CHM120H5 Final: CHM-110-notes

7) The IR spectrum shown below is most consistent with which structure? H,N CH, 8) A compound with the molecular formula CHoBrO gave the following 'H NMR spectrum: triplet, δ 1.4 quartet, δ 3.9 multiplet, δ 7.0 (4H) There was no evidence of an -OH band in the IR spectrum. compound is: A possible structure for the Br IV A) IB)II C) III D) IV E) V

The First Law (1) What is the general equation to calculate expansion work?P ア ab (2) How to calculate expansion when the external pressure is constant? (3) What is the equation to calculate expansion work when under reversible process? w-n·TIn (4) What process is designated as a reversible process? (5) What is state fupction, what is path fungign? (o) or V. T, w.q. U, H. S which of them are path functions7 Why? w e no tin (7) How to calculate the work under the reversible constant temperature process? (8) What is the first law? vEduta (9) For a normal gas, what is internal energy U composed of? (10) For an ideal gas, what is internal energy U composed or (11) Generally, U is the function of what two parameters? u o te t (12) For an ideal gas, U is only the function of what parameter? (13) For an ideal gas, how to calculate U if cuG are given? ︶ m 2 = e (14) What is the condition to apply the dU c dT equation for an ideal gas? (15) What is the condition to apply the dU- dT for a normal gas? (16) What is the condition to apply the dH = cp dT equation for an ideal gas? (17) What is the condition to apply the dH op dT for a normal gas? (18) What is the adiabatic process? (19) What is the definition of H? (20) What is the physical meaning of H? Why do we need to define H? (21) For the ideal gas, H is only the factor of what? How to justify? (22) For an ideal gas, how you can calculate ΔH, AU from each other when T is a constant?

SCANTRON NAME MAD the Lewis structures of the molecules below and use them to answer the following questions. ⠡. BeCl2 III SF 17. Which of the molecules obeys the octet rule? A) 1 B) II C) III D) IV E) v 18. How many of the molecules are non-polar? A) I B) 2 C) 3 D) 4 E) They are all polar. 19. Which of these molecules show resonance? A) I B) II C) III D) IV E) V 20. What is the 4Hnn(J) for the rection H2(g)+11g) → 2HI(p? The bond enthalpies for H H 1-1 and H-I are 436.4, 151.0 and 298.3 kJ/mol, respectively 21. The molecular geometry of OF2 is A) -9.2 B) +9.2 C)-289.1 D) +289.1 E) 0.0 A) pyramidal B) square planar C) bent D) trigonal planar E) octahedral 22. The hybridization of the central atom in O, is: C) D) dsp3 E) dsp