Thermodynamics, Statistical Thermodynamics, & Kinetics
3rd Edition
ISBN: 9780321766182
Author: Thomas Engel, Philip Reid
Publisher: Prentice Hall
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Chapter 4, Problem 4.10NP
The following data are a DSC scan of a solution of a T4 lysozyme mutant. From the data determine
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Chapter 4 Solutions
Thermodynamics, Statistical Thermodynamics, & Kinetics
Ch. 4 - In calculating HR at 285.15 K, only the Hf of the...Ch. 4 - What is the point of having an outer water bath in...Ch. 4 - Is the following statement correct? If not rewrite...Ch. 4 - Does the enthalpy of formation of H2Ol change if...Ch. 4 - Why are elements included in the sum in Equation...Ch. 4 - Why are heat capacities of reactants and products...Ch. 4 - Prob. 4.7CPCh. 4 - Prob. 4.8CPCh. 4 - Prob. 4.9CPCh. 4 - Prob. 4.10CP
Ch. 4 - Prob. 4.11CPCh. 4 - Prob. 4.12CPCh. 4 - You wish to measure the heat of solution of NaCl...Ch. 4 - Prob. 4.14CPCh. 4 - Prob. 4.15CPCh. 4 - Prob. 4.16CPCh. 4 - Prob. 4.17CPCh. 4 - Dogs cool off in hot weather by panting. Write a...Ch. 4 - Prob. 4.19CPCh. 4 - Prob. 4.20CPCh. 4 - Given the data in Table 4.1 (Appendix, Data...Ch. 4 - Prob. 4.2NPCh. 4 - A sample of K(s) of mass 2.740 g undergoes...Ch. 4 - Calculate Hf for NO(g) at 975 K, assuming that the...Ch. 4 - Prob. 4.5NPCh. 4 - Derive a formula for HRT for the reaction...Ch. 4 - Prob. 4.7NPCh. 4 - Prob. 4.8NPCh. 4 - Calculate the standard enthalpy of formation of...Ch. 4 - The following data are a DSC scan of a solution of...Ch. 4 - Prob. 4.11NPCh. 4 - Prob. 4.12NPCh. 4 - Prob. 4.13NPCh. 4 - Prob. 4.14NPCh. 4 - Prob. 4.15NPCh. 4 - The total surface area of Asia consisting of...Ch. 4 - Prob. 4.17NPCh. 4 - A sample of Na2SO4s is dissolved in 225 g of water...Ch. 4 - Nitrogen is a vital component of proteins and...Ch. 4 - Prob. 4.20NPCh. 4 - Prob. 4.21NPCh. 4 - A 0.1429 g sample of sucrose C12H22O11 is burned...Ch. 4 - Prob. 4.23NPCh. 4 - Prob. 4.24NPCh. 4 - Prob. 4.25NPCh. 4 - Given the following heat capacity data at 298 K,...Ch. 4 - Calculate H for the process in which Cl2g...Ch. 4 - From the following data at 298.15 K C, calculate...Ch. 4 - Prob. 4.29NPCh. 4 - Use the average bond energies in Table 4.3 I to...Ch. 4 - Prob. 4.31NPCh. 4 - Prob. 4.32NPCh. 4 - Prob. 4.33NPCh. 4 - Prob. 4.34NPCh. 4 - Prob. 4.35NP
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- Benzoic acid, C6H5COOH, is a common standard used in bomb calorimeters, which maintain a constant volume. If 1.20 g of benzoic acid gives off 31, 723 J of energy when burned in the presence of excess oxygen and in a water bath having a temperature of 24.6 C, calculate q, w, H, and U for the reaction.arrow_forwardYou did an experiment in which you found that 59.8 J was required to raise the temperature of 25.0 g of ethylene glycol (a compound used as antifreeze in automobile engines) by 1.00 K. Calculate the specific heat capacity of ethylene glycol from these data.arrow_forwardWhat are the two ways that a final chemical state of a system can be more probable than its initial state?arrow_forward
- Would the amount of heat absorbed by the dissolution in Example 5.6 appear greater, lesser, or remain the same if the heat capacity of the calorimeter were taken into account? Explain your answer.arrow_forwardThe enthalpy of combustion of diamond is -395.4 kJ/mol. C s, dia O2 g CO2 g Determine the fH of C s, dia.arrow_forwardDetermine the standard Gibbs free energy change, rG, for the reactions of liquid methanol, of CO(g), and ofethyne, C2H2(g), with oxygen gas to form gaseous carbondioxide and (if hydrogen is present) liquid water at298 K. Use your calculations to decide which of thesesubstances are kinetically stable and which are thermodynamically stable: CH3OH(), CO(g), C2H9(g), CO2(g),H2O().arrow_forward
- Use the molar constant volume heat capacities for gases given in Topic 4C (as multiples for R) to estimate the change in reaction enthalpy of N2 (g) + 3 H2 (g) ---> 2 NH3 (g) when the temperture is increased from 300. K to 500. K. Ignore the vibrational contributions to heat capacity. Is the reaction more or less exothermic at the higher temperature? Atoms Linear Molecules Nonlinear Molecules Cv,m 3/2 R 5/2 R 3 R Cp,m 5/2 R 7/2 R 4 Rarrow_forwardHeat capacity data can be used to estimate the reaction enthalpy at one temperature from its value at another. Predict the standard reaction enthalpy of 2 NO2(g) → N2O4 (g) at 100 °C from its value at 25 °C.arrow_forward3.79 g of a gas (66.3 g mol-1) was dissolved in liquid water in a calorimeter with a calorimeter constant of 64.2 J K-1. Prior to mixing everything was equilibrated to 37.3 °C. The resulting solution with a mass of 81.9 g was observed to be at a temperature of 19.9 °C and have a specific heat capacity of 4.57 Jg-1 K-1. Determine q per mole for this dissolution process. Oa. 1.33 x 105 J/mol Ob. -7630 J/mol Oc. 1.96 x 106 J/mol Od. -1.71 x 106 J/mol Oe. 1.71 x 106 J/molarrow_forward
- calculate the differnce between the molar enthalpy and internal energy changes in the synthesis of ammonia at 298K N2(g)+3H2(g)= 2NH3(g)Harrow_forwardHere are some relevant excerpts from the tables of standard thermodynamic data: Substance ΔHfo(kJ/mol) H2O (l) -286 NO (g) 90 NO2 (g) 34 HNO3 (aq) -207 NH3 (g) -46 Find ΔHo in kJ of 4NH3(g) + 5 O2 (g) --> 4 NO (g) + 6 H2O (l) Question 15 options: -1540 kJ -1172 kJ -1892 kJ -150 kJarrow_forwardCalculate the heat of reaction at 500 K for the combustion of methane, CH4(g) + 2O2(g) → CO2(g) + 2H2O(g) by using the date on the temperature dependence of heat capacities.arrow_forward
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