanation ← Check ΔΗ= 572. kJ → endothermic. exothermic. Yes, absorbed. O Yes, released. No. E kJ x10 X MacBook Pro Search or type URL 2022 McGraw Hill LLC. All F
A system gains 667 kJ667 kJ of heat, resulting in a change in internal energy of the system equal to +171 kJ.+171 kJ. How much work is done?
Calculate the internal energy change (ΔE) for a system undergoing an exothermic process in which 24.9 kJ of heat flows out of the system and where 13.6 kJ of work is done on the system. Show all work and units in your answer, Ex: (-12.4) + (-3.0) = -15.4 kJ.

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