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U Question 15 2 pts To what element does this condensed orbital diagram correspond? 11 1.1.1...
2 pts Question 16 Calculate the heat of the following reaction from the given bond energies. 2CH3CH3 + 702 + 4CO2 + 6H2O Bond Energies C-H: 350 C-C: 318 O=0:401 C=O: 717 O-H:4 to
QUESTION 2 Calculate the heat of reaction (energy of reaction) in kJ/mol for the following reaction. Mind the correct sign of your answer value! 2C2H6(g) + 702(g) —+ 4CO2(g) + 6H2O(g) Use the following bond energies for your calculation. UŻ OU Bond energies (kJ/mol) Bond Energy Bond Energy H-H 436 (-O 336 (-H 416 C=C 598 N-H 391 O=0 498 467 C=0 803 c-c 356 N=N 946 0-0 146 CEO 1073
4. On the basis of molecular orbitals and molecular orbital diagrams, predict which molecule in each series will have the longest bond. Be sure to provide a brief explanation a. B2, B2 b. 02*, 0,- c. HHe", Hz 5. Consider the hydroxide ion, OH and do the following: a. Prepare a molecular orbital diagram and fill with electrons given the following atomic orbital potential energies: O(2s) = -32.3 eV, O(2p) = -15.8 eV, H(s) -13.6 eV. Be sure to label...
Question 2 3 pts Write out the orbital diagram for beryllium and use it the answer the following questions: a) How many different s orbitals does this element have? b) How many occupied degenerate 2p orbitals does this element have? c) How many occupied degenerate 1s orbitals does this element have?
1) 2) 3) 4) 5) Use the molecular orbital energy diagram below to answer the questions about bond order for the negative ion By. Number of Bonding Number of Antibonding B2 Valence Electrons Valence Electrons Bond Order This corresponds to: A. Single bond B. Double bond C. Triple bond D. Half of a bond E. Between a single and double bond F. Between a double and a triple bond G. No bond, B2" does not form. boron MO's boron 2p...
Identify the elements denoted by the electron configurations shown below: 1) 1822s22p3s 3p 4s23d5 (0.5 pts) 2) 1s 2s 2p 3s 3p 4s23d104p (0.5 pts) 3) [Xe] 6s24f45d8 (0.5 pts) 4) Fill in the orbital diagram below for the element you identified in #1. (0.5 pts) 5) Determine which of the molecules below contain polar covalent bonds AND use the appropriate symbols to represent the positive and negative poles. (1 pt) a) H-Br b) 1 c) H-O-H d) NF: 6)...
Which element docs the orbital diagram represent: A. Fluorine B. Sodium C. Nitrogen D. Magnesium Which is the correct condensed electron configuration for the Al^3+ ion? A. [Ne] B. [Ne]3s^1 3p^1 C. [Ne]2s^23p^1 D. [Ar]3s^13p^1 Why does atomic radius generally decrease across a period (from left to right)? A. Z_eff is greater so outer electrons are drawn tighter B. Z_eff is smaller so outer electrons arc drawn tighter C. Z_eff is greater so inner electrons are drawn tighter D. Z_eff...
please answer question 6 using question 5 and the molecular orbital diagram given. 5) BEN B 2s-14.0s 2p-8.30 N 25-255la 2p-13 18 8.s01 111 13.18 E -14.051 The S p mua should be considered because the BN vere to be pa mikg Wauld change fram diamagaetic h paranetic As an aove wilh the ixking thare Ore ro uapaund electran whlk it t were to be m ovng tha Csp and he Wd Swtching causng th Tp to have upaised tlectrans...
question 1 2 3 4 5 6 Which are correct? In molecular orbital (MO) energy level diagram for cyanide ion? The MO shows: (a) bond order = 2 (b) bonder order =3 ) cyanide ion is paramagnetic ) cyanide ion is! diamagnetic (e) HOMO is nu HOMO is og (6%) (2) Write down the diatomic molecules 2p orbitals for (a), (b), (6%) (3) What is the bond order of (a) OF(b) to which atom ( O or F ) the...
A B 15.(0.8 pts) Consider the molecule at the right: (a) What is the hybridization at carbon labeled "A"? circle one: sp (b) What is the hybridization of carbon labeled "B? circle one: sp (c) How How many pi bonds are there ? many sigma bonds are there? (d) Which bond in the molecule is the shortest? circle one C-C C-O C-C O-H Which bond is the strongest? circle oneC-C C-0 С-С О-H 16. (0.8 pts) Write a chemical symbol...