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- Consider the following set of molecules and answer the questions below: OH HO H OH H OH 8 8 & 7 & 8 Il A B a) A and B are b) C and D are c) D and E are d) E and F are e) F and G are f) G and H are D E < F OH G на он HD Question 8 Given the following reactions: C4H10 () + 13/2 O₂(g) → 4 CO2(g) + 5 H₂O (9) Butane (MW = 58 g/mol) C3H7OH (1) + 5 0₂(g) → 3 CO2(g) + 4 H₂O (g) Propanol (MW = 60 g/mol) C2H4O2 (1) + 3 O2(g) → 2 CO2(g) + 2 H₂O (g) Acetic acid (MW = 60 g/mol) Butane has the highest %H by mass Butane produces the highest number of moles of CO2 (g) Based on the energies of the individual bonds of reactants and products, what is the principal reason that the butane combustion reaction is so much more exothermic? Butane consumes the highest number of moles of O2(g) AH° = -2635 kJ/mol Butane is the best fuel AH° = -1845 kJ/mol AH° = -785 kJ/molO Baci0 O Ba(CIOa)2 Question 6 1 pts What are the coefficients for C2H,O2 and O2 (C,H,O, first, O, second) when the following equation for a combustion reaction is completed and balanced? C2H6O2 + O2 → O 1, 5 O 2, 5 O 1, 3 O 1, 1 MacBook Air
- pe here to search et Care ROME Password: test@101 addisse bar = O NAMING AND DRAWING ORGANIC MOLECULES Interpreting the skeletal structure of a neutral organic molecule Answer the questions in the table below about this molecule: AINING 11-500 OH What is this molecule's chemical formula? Note: write the simplest molecular chemical formula, in which each element symbol appears only once. 017 How many CH3, CH₂, and CH groups are in this molecule? Explanation C Check SP Kim Stampone 15) 451-7403 ly | CH3 CH₂ Псн CH X S 2/5 Jessica V ? plo 18 Ar Ⓒ2023 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessibility wwwwww 67°F Mostly sunnydu.co Question 10 of 22 Balance the following chemical equation (if necessary): CH(g) + O,(g) → H,O(g) + CO,(g) 04- 03. 02. O+ O2+ D3+ 04+ 1 4 7 8 9. O3 04 Os + (s) (1) (g) (aq) CO CH.0 H,O Reset • x H,O Delete MacBook Air 80 DII F3 F4 F7 F8 F9 @ $ & 2 4 5 6 8 9 W E R Y S D F G H J K C V B M * CO *3Question 11 What is the relationship between Ksp and s for aluminum hydroxide? O Ksp = 108s5 O Ksp = s² O Ksp = 4s3 O Ksp = 27s4
- Question 24 of 26 Fill in the blanks: Al2(SO4)3(aq) + KOH(aq) Al(OH)3(aq) + K2SO4(aq) A) 1,3,2,3 B) 2,12,4,6 C) 4,6,2,3 Choose below the correct coefficients of the substances, respectively. D) 1,6,2,3 24Which of the following statements accurately describes the mole? A B C D U7HW Question 1 Unanswered E Select all that apply An Avogadro's number of items 6.023x1023 grams 6.023x1023 items The amount of a substance containing the same number of formula units as there are atoms in 12 g of carbon. 12 g X SubmitQuestion 5 Given the reactions below, (1) 2 CIF(g) + O2(g) → Cl₂O(g) + F2O(g) (2) 2 CIF 3(g) + 2 O2(g) → Cl₂O(g) + 3 F₂O(g) (2) 2 F2(g) + O2(g) → 2 F₂O(l) Determine AHan for the following reaction: (4) CIF(g) + F2(g) → CIF 3(g) O-217.4 kJ O-108.7 kJ O 465.4 kJ O-130.4 kJ 108.7 kJ ΔΗ» = 167.4 kJ ΔΗzn = 341.4 kJ ΔHzn = -43.4 kJ AH;zn = ?
- Aktiv Chemistry ADD FACTOR 4.3 × 10²¹ X A 52 kg woman has 7.2 x 10-3 mol of hemoglobin (molar mass=64456 g/mol in her blood. What quantity of hemoglobin molecules is this? 460 + 1.1 x 107 mal hamaglahin Question 5 of 14 6.022 x 1023 52 homoalahin 7.2 x 10-³ almal ANSWER DELL 1 64456 RESET 3 malamlaa hamaalahin 1.2 x 10-26of 15 Complete combustion of 5.10 g of a hydrocarbon produced 16.4 g of CO₂ and 5.59 g of H₂O. What is the empirical formula for the hydrocarbon? Insert subscripts as necessary. empirical formula: CH $ 4 R F G Search or type URL 07 dº % 5 V T G MacBook Pro 6 B Y & 7 H U N * 00 8 J - ( - S 9 M K ** O O < L I 1 H /// P V command . + "" { [ y Sh OQuestion 20 of 20 -/ 1 2HOOCC&H40H + C4H6O3 2HOOCC,H402C2H3+ H2O acetic salicylic acid acetyl salicylic acid water anhydride If we mix together 27.5 grams of salicylic acid with 11.7 grams of acetic anhydride in this reaction, we obtain 30.7 grams of aspirin. What are the theoretical yields of our experiment? The theoretical yields = i What are the percentage yields of our experiment? the percentage yields = i ост étv N II