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20. Which compound is an exception to the octet rule? de ASCI₃ B. CHCI: C. SO2...
64. The Lewis formula of which species does not represent an exception to the octet rule?...
64. The Lewis formula of which species does not represent an exception to the octet rule? A) SiF5- B) SCl6 C) SF4 D) BF3 E) CF3-
20)Which compound will have the highest surface tenssonr (Awater B) gasoline C) chloroform, CHCI cooking oil 21) Ch...
20)Which compound will have the highest surface tenssonr (Awater B) gasoline C) chloroform, CHCI cooking oil 21) Choosing from the intermolecular forces listed, which is the strongest? ATdispersion forces (London or Van der Wals) B) dipole-dipole forces hydrogen bonding PrX-forces rdelta forces ONF 22hWhich compound has the highest boiling point based on its intermolecular forces? AIOCH CHOH BTCH,CH CI HSH CH,CH,CH 23) In the following heating curve, what state is the water at point D? E) so0C (B Time )...
10. Which of the following does not obey the octet rule? a) PCI b) H0 c)...
10. Which of the following does not obey the octet rule? a) PCI b) H0 c) NH, d) CCI, 11. Which one of the following is the most polar a) H-F b) H-CI c) H- Br d) H-
1. Which one of the following is most likely to be an ionic compound? A) CaCl2...
1. Which one of the following is most likely to be an ionic compound? A) CaCl2 B) CO2 C) CS2 D) SO2 E) OF2 2. Which one of the following ionic solids would have the largest lattice energy? A) NaCl B) NaF C) CaBr2 D) CsI E) CaCl2 3. Calculate the energy change for the reaction K(g) + I(g) → K+(g) + I – (g) given the following ionization energy (IE) and electron affinity (EA) values. IE K: 419 kJ/mol...
please explain all 18. Which choice contains a set of isoelectronic species? A. O?-and Nat B....
please explain all
18. Which choice contains a set of isoelectronic species? A. O?-and Nat B. 02- and S? C. 02- and F2 D. 02- and P3-only 19. What element is represented by the electron configuration 1s22s22p“3s 3p3? Α. Ρ '.' B. S C. Si D. As 20. How many single bonds, double bonds and lone pairs are predicted on the nitrogen atom for ONCI (Nitrogen is the central element, so the skeleton can be visualized in the order O-N-CI)?...
[20]. Which of the following compound is expected to show a strong absorption at 1720 cm1...
[20]. Which of the following compound is expected to show a strong absorption at 1720 cm1 in the IR spectrum [21]. Which of the following compounds gives only three peaks in the 1BC NMR spectrum (A) o-dimethylbenzene (B) m-dimethylbenzene (C) p-dimethylbenzene (E) 1,2,4-trimethylbenzene (D) 1,2,3-trimethylbenzene 122] H NMR coupling in the underlined proton is: CHs H3C-CH2-CH-OCH3 (A) d (B)t O,q (D)q (Bd,t
Please answer all (A) Enantiomers (B) Diastereomers (C Same Compound (D)Constitutional Isomers (E) meso-compound 5. Which...
Please answer all
(A) Enantiomers (B) Diastereomers (C Same Compound (D)Constitutional Isomers (E) meso-compound 5. Which Newman projection represents the most stable conformation of (CH)CHCHCH,)? HyC (A) 6 Which of the following energy diagrams shows a concerted endothermic reaction? 7. Identify the IV (E) V (A) (B) II (C III (D)IV 8. Which compound below has a meso form? A. 1,22 -dichlorobutane butane B. 1,3- dichloro C. 2,3 -dichlo D. 1,4- dichlorobutane 9. Which of the following is the strongest...
3. Which is the correct electron configuration for a nitrogen atom? A) 1s22s22p B) 1s22s22pl C)...
3. Which is the correct electron configuration for a nitrogen atom? A) 1s22s22p B) 1s22s22pl C) 1s22s22p4 D) 1s22s22p3 E) [He]2s22p5 4. Which is the correct electron configuration for an oxide ion? A) 1s22s22p3 B) 1s22s22pl C) 1s22s22p6 D) 1s22s23s2 E) 1s22s22p2 5. Every orbital in a subshell is singly occupied with one electron before an doubly occupied, and all electrons in singly occupied orbitals have the sam describes A) Planck's constant B) Heisenberg Uncertainty Principle C) Pauli Exclusion Principle...
please help... ignore the written work 1) Which compound gives the following spectra? For the 'H-NMR...
please help... ignore the written work
1) Which compound gives the following spectra? For the 'H-NMR assign all signals. Interpret mol peak and base peak in the mass spectrum if a mole peak exists. Assign at least two "c signals. How does the IR spectrum support your findings? (12 pts.) s, 4 H s, 3 H t, 3 H q, 2h s, 1 H 2 1 6 5 4 7 8 11 10 ppm esce 100- 80 40 20 150...
