1) 745.48 KJ mol-1 or 178.173996 Kcal mol-1 ( First Ionisation enthalpy of Copper)
2) 1816.68 KJ mol-1 or 434.1969407 Kcal mol-1 ( Second Ionisation enthalpy of Aluminum)
These are the ionisation enthalpies of Cu an Al
1 pts Question 4 Match each chemical reaction with the energy associated with the reaction. [Select]...
answers will be available Uli Juu WULI LUU ** If any of the questions doesn't show well, switch your web browser to Google Chrome. © 2020 University of South Florida. All rights reserved. Evalua- 1 pts Question 7 sources d Collabo- Match each chemical reaction with the energy associated with the reaction. m Matrix 1) Cu(g) → Cut(g) + e second ionization energy 2) Al* (g) → A12+(8) + (Select] Next Previous
Question 4 15 pts Calculate the free energy change(in kJ) associated with the following redox reaction. 3 Cu?) + 2 ALC) 3 Cu() +2 Alt (Ecell = 2.00 V) (F = 96500 mm)
4 pts Question 6 The free energy diagram for this reaction hav[ Select ] transition state(s) and [Select) intermediat 3 Ü 13° Question 6 4 pts The free energy diagram for this reaction has (Select] + transition state(s) and ✓ Select] intermediate(s). + HS -
Question 3 1 pts Select the three best determinants for a chemical reaction to take place. The reactants are oriented correctly to allow interaction of reactive atoms The reactants are attracted to each other The collisions between atoms is occurring frequently There is enough energy available The reactants have opposite charge The reactants are higher energy than the products The reactants are both in the same phase (e.g. solid, liquid, gas) 1 pts Question 4 Calculate the rate of reaction...
Complete the following steps for each reaction below: a. Name the type of reaction that is occurring. b. State if the reaction is balanced. c. If the reaction is not balanced, write the complete balanced reaction. 1. CH4 (9) + O2(g) → CO2 (g) + H2O (9) + Energy a. b. 2. Ni20 (s) Ni (s) + O2 (g) a. b. c. 3. Al (s) + CuSO4 (aq) → Cu (s) + Alz(SO4)2 (aq) a. b. C. 4. Na2CO3 (aq)...
QUESTION 4 If chemical reaction (1) has a AH of 68 kJ associated with it, what is the AH of reaction (2) (1) N2(g) + 202(g) 2NO2(g) AH = 68 kJ - 3N2(g) + 602(g) NO2(g) AH = ? 0 -34 kJ 68 kJ 136 kJ 204 kJ
Question 6 3 pts Which term describes the energy that is associated with the relative positions of electrons and nuclei in atoms and molecules? thermal energy gravitational energy work kinetic energy chemical energy Question 7 3 pts 38 rxn For the decomposition reaction shown below of one mole of nitrosyl chloride, NOCI(g), AH, kJ/mol. What is the heat of reaction for the reverse reaction? NOCI(g) → NO(g) + Cl2(g) 62 kJ/mol -38 kJ/mol 38 kJ/mol 100. kJ/mol 76 kJ/mol
Question 13 1 pts A chemical system with a large equilibrium constant is usually associated with negative values of A Gº. Which description of this system is correct? The forward reaction is spontaneous and mostly products are present. The forward reaction is spontaneous and mostly reactants are present. The reverse reaction is spontaneous and mostly reactants are present The reverse reaction is spontaneous and mostly products are present. At equilibrium, equal amounts of reactants and products are present. At equilibrium...
Which equation is associated with the third ionization energy of aluminum? Al2+(g) → Al3+(g) + e- Al(g) + 3e- → Al3-(g) Al(g) → Al3+(g) + 3e- Al3+(g) → Al(g) + 3e-
Question 4 1 pts The rate of a certain chemical reaction is found to increase by the factor 17 from 84.7 °C to 131.7 °C. What is the activation energy (in J/mol) for this reaction?