Homework Answers
Correct options: CO32-and O3
Ozone and carbonate ions have equivalent resonance structures. Hence, they can not be adequately described with a single Lewis structure
Lewis structures of ozone:
.
Lewis structures of carbonate anion:
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Chapter 8 Homework sanea ana Give Up Hint /2500 Check Answer Resources gnment Score: estion 19...
cve Up Resources Hint gnment Score: 1879/2500 Check Answer estion 22 of 25 For each reaction, identify another quan...
cve Up Resources Hint gnment Score: 1879/2500 Check Answer estion 22 of 25 For each reaction, identify another quantity that is equal to AHia Co,() + 2 H,O( ) CH,(g)C(g) +4 H(g) CH,(g)+20,(g) O enthalpy of combustion of CH O enthalpy of formation of C(g) O enthalpy of formation of CO,(g) O enthalpy of combustion of CH O 4X bond energy of C-H 4 x bond energy of C-H O -4x bond energy of C-H O-4x bond energy of C-H...
gnment Score: 200/1800 Resources Give Up? Feedback Resume estion 3 of 18 > Attempt Z Vrite...
gnment Score: 200/1800 Resources Give Up? Feedback Resume estion 3 of 18 > Attempt Z Vrite the balanced net ionic equation for the reactions that occur when the given aqueous solutions are mixed. Include the hysical states. , copper(II) sulfate, CuSO, and potassium hydroxide, KOH 47 CuOH+ KSO t ionic equation: CuSO4 + KOH lithium carbonate, Li,CO3, and aluminum nitrate, Al(NO3)3 6LINO3 + Al,(CO,) tionic equation: 3Li2CO3 + 2A1(NO,) odium phosphate, Na,PO4, and barium chloride, BaCl, help contact us terms...
-LEHMAN> Activities and Due Dates HW 15 Acids and Bases C Give Up? Hint gnment Score:...
-LEHMAN> Activities and Due Dates HW 15 Acids and Bases C Give Up? Hint gnment Score: 1177/1400 Resources estion 14 of 14> By titration, it is found that 28.5 mL of 0.127 M NaOH(aq) is needed to neutralize 25.0 mL of HCl(aq). Calculate the concentration of the HCl solution. HCl concentration: м ACTIvat Question Source: MRG-General Chem about us careers pacypolic terma of use contact
Chapter 8 3 Heidi Horslund - 19 - MUDALIGE > Activities and Due Dates > Chapter 8 Check Answer Hint Resources...
Chapter 8 3 Heidi Horslund - 19 - MUDALIGE > Activities and Due Dates > Chapter 8 Check Answer Hint Resources 493/2900 ment Score: estion 6 of 29 > Answer Bank 1401 solid only gas only solid and liquid liquid and gas Temperature (°C) liquid only 120 160 200 240 40 80 280 320 Heat (J) terms of use contact us help about us Careers privacy policy
Assignment Score: 1879/2500 Resources by Give Up? Hint Check Answer Question 24 of 25 > Predict...
Assignment Score: 1879/2500 Resources by Give Up? Hint Check Answer Question 24 of 25 > Predict whether the following reactions will be exothermic or endothermic. Reaction A. N (9) + 3H2(g) — 2NH3(g) Reaction B. S(g) + O2(g) - SO,(g) Reaction C. 2H,0(g) — 2H,(9) +0,(9) Reaction D. 2F(8) - 5,() Bond H-H NEN O.O F-F H-N H-O AH°(kJ/mol) 432 942 494 155 386 459 S=0 522 Which reaction(s) are endothermic? Which reaction(s) are exothermic? OA OA OB oc OB...
Assignment Score: 1283/2500 Resources aveusz Hint Check Answ < Question 14 of 25 > For each compound, determi...
Assignment Score: 1283/2500 Resources aveusz Hint Check Answ < Question 14 of 25 > For each compound, determine the direction of bond polarity. Leave the box blank for a nonpolar bond. Br-Br H-CI F-CH Answer Bank about us Careers privacy policy terms of use contact us help
looking for the net charge for that lewis structure Assignment score: 50095800 Resources Lx Give Up?...
looking for the net charge for that lewis structure
Assignment score: 50095800 Resources Lx Give Up? Question 21 of 38 > What is the net charge on the species? about us Careers privacy policy terms of use contact us help
gnment Score: C Give Up? EFeedback 1149/2600 Resources Try Again uestion 9 of 26 OAttempt 4...
gnment Score: C Give Up? EFeedback 1149/2600 Resources Try Again uestion 9 of 26 OAttempt 4 Write a chemical equation representing the second ionization energy for lithium. Use e as the symbol for an electron. chemical equation: Li +Li+e about us careers privacy policy terms of use contact us help MacBook Air
5-018) - Fall 19.GUITON > Activities and Due Dates > HW 815 gnment Score: 1662/1800 Resources...
