For a reaction of the form A+B → C, the heat of reaction is AH=-56.00 kJ/mol....
At 25°C, the following heats of reaction are known: AH (kJ/mol 167.4 2CIF + 02 →Cl20 + F20 2ClF3 + 202 →Cl20+3F20 341.4 2F2 + 02 → 2F20 At the same temperature, calculate ΔH for the reaction: ClF + F2 → CIF3 -43.4 A. -217.5 kJ/mol B.-130.2 kJ/mol C. +217.5 kJ/mol ○ D.-108.7 kJ/mol E. none of these QUESTION 4 Consider the reaction: When a 12.9-g sample of ethyl alcohol(molar mass 46.07 g/mol) is burned, how much energy is released...
AH = 44.0 kJ/mol AS = 0.119 kJ/mol K The following reaction takes place at 120°C: H20(1) - H2O(g) Which of the following must be true? Select one: O a. Two of these O b. The reaction is not spontaneous O c The reaction is spontaneous. O d. AG = 0 e. AGO
IN ILLIULIOL JU_SUN/Lab%20Exams/CHEZ101%2... Submit Answer kJ/mol Tries 0/2 7. Consider the following reactions: A-B AH = 272 kJ C-B AH = 36 kJ What is AH for A C ? It is possible that your answer could be either positive or negative. If it is negative, you must include the "minus" sign. Enter your answer as a decimal number. k] Tries 0/2 Submit Answer 8. Consider the following reactions: A + 2B - C + D AH = -224 kJ...
2. Calculate AH (expressed in kJ/mol) for the following reaction based on the thermochemical information given: Na +Crce → NaCl AH ? Nas) + 2Cl2(g) → Nap + Cle AH = 230 kJ/mol Nag) + Cl → Na(+ Cl® AH = 147 kJ/mol Na(s) + Cl2(e) → NaCl) AH = -411 kJ/mol 3. Consider the reaction: 2HCl) + Ba(OH)2(aq) → BaCl(aq) + 2 H200 AH--118 kJ/mol a. Calculate the heat produced when 700.0 mL of 0.500 M HCl is mixed...
AG°= AH-TAS AG=AGº+RTinQ where R=8.314 J/mol K 1. Calculate AGº for the following reaction at 25 °C if AH°= -1854 kJ/mol; AS°= -236 J/mol K CH-COCH3(g) + 402(g) → 3C02(g) + 3H2O(1) 2. NH.NO, dissolving in water is a spontaneous process. As it dissolves, the temperature of the solution decreases. Based on this, what must the signs (positive or negative) of AG, AH, and AS be?
. For the reaction C(s)+O2(g) CO2(g), AH = -393.5 kJ/mol. What is the amount of heat (in kJ) produced during the combustion of 34.56 g of coal (pure carbon)? pec To abiod to yedmun Decide whether each of these reactinns is exothorm
Calculate the heat of formation for CaCO3(s) (kJ/mol) given that AH for the following reaction is +178 mole and instander enthalpies of formation: CaCO3(s) - CaO(s) + CO26) AHºf values (kJ/mol): CaO(s) = -635.1, CO2(g) = -393.5 Enter your answer as the nearest whole number with no units.
LUCIO C OVERS The heat of fusion AH, of benzene (CH) is 10.6 kJ/mol. Calculate the change in entropy AS when 21. g of benzene melts at 5.6 °C. Be sure your answer contains a unit symbol. Round your answer to 2 significant digits. 0 0 Do X 5 ?
When 0.0700 mol of a substance is added to 150.0 grams of an aqueous solution in a Styrofoam cup calorimeter, a chemical reaction occurs that causes the temperature of the solution to increase from 25.3 to 38.3 °C. Assume that the specific heat of the solution is 4.18 J/(g°C) and that the heat capacity of the calorimeter is negligible. Use this data to calculate the enthalpy change (in kJ/mol substance) for the chemical reaction +116 kJ/mol +3.80 kJ/mol -571 kJ/mol...
C-H bond BDE (kJ/mol) CH3-H 439 C2H:-H 422 (CH3)2 CH-H 414 (CH3)3 C-H 405 Table of Bond Dissociation Enthalpies C-X bond BDE (kJ/mol) X2 and HX bonds BDE (kJ/mol) CH3-C1 351 CI 247 CH-C1 355 НСІ 431 (CH3)2CH-C 355 (CH3)3C-CI 355 CH3 CH3 CH3CHCHCH3 CH3CHCH2CH3 + a Cl2 CI HCI Using the table of bond dissociation energies in the first part of this question: Calculate AH for this reaction. kJ/mol Overall, this reaction is CH3 CH3CHCHCH3 CH3 CH3CHCH2CH3 + b...