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- Indicate the polarity of the bond using partial charges (a) N--B (b) N--ODraw the Lewis structure for nitric acid (HNO₃). How many TOTAL equivalent likely resonance structures exist for HNO₃? +Is the H--O bond in water nonpolar covalent, polar cova-lent, or ionic? Define each term, and explain your choice.
- The lattice energy for the following compounds areshown below:NaCl -787 kJ/molLiF -1017 kJ/moWhich of the following statements must be true?A. The ionic bond between lithium and fluoride ions is weaker than between sodium and chloride.B. The distance between lithium and fluoride ions is smaller.C. The charge on the fluoride ion is greater than the charge on the chloride ion.D. Both B and C are true.A. Name the covalent compounds 1. B2Si 2. Cl2O5 3. PCl3 4. Cl2O 5. Si2Br6 6. F2O5 B. Name ionic compounds 1. NH4Cl 2. MgS 3. Fe(NO3)3 4. TiBr3 5. Cu3P 6. SnSe2 7. GaAs 8. Pb(SO4)2 9. Be(HCO3)2 10. Mn2(SO3)3 11. Al(CN)3 C. Using electronegative to determine polarity. (Include the equation and type of compound.)Which of the following incorrectly indicates the bond polarity of the bond shown? a. HF; on H, on F b. ClI; on Cl, on I c. SiS; on Si, on S d. NO; on N, on O Group of answer choices a d c b
- Consider lisinopril, a drug used primarily in the treatment of high blood pressure, heart failure, and after heart attacks. (a) Complete the Lewis structure of lisinopril, showing all valence electrons. (b) Use the valence-shell electron-pair repulsion (VSEPR) model (Section 3.10) to predict all bond angles in lisinopril. (c) Which is the most polar bond in lisinopril? (d) Is lisinopril polar or nonpolar? (e) Is lisinopril expected to possess resonance (Section 3.9)? Explain why or why not. (f) Name the various functional groups in lisinopril. (g) What is the molecular formula of lisinopril? (h) What intermolecular forces are expected to exist between molecules of lisinopril in close proximity to one another (Section 5.7)?Draw the Lewis structure for nitric acid (HNO₃). How many TOTAL likely resonance structures exist for HNO₃?Based on Linus Pauling's electronegativity scale, would H2S be considered a polar molecule? Pick the best answer. (a) No. It would technically be considered a non-polar molecule. (b) No. Even though it contains polar bonds they are symmetrical and therefore H2S is non-polar. (c) No. The electronegativity difference between H and S is so great that it would be considered an ionic compound. (d) H2S violates the octet rule and therefore would not even exist
- Draw the best Lewis structure of sulfate, explain why it's the best using formula charge. Show formula charge calculations.42) A)On paper draw the Lewis structure for SO3 b) what is the shape of this molecule ? c) is this molecule polar or non polar?30) How is polarity of a bond determined? a) by guessing b) by its placement on the periodic table c) by molecular shape d) by color e) by the difference in electronegativity between two elements in a bond