5-018) - Fall 19.GUITON > Activities and Due Dates > HW 815 gnment Score: 1662/1800 Resources Give Up? Feedback Resume aestion 8 of 18 > Attempt 2 - A ground state hydrogen atom absorbs a photon of light having a wavelength of 93.03 nm. It then gives off a photon having a wavelength of 1005 nm. What is the final state of the hydrogen atom? Values for physical constants can be found in the Chempendix. n = 1.05 Question Source:...
Assignment Score: 195/1800 Resources CX Give Up? Hint Check Answer Question 2 of 18 > Attempt...
Assignment Score: 195/1800 Resources CX Give Up? Hint Check Answer Question 2 of 18 > Attempt 2 The length of a pencil is measured with two rulers. Report the length of the pencil from each ruler with the proper number of digits. Ruler A: dm Ruler B: about us Careers privacy policy terms of use contact us help ^ - A do 12
cve Up Resources Hint gnment Score: 1879/2500 Check Answer estion 22 of 25 For each reaction, identify another quantity that is equal to AHia Co,() + 2 H,O( ) CH,(g)C(g) +4 H(g) CH,(g)+20,(g) O enthalpy of combustion of CH O enthalpy of formation of C(g) O enthalpy of formation of CO,(g) O enthalpy of combustion of CH O 4X bond energy of C-H 4 x bond energy of C-H O -4x bond energy of C-H O-4x bond energy of C-H...
gnment Score: 200/1800 Resources Give Up? Feedback Resume estion 3 of 18 > Attempt Z Vrite the balanced net ionic equation for the reactions that occur when the given aqueous solutions are mixed. Include the hysical states. , copper(II) sulfate, CuSO, and potassium hydroxide, KOH 47 CuOH+ KSO t ionic equation: CuSO4 + KOH lithium carbonate, Li,CO3, and aluminum nitrate, Al(NO3)3 6LINO3 + Al,(CO,) tionic equation: 3Li2CO3 + 2A1(NO,) odium phosphate, Na,PO4, and barium chloride, BaCl, help contact us terms...
-LEHMAN> Activities and Due Dates HW 15 Acids and Bases C Give Up? Hint gnment Score: 1177/1400 Resources estion 14 of 14> By titration, it is found that 28.5 mL of 0.127 M NaOH(aq) is needed to neutralize 25.0 mL of HCl(aq). Calculate the concentration of the HCl solution. HCl concentration: м ACTIvat Question Source: MRG-General Chem about us careers pacypolic terma of use contact
Chapter 8 3 Heidi Horslund - 19 - MUDALIGE > Activities and Due Dates > Chapter 8 Check Answer Hint Resources 493/2900 ment Score: estion 6 of 29 > Answer Bank 1401 solid only gas only solid and liquid liquid and gas Temperature (°C) liquid only 120 160 200 240 40 80 280 320 Heat (J) terms of use contact us help about us Careers privacy policy
Assignment Score: 1879/2500 Resources by Give Up? Hint Check Answer Question 24 of 25 > Predict whether the following reactions will be exothermic or endothermic. Reaction A. N (9) + 3H2(g) — 2NH3(g) Reaction B. S(g) + O2(g) - SO,(g) Reaction C. 2H,0(g) — 2H,(9) +0,(9) Reaction D. 2F(8) - 5,() Bond H-H NEN O.O F-F H-N H-O AH°(kJ/mol) 432 942 494 155 386 459 S=0 522 Which reaction(s) are endothermic? Which reaction(s) are exothermic? OA OA OB oc OB...
Assignment Score: 1283/2500 Resources aveusz Hint Check Answ < Question 14 of 25 > For each compound, determine the direction of bond polarity. Leave the box blank for a nonpolar bond. Br-Br H-CI F-CH Answer Bank about us Careers privacy policy terms of use contact us help
looking for the net charge for that lewis structure
Assignment score: 50095800 Resources Lx Give Up? Question 21 of 38 > What is the net charge on the species? about us Careers privacy policy terms of use contact us help
gnment Score: C Give Up? EFeedback 1149/2600 Resources Try Again uestion 9 of 26 OAttempt 4 Write a chemical equation representing the second ionization energy for lithium. Use e as the symbol for an electron. chemical equation: Li +Li+e about us careers privacy policy terms of use contact us help MacBook Air
5-018) - Fall 19.GUITON > Activities and Due Dates > HW 815 gnment Score: 1662/1800 Resources Give Up? Feedback Resume aestion 8 of 18 > Attempt 2 - A ground state hydrogen atom absorbs a photon of light having a wavelength of 93.03 nm. It then gives off a photon having a wavelength of 1005 nm. What is the final state of the hydrogen atom? Values for physical constants can be found in the Chempendix. n = 1.05 Question Source:...
Assignment Score: 195/1800 Resources CX Give Up? Hint Check Answer Question 2 of 18 > Attempt 2 The length of a pencil is measured with two rulers. Report the length of the pencil from each ruler with the proper number of digits. Ruler A: dm Ruler B: about us Careers privacy policy terms of use contact us help ^ - A do 12
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