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Question 35 of 35
Draw the Lewis structure of acetonitrile (CH3CN) and then determine if the
molecule is polar or nonpolar.
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A) Nonpolar
B) Polar
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- om/ilrn/takeAssignment/takeCovalentActivity.do?locator=assignment-take [Review Topica [References] Creq Use the References to access important values if needed for this question. req Consider the following reaction: req COC,(g) cO(g)+ Cl½(g) req If 1.79×10 3 moles of COCI,(g), 0.470 moles of CO, and 0.287 moles of Cl, are at equilibrium in a 19.0 L container at 832 K, the value of the equilibrium constant, Ke, is req reqLv2 1 On x S Write electre X uzdLQYhAS) X G Predict the t X Periodic Tab X b Answered: [ X 0 mySigTau X M (no subject) X Electronega x + gagenow.com/ilrn/takeAssignment/takeCovalentActivity.do?locator=Dassignment-take OC [References] Consider the following reaction: H. H. Br Br C=C (g) + Br, (g) H-C-C-H (g) AH =-92 kJ H. H. H. H. 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. DCBr kJ/mol %3DOnl 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.
- 2Onl x S Write electro X O uzdLQYhAS x G Predict the X Periodic Tab X b Answered: [ X 0 mySigTau genow.com/ilrn/takeAssignment/takeCovalentActivity.do?locator=assignment-take [References] A compound, XF4, is 39.03% fluorine by mass. Identify the element X. What is the molecular structure of XF,?4 My D x D Logo X O Mail x e Regis X D Sign x HPE 4 X HPE 4 X HPE 4 X now.com/iln/takeAssignment/takeCovalentActivity.do?locator=assignment-take Be sure to specify states such as (aq) or (s). If a box is not needed leave it blank. If no reaction occurs leave all boxes blank and click on "submit". Write the balanced NET IONIC equation for the reaction that occurs when hydrobromic acid and sodium fluoride are combined. Use H30* instead of H*. This reaction is classified as A. Strong Acid + Strong Base B. Weak Acid + Strong Base C. Strong Acid + Weak Base D. Weak Acid + Weak Base The extent of this reaction is: Below 50% 50% Above 50% C. D. 100% 8 more group attempts remaining Previous Next Submit Answer Retry Entire Group Save and E 7:18 11/1/ prt sc delete home >>A\* OWLV2 | Assignment Course: CHM_103 FF OWLV2 | Online 1 X A ECC - WebMail E Sign In in Connect ps//east.cengagenow.com/ilm/takeAssignment/takeCovalentActivity.do?locator=assignment-take Use the References to access important values if needed for this question. 8A 1A H 2A 3A 4A SA 6A 7A He BCNO F Ne M38 18 28 Al Si P S CI Ar 68 7B Ge As Se At Rn The element nitrogen would be expected to form covalent bond(s) in order to obey the octet rule. Use the octet rule to predict the formula of the compound that would form between nitrogen and bromine , if the molecule contains only one nitrogen atom and only single bonds are formed. Formula: pt pt Submit Answer Try Another Version 10 item attempts remaining Previous Next 9:25 PM o search D 4) 12/14/2020 Prn Scr SysRq F5 F6 F8 F9 F10 F11 F12 Pause Delete Num Break Backspace 4. 5 7 8 9. Y U D F G H J K L Enter C V B N M < Shift
- The percent ionic character of a bond between elements A and B may be approximated by the expression %IN = 100[1 - e^(-1/4(XA - XB))], where XA and XB are the electronegavities for the respective elements. What is the the percent ionic character of the interatomic bonds for Fe2O3? What type of bonding would you expect in Fe2O3? Note: Use 1.8 for the electronegativity for Fe and 3.5 for the electronegativity for O.Bookmarks People Tab Window Help 令 91% D Thu 6:19 PN O Pearson MyLab and Mastering x Course Home S Will an ionic silicon atom be die x New Tab /course.html?courseld=16199100&OpenVellumHMAC=9337e6e78abba3e9c56d38b5a0922f5c#10001 CHEM 1300: Structure and Modelling in Chemistry - Fall 2020 Hi, veera se Home ssignment 3 (for credit) ectron Configurations: Rules and Principles > View Available Hint(s) Reset Help 3p 11 1 1 2p 3s 1 3d 1 1 4s 1 34 1 4 11 1 3p 1 2s 1 3s 4s Aufbau violation Hund violation Pauli violation Submit 1山T00 Aa MacBook Air 80 Apo F4 F7 F8 F9 F10 F3 F5On X S Write electro X uzdLQYhASX x G Predict the t X Periodic Tab X b Answered: [ X 0 how.com/ilrn/takeAssignment/takeCovalentActivity.do?locator=Dassignment-take [References] Use the following data to estimate AH for potassium bromide. 1 K(s) +Br2 (g) KBr(s) Lattice energy -671 kJ/mol Ionization energy for K 419 kJ/mol Electron affinity of Br -325 kJ/mol Bond energy of Br2 193 kJ/mol Enthalpy of sublimation for K 90. kJ/mol ΔΗ kJ/mol %3D
- iles Tab Window Help OWL X CICh x takeCovalentActivity.do?locator-assignment-take Submit Answer 2 Quiz 5.pdf 80 F3 94 Q 12 F4 [Review Topics] [References] Use the References to access important values if needed for this question. Potassium hydrogen phthalate is a solid, monoprotic acid frequently used in the laboratory to standardize strong base solutions. It has the unwieldy formula of KHC, H4O4. This is often written in shorthand notation as KHP. How many grams of KHP are needed to exactly neutralize 29.0 mL of a 0.402 M calcium hydroxide solution? grams KHC, H404 Mass= Retry Entire Group Math 122 Quiz 5.docx % 5 Para X tv i. 9 F5 & A ve X Wea Show All F12 X* OWlv2 | Online teaching and leax w.com/ilm/takeAssignment/takeCovalentActivity.do?locator=assignment-take (Relerences) This question has multiple parts. Work all the parts to get the most points. From the following list containing elements whose symbols start with the letter C, which are nonmetals? (Sclect all that apply) O Ca O Co O Cd O Cs O Ce O Om O Cu O Cf Submil b From the followine list containing elements whose symbols start with the letter C, which are main group element (Select all that apply) %23 (?) 米 4- 144 #3 $ 4 & 6 8. 6. Y6 , 7
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