A certain liquid x has a normal freezing point of -8.10 °c and a freezing point depression constant K₁=2.69 °C kg mol. A solution is prepared by dissolving some glycine (C₂H,NO₂) in 600. g of x. This solution freezes at -10.4 °c. Calculate the mass of C₂H₂NO₂ that was dissolved. Round your answer to 2 significant digits. g x10
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- ☆ s.com/alekscgi/x/sl.exe/to_u-IgNsikr7j8P3jH-IvTqeviKFP6W0cqJcWJdIACROQwyw24GWHin3gzsTjpfxz_5lgeo_vsTp._ Q 5.3 Enthalpies of... 18.5 Gibbs Free E... Reading Schedule 19.6 Reduction ChatOPT stecula.18.3 Gibbs Free E... 18.3 Gibbs Free E... E 2 Calculating the pH of a weak base titrated with a strong acid An analytical chemist is titrating 98.4 mL of a 0.7000M solution of ammonia (NH,) with a 0.5500M solution of HNO,. The pK, of ammonia is 4.74. Calculate the pH of the base solution after the chemist has added 107.8 mL of the HNO, solution to it. Note for advanced students: you may assume the final volume equals the initial volume of the solution plus the volume of HNO, solution added. Round your answer to 2 decimal places. PH-0 W S Explanation 3 E D Check 16 $ 4 C X R F 3 % m сла V T G Ⓡ tv NTZA Ⓒ 6 B Y H & © 2023 McGraw Hit LLC. At Rights Reserved. Terms of Use vacy Center Accessibility 7 U N * 8 ( M 9 7 1 0 2. K W P Lara V ? P ala A 92 Aa 1 A Aw History Bookmarks Profiles Tab Window Help aleks.com/alekspl/x/sl.eve/tou-igskr7;8P3jH-TgeviKFPSWocqjcWJdIACROQwyw24GWHSU2y371320M2E-620M.. 13 intermolecule. 18.3 Gibbs Free E... 18.3 Gibbs Free E... 5.3 Enthalpies of... 18.5 Gibbs Free E... Reading Schedule S esc ! 1 Q A e Z Using heat of fusion or vaporization to find the heat needed to... Calculate the amount of heat needed to melt 139. g of ice (H₂O) and bring it to a temperature of 37.4 °C. Be sure your answer has a unit symbol and the correct number significant digits. 2 0 W S X Explanation # 3 E D Check $ 4 C 15 R F x % сла 5 V 3 T ♫ Ⓡ tv ^ 6 Y B & 7 G H U N * 8 J <= 1 M ( 9 K O ) 0 L D P {Chrome ... t email draft esc X E C 17.4 Solubility and 18.3 Gibbs Free E... 5.3 Enthalpies of.... Nancy Foldi x A ALEKS-La XC|Chegy.com www-awu.aleks.com/alekscgi/x/lsl.exe/1o_u-IgNsikr7j8P3jH-IvTqeviKFP6W0cqJcWJdIACROQwyw24GWHInrM9gp1X_skbllM9wHNg_.6zrMKCucksw 18.5 Gibbs Free E. Reading Schedule 19.6 Reduction Po... OKINETICS AND EQUILIBRIUM Calculating equilibrium composition from an equilibrium constant Suppose a 250, ml flask is filled with 0.70 mol of NO₂, 0.60 mol of NO and 1.6 mol of CO₂. The following reaction becomes possible: NO₂(g) +CO(g) NO(g) + CO₂(g) The equilibrium constant K for this reaction is 0.443 at the temperature of the flask. Calculate the equilibrium molarity of NO₂. Round your answer to two decimal places. OM Explanation Zoom (2).pkg 1 Check X C E 3 4 G Search or type URL R tv 5 19.6 Reduction Po... SOLUTION: The le Math 115 W- 6 Ⓒ2022 McGraw Hill LLC. All Rights Reserved. Terms of Use ☆ Oya 8
