None 5. Consider the following reaction4N2H3CH3(1) + 5N2O4(1) → 12H2O(l) + 9N2(g) + 4CO2(g) AH°=-4594kJCalculate AE° for the above reaction at 1.00 atm and 25°C.AE° (kJ) =Submit Answer Tries 0/2

Step 1: understanding concept Step 2: find the formula Step 3: put the values Step 4: get the…

Answered: 5. Consider the following reaction…

Chemistry: Principles and Reactions

8th Edition

ISBN:9781305079373

Author:William L. Masterton, Cecile N. Hurley

Publisher:William L. Masterton, Cecile N. Hurley

Chapter16: Spontaneity Of Reaction

Section: Chapter Questions

Problem 29QAP: Use standard entropies and heats of formation to calculate G f at 25C for (a) cadmium(II) chloride...

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Peanuts and peanut oil are organic materials and bum in air. How many burning peanuts does it take to provide the energy to boil a cup of water (250 mL of water)? To solve this problem, we assume each peanut, with an average mass of 0.73 g, is 49% peanut oil and 21% starch; the remainder is noncombustible We further assume peanut oil is palmitic acid, C16H32O2, with an enthalpy of formation of 848.4 kJ/mol. Starch is a long chain of C6H10O5 units, each unit having an enthalpy of formation of 960 kJ.
A student performing a calorimetry experiment combined 100.0 ml. of 0.50 M HCI and 100.0 ml. of 0.50 M NaOH in a StyrofoamTM cup calorimeter. Both solutions were initially at 20.0 C, but when the two were mixed, the temperature rose to 23.2 C (a) Suppose the experiment is repeated in the same calorimeter but this time using 200 mL of 0.50 M HCl and 200.0 ml of 0.50 M NaOH. WIII the AT observed be greater than, less than, or equal to that in the first experiment, and why? (b) Suppose that the experiment is repeated once again in the same calorimeter, this time using 100 mL of 1.00 M HCI and 100.0 ml. of 1.00 M NaOH. Will the T observed be greater than, less than, or equal to that in the first experiment, and why?
For the reaction BaCO3(s) BaO(s) + CO2(g), rG = +219.7 kJ/mol-rxn. Using this value and other data available in Appendix L, calculate the value of fG for BaCO3(s).
1. For the reaction 2 Hg(l) + O2(g) → 2 HgO(s), ∆rH° = 181.6 kJ/mol-rxn. What is the enthalpy change to decompose 1.00 mol of HgO(s) to O2(g) and Hg(l)? 3633 kJ −90.8 kJ 90.8 kJ 363.3 kJ
Given the thermochemical expression CaO(s) + 3C(s) CaC2(s) + CO(g) rH = 464.8 kJ/mol calculate the quantity of energy transferred when (a) 34.8 mol CO(g) is formed by this reaction. (b) A metric ton (1000 kg) of CaC2(s) is manufactured. (c) 0.432 mol carbon reacts with CaO(s).
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.
Use standard entropies and heats of formation to calculate G f at 25C for (a) cadmium(II) chloride (s). (b) methyl alcohol, CH3OH(l). (c) copper(I) sulfide (s).
← → C 11 app.101edu.co STARTING AMOUNT X 2 What is the change in enthalpy when 1.50 moles of H₂ are reacted with an excess O₂ of according to the following balanced chemical reaction: -381 mol H₂ ADD FACTOR x( ) 381 g 0₂ 2 -572 kJ Question 8 of 19 2 H₂(g) + O₂(g) → 2 H₂O(1) -429 ΔΗ = -572 kJ 1.50 g H₂O 32.0 1 ANSWER mol O₂ 429 2 mol H₂O RESET J 3 18.02 2.02 g H₂ M Update: Submit +
QUESTION 5 = fo From the following data at 25°C, H2(g) + Cl2(g) → 2HCI(g) AH = -185 kJ 2H2(g) + O2(g) → 2H2O(g) AH = - 483.7 kJ а. +299 kJ Calculate AHU at 25°C for the reaction below. b. -114 kJ с. -299 kJ 4HCI(g) + 02(g) → 2C12(g) + 2H20(g) d. +114 kJ е. -86.8 kJ D A (E B,
How much energy in kJ is required to decompose 765 g of PC13, according to the reaction below? (PCI3:137.32 g/mol) 20 - 4 PC|3(g) P4(s) + 6 Cl2(g) AH°rxn=+1207 kJ O A) 1681 O B) 5950 OC) 7016 D) 4582 E) 2310
Uing the standard heats of formation that follow, calculate the standard enthaipy change for the following reaction CH)- H0(g)-JH()+ CO) AH " O Species Alry(mo -74.5 HOD 2418 110.5 Check&Submt Amer Shew Apprh
E For the reaction 80 D 2NO(g) + 2H₂(g) N₂(g) + 2H₂O(1) AH = -752.2 kJ and AS° = -351.6 J/K The maximum amount of work that could be done when 1.61 moles of NO(g) react at 342 K, 1 atm is Assume that AH° and AS° are independent of temperature. Submit Answer $ 4 000 000 R F do L % 5 Use the References to access important values if needed for this question. Retry Entire Group 9 more group attempts remaining T Cengage Learning Cengage Technical Support G 6 Y H & 7 U * 8 J 1 ( 9 K 0 L 0 L P 7 kj. Previous Email Instructor Save and Exit 11 + L Next ? 11 } ]

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5. Consider the following reaction 4N2H3CH3(1) + 5N2O4(1) → 12H2O(l) + 9N2(g) + 4CO2(g) AH°=-4594kJ Calculate AE° for the above reaction at 1.00 atm and 25°C. AE° (kJ) = Submit Answer Tries 0/2