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- 10 Periodic Tab X |b Answered: [ x 0 mySigTau x M M (no su Predict the t X S Write electrC X uzdLQYhAS X G w.com/ilrn/takeAssignment/takeCovalentActivity.do?locator=assignment-take [References] a. Write a Lewis structure that obeys the octet rule for the following species. Assign the formal charge for the central atom of XeO4. If multiple resonance structures exist, use one that does not involve an expanded valence. Formal charge: 3- b. Write a Lewis structure that obeys the octet rule for the following species. Assign the formal charge for the central atom of PO4. If multiple resonance structures exist, use one that does not involve an expanded valence. Formal charge:2RO; (aq) + 12 H* (aq) + 3 M (s) = RO(g)+ 3M²* (aq) + 6 H2O (1) E°rxn = 3.86 V. R: 5 valence e-, electronegativity of R = 3.3 M: 2 valence e-, electronegativity of M = 0.5 O and H represent Oxygen and Hydrogen (the known elements, with their known properties) All atoms follow the octet rule; except for Hydrogen which follows the duet rule. Does the above reaction favour the forward or reverse direction? If the concentration of RO; (ag) was reduced and What is the pH of this reaction? explain the reasons for your answers.on 6 t ered d out of g ion Consider structure (1) (shown immediately below). Which of the following (shown below structure I) is/are resonance structures of I? 1 Select one: NH A. 1 and 3 OB. 4 only OC. 2 only OD. 1 only E. 3 only I NH : ÖH 2 NH i NH NH CHRITER
- Which of the following is the correct setup and answer for the formal charge of nitrogen in NO3- ? Select one: a. FC = 5 - (3+2) = 0 b. FC = 5 - (4+1) = 0 c. FC = 4 - (3+0) = +1 d. FC = 5 - (4+0) = +1nl X S Write electro X 9 uzdLQYhAS) X GPredict the t X Periodic Tab X b Answered: [ X 0mySigTau x M (no subject) x Electronega ow.com/ilrn/takeAssignment/takeCovalentActivity.do?locator=Dassignment-take [References] The standard enthalpy of formation for HCI(g) is -92 kJ/mol. Use this and the values for the H-H and Cl-Cl bond energies to estimate the bond strength in HCI. Average Bond Energies (kJ/mol) H H 432 Cl-Cl 239 Bond strength = kJ/molOnl x S Write electro X uzdLQYhAS) X G Predict the x b Answered: [ X 0mySigTau 6 Periodic Tab X M (no subject) x Electronega X + enow.com/ilrn/takeAssignment/takeCovalentActivity.do?locator=Dassignment-take [References] Consider the following reaction: H. H. Br Br C3C (g) + Br, (g) H-C-C-H (g) AH =-92 kJ H. нн Estimate the carbon-bromine bond energy given that the C -C bond energy is 347 kJ/mol, the C C bond energy is 614 kJ/mol, and the Br Br bond energy is 193 kJ/mol. %3D DCBE kJ/mol H.
- 21 Onl x S Write electrc X uzdLQYhASX x G Predict thet X t x Periodic Tab x b Answered: x 0mySigTau X M (no subject) > genow.com/ilrn/takeAssignment/takeCovalentActivity.do?locator=Dassignment-take [References] Consider the following Lewis structure where E is an unknown element: :ö: 0-E-O :( What is a possible identity for element E? Predict the molecular structure (including bond angles) for this ion. Molecular shape is v with bond anglesDefine formal charge and explain how to calculate it. What is the purpose of the formal charge? Organic compounds are composed mostly of carbon and hydrogen but also may have oxygen, nitrogen, and/or halogens in the formula. Formal charge arguments work very well for organic compounds when drawing the best Lewis structure. How do C, H, N, O, and Cl satisfy the octet rule in organic compounds so as to have a formula charge of zero?Choose Lewis structures for the following. Choose all resonance structures where applicable. (Select all that apply.) a. NO₂ 01:0=№=0:1 olö-N-61 dö_i=0) dö=–6:] |8-N=81 ON 0: b. SCN | S=C—N [:S=C=N:] ol || S=C=N |:S—C=N:
- Which of the species below exhibits resonance? O'HCIO ОН NO CO2² * Previous No new data to save. Last checked at 1:49pmSpecify the formal charges (both sign and magnitude) on the atoms labeled a-c. H Ть с H3C-CH2-A-H | a 1) a b a :o: b! H3CS- -CH3 2) a b >The formal charge on sulfur in the following structure is: :0: || +1 -2 0. +2 IO O 0 E