- it View History Bb Content- X 18.3 Gibbs Free E... 108 BOOKMar RS Bb 93389825 X wu.aleks.com/alekscgi/x/Isl.exe/1o_u-IgNslkr7j8P3jH-IvTqeviKFP6W0cqJcWJdIACROQwyw24GWHInnFtOh8 18.5 Gibbs Free E... oxidation: reduction: 5.3 Enthalpies of... O ELECTROCHEMISTRY Writing the half-reactions of a metal-nonmetal reaction Explanation Bb 93389821 X 8 Study this chemical reaction: 2Ca+O, → 2 Cao Then, write balanced half-reactions describing the oxidation and reduction that happen in this reaction. Check 5 ローロ B What is th X 19₁ X D 0 7 Bb 93737627 X 3 Reading Schedule tv C Childre 19.6 Reduction Po.... “7 C Ⓒ2022 McGraw HiO www-awu.aleks.com/alekscgi/x/tsl.exe/to_u-IgNslkr7;8P3jH-ITQVIRI 14 Solubility and... 18.3 Gibbs Free E... 5.3 Enthalpies of... esc OSTATES OF MATTER Using heat of fusion or vaporization to find the heat needed to... Explanation e Calculate the amount of heat needed to melt 82.6 g of solid methanol (CH3OH) and bring it to a temperature of -26.1 °C. Round your answer to 3 significant digits. Also, be sure your answer contains a unit symbol. 1 Check S 3 a Math 115 W-S Fall.... 18.5 Gibbs Free E... Reading Schedule 19.6 Reduction Po... Y SOLUTION: The le... E X > R S 5 I G B We U 8 You Ⓒ2022 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessibility Mark as complete. Bookmark 3 Questions M 9 < h R 35 commonia P Get started. Hy O D) Lara V ? do Arwww-awu.aleks.com/alekscgi/x/lsl.exe/10_u-IgNslkr7j8P3jH-lvTqeviKFP6W0cqJcWJdIACROQwyw24GWHinwgLxrTA3qJGX 18.5 Gibbs Free E... Reading Schedule 4 Solubility and... esc 18.3 Gibbs Free E... 5.3 Enthalpies of.... O KINETICS AND EQUILIBRIUM Calculating equilibrium composition from an equilibrium constant Zoom (2).pkg Suppose a 250. mL flask is filled with 1.2 mol of Cl₂ and 0.60 mol of HCl. The following reaction becomes possible: H₂(g) + Cl₂(g). 2HCl(g) The equilibrium constant K for this reaction is 0.409 at the temperature of the flask. Calculate the equilibrium molarity of H₂. Round your answer to two decimal places. M Explcnation Check 3 X $ 4 S > C % 5 (Q) tv I A 6 We 19.6 Reduction Po... Ya sc & C Ⓒ2022 McGraw Hill LLC. All Rights You 9
- www-awu.aleks.com/alekscgi/x/lsl.exe/1o_u-IgNslkr7j8P3jH-IvTqeviKFP6W0cqJcWJdIACROQwyw24GWHInICLB-00go Solubility and... 18.3 Gibbs Free E... 5.3 Enthalpies of... 18.5 Gibbs Free E... Reading Schedule 19.6 Reduction Po... Ya O KINETICS AND EQUILIBRIUM Calculating equilibrium composition from an equilibrium constant Suppose a 250. mL flask is filled with 1.9 mol of H₂ and 1.4 mol of I₂. The following reaction becomes possible: H₂(g) +1₂(g) - 2HI(g) The equilibrium constant K for this reaction is 5.05 at the temperature of the flask. Calculate the equilibrium molarity of I₂. Round your answer to two decimal places. M Explanation @ 2 Check #3 X G 10 $ 4 C DE LO % A G Search or type URL 5 stv MacBook Pro & 7 Ⓒ2022 McGraw Hill LLC. All Rig * ▷liquid to X N. Ask Your X N. Ask Your XA ALEKS-LX GSketching Xx www-awu.aleks.com/alekscgi/x/sl.exe/to_u-IgNsikr7;8P3jH-IvTqeviKFP6W0cqJcWJdIACROQwyw24GWHin7gZDVJOY1PIGdwmoRjhTWafiMXzDVQ21WWbzcCZqUso... lube Maps esc OSTATES OF MATTER Using heat of fusion or vaporization to find the heat needed to... Calculate the amount of heat needed to melt 125. g of solid acetic acid (HCH,CO₂) and bring it to a temperature of 78.1 °C. Round your answer to 3 significant digits. Also, be sure your answer contains a unit symbol. 0 Explanation CRM Q A 2 Check Z W S # 3 X heat of so X X E H $ 4 D 5 > R C % 5 F tv T V MacBook Pro 6 G PA Thank Y & 7 B Ⓒ2022 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessibility A YO Aa H U The 8 N J ( 1 9 S K M 0 O TO L < I 05 JE - P 200 40 40 Lar d A-Lean X bs Free E... s.com/alekscgi/x/lsl.exe/10_u-IgNslkr7j8P3jH-IvTqeviKFP6W0cqJcWJdIACROQwyw24GWHInlg8hjQikSzrCwgeRV-1EfJIXE3... 