Which word best describes rule of conduct? 1. a. Ethics b. Morals c. Personal ethics d....
Which word best describes rule of conduct? 1. a. Ethics b. Morals c. Personal ethics d. Professional ethics 2. With regard to medical ethics, which term means a moral obligation to treat patients fairly and give them what is due to them. Reparation b. Veracity a. The p c. Justice d. Beneficence whet Liver d ry o Which of the following terms best describes promoting health in patients and assisting patients to 3. recover from illness. a. Nonmaleficence b. Beneficence...
20)Which compound will have the highest surface tenssonr (Awater B) gasoline C) chloroform, CHCI cooking oil 21) Choosing from the intermolecular forces listed, which is the strongest? ATdispersion forces (London or Van der Wals) B) dipole-dipole forces hydrogen bonding PrX-forces rdelta forces ONF 22hWhich compound has the highest boiling point based on its intermolecular forces? AIOCH CHOH BTCH,CH CI HSH CH,CH,CH 23) In the following heating curve, what state is the water at point D? E) so0C (B Time )...
10. Which of the following does not obey the octet rule? a) PCI b) H0 c) NH, d) CCI, 11. Which one of the following is the most polar a) H-F b) H-CI c) H- Br d) H-
please explain all
18. Which choice contains a set of isoelectronic species? A. O?-and Nat B. 02- and S? C. 02- and F2 D. 02- and P3-only 19. What element is represented by the electron configuration 1s22s22p“3s 3p3? Α. Ρ '.' B. S C. Si D. As 20. How many single bonds, double bonds and lone pairs are predicted on the nitrogen atom for ONCI (Nitrogen is the central element, so the skeleton can be visualized in the order O-N-CI)?...
[20]. Which of the following compound is expected to show a strong absorption at 1720 cm1 in the IR spectrum [21]. Which of the following compounds gives only three peaks in the 1BC NMR spectrum (A) o-dimethylbenzene (B) m-dimethylbenzene (C) p-dimethylbenzene (E) 1,2,4-trimethylbenzene (D) 1,2,3-trimethylbenzene 122] H NMR coupling in the underlined proton is: CHs H3C-CH2-CH-OCH3 (A) d (B)t O,q (D)q (Bd,t
Please answer all
(A) Enantiomers (B) Diastereomers (C Same Compound (D)Constitutional Isomers (E) meso-compound 5. Which Newman projection represents the most stable conformation of (CH)CHCHCH,)? HyC (A) 6 Which of the following energy diagrams shows a concerted endothermic reaction? 7. Identify the IV (E) V (A) (B) II (C III (D)IV 8. Which compound below has a meso form? A. 1,22 -dichlorobutane butane B. 1,3- dichloro C. 2,3 -dichlo D. 1,4- dichlorobutane 9. Which of the following is the strongest...
3. Which is the correct electron configuration for a nitrogen atom? A) 1s22s22p B) 1s22s22pl C) 1s22s22p4 D) 1s22s22p3 E) [He]2s22p5 4. Which is the correct electron configuration for an oxide ion? A) 1s22s22p3 B) 1s22s22pl C) 1s22s22p6 D) 1s22s23s2 E) 1s22s22p2 5. Every orbital in a subshell is singly occupied with one electron before an doubly occupied, and all electrons in singly occupied orbitals have the sam describes A) Planck's constant B) Heisenberg Uncertainty Principle C) Pauli Exclusion Principle...
please help... ignore the written work
1) Which compound gives the following spectra? For the 'H-NMR assign all signals. Interpret mol peak and base peak in the mass spectrum if a mole peak exists. Assign at least two "c signals. How does the IR spectrum support your findings? (12 pts.) s, 4 H s, 3 H t, 3 H q, 2h s, 1 H 2 1 6 5 4 7 8 11 10 ppm esce 100- 80 40 20 150...
Which word best describes rule of conduct? 1. a. Ethics b. Morals c. Personal ethics d. Professional ethics 2. With regard to medical ethics, which term means a moral obligation to treat patients fairly and give them what is due to them. Reparation b. Veracity a. The p c. Justice d. Beneficence whet Liver d ry o Which of the following terms best describes promoting health in patients and assisting patients to 3. recover from illness. a. Nonmaleficence b. Beneficence...
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