18.5 Gibbs Free E... Reading Schedule 19.6 Reduction Po.... Ya SOLUTION: The le... Math 1 = 21.058 2 A student made measurements on some electrochemical cells and calculated three quantities: • The standard reaction free energy AG. • The equilibrium constant K at 25.0 °C. • The cell potential under standard conditions Eº. Oxidizing and Reducing Agents X O ELECTROCHEMISTRY Recognizing consistency among equilibrium constant, free... cell A 5.3 Enthalpies of... His results are listed below. Unfortunately, the student may have made some mistakes. Examine his results carefully and tick the box next to the incorrect quantity in each row, if any. Note: If there is a mistake in a row, only one of the three quantities listed is wrong. Also, you may assume the number of significant digits in each quantity is correct. Also note: for each cell, the number n of…
- www-awu.aleks.com/alekscgi/x/isl.exe/1o_u-IgNsikr7j8P3jH-IvTqeviKFP6W0cqJcWJdIACROQwyw24GWHinFFmq8fp--Pl15Czy57TwnośLEY3jYJ h. Get startes ity and 18.3 Gibbs Free E.. 5.3 Enthalpies of... 18.5 Gibbs Free E... Reading Schedule 19.6 Reduction Po... Y SOLUTION: The le Math 115 W-S Fall... ck esc O ACIDS AND BASES Identifying the major species in weak acid or weak base... The preparations of two aqueous solutions are described in the table below. For each solution, write the chemical formulas of the major species present at equilibrium. You can leave out water itself. Write the chemical formulas of the species that will act as acids in the 'acids' row, the formulas of the species that will act as bases in the 'bases' row, and the formulas of the species that will act as neither acids nor bases in the 'other' row. You will find it useful to keep in mind that HCN is a weak acid. ^ 0.3 mol of NaOH is added to 1.0 L of a 0.2M HCN solution. 0.3 mol of NaOH is added to 1.0 L of a solution that…app.101edu.co erbilt Universit... M Inbox (2) - esmat.h... Lobby | Top Hat Aktiv Chemistry D2L Homepage - Vande... M Gmail Handshake VYES - Vanderbilt - S... Question 14 of 22 Aluminum nitrate forms a white crystalline hydrate with the formula AI(NO3)3 nH₂O(s). If this hydrate is heated to a high enough temperature, H₂O(g) can be driven off, leaving the anhydrous salt AI(NO3)3(S). A 15.152-gram sample of the hydrate was heated to drive off the water, leaving Al(NO3)3(s) with a mass of 8.603 grams. Calculate the value of n in Al(NO3)3.nH₂O(S). Course Homwww.aleks.com/alekscgi/x/isl.exe/1o_u-IgNslkr7j8P3jH-IvTqeviKFP6W0cqJcWJdIACROQwyw24GWHIn3gzsTjpfxz_5lgeo... Q☆ 18.3 Gibbs Free E... Reading Schedule Intermolecula... 18.3 Gibbs Free E... Calculating the pH of a weak acid titrated with a strong base PH-0 An analytical chemist is titrating 65.0 mL of a 0.7000M solution of acetic acid (HCH,CO₂) with a 0.4000M solution of KOH. The pK, of acetic acid is 4.70. Calculate the pH of the acid solution after the chemist has added 89.0 mL of the KOH solution to it. Note for advanced students: you may assume the final volume equals the initial volume of the solution plus the volume of KOH solution added. Round your answer to 2 decimal places. Explanation Check 16 X 3 m 5.3 Enthalpies of... G 6 tv DY 18.5 Gibbs Free E... H Lara V © 2023 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessibility 0 19.6 Reduction Aa