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- ou place hot metal into a beaker of cold water. ol type='a'> Eventually what is true about the temperature of the metal compared to that of the water? Explain why this is true. i>Label this process as endothermic or exothermic if we consider the system to be the metal. Explain. the water. Explain.☆ 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 A-awu.aleks.com/alekscgi/x/Isl.exe/1o_u-IgNslkr7j8P3jH-IvTqeviKFP6W0cqJcWJdIACROQwyw24GWHinnFt 5.3 Enthalpies of... 18.5 Gibbs Free E... 18.3 Gibbs Free E... 21,108 M O ELECTROCHEMISTRY Ranking the strength of oxidizing and reducing agents using... species Use the information in the ALEKS Data tab to sort the following chemical species by reducing power. Ag(s) Ca'(s) Br (aq) Na(s) Explanation X Check reducing power DEC 5 choose one choose one choose one ✓ choose one S Reading Schedule tv CP 19.6 Reduction Ⓒ2022 McGraw H (A) MacBook Pro
- 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…s.com/alekscgi/x/sl.exe/lo_u-igNsikr7j8P3jH-vTqeviKFP6W0cqJcWJdIACROQwyw24GWHinCX72NRg1Xko5RqYtZo... ☆ 5.3 Enthalpies of... lecula... 18.3 Gibbs Free E... Predicting the reactants of a neutralization reaction W Predict the reactants of this chemical reaction. That is, fill in the left side of the chemical equation. Be sure the equation you submit is balanced. (You can edit both sides of the equation to balance it, if you need to.) Note: you are writing the molecular, and not the net ionic equation. D-KNO,(ag)+H₂O(1) Explanation 18.3 Gibbs Free E... Check Allopatric(most common) Other place Speciation is happening because the two groups split and live in other E 4 6 X Do & 7 0-0 18.5 Gibbs Free E... Reading Schedule 3 © 2023 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center Accessibility JP 0.5 U O doNon-Commercial Substances Hypothesis: Soluble in Test Bond Molecular Structure ΔΕΝ H2O? Result: H20 Solubility Result: Hexane Substance Classification Solubility Hexane? H2O: pS Sodium Na--Br lonic Bromide 1.9 Hexane: I |--| lodine NP C 0.0 Ammonium N/A lonic Carbonate NH4* O O NH4* Sodium N/A lonic Acetate C--H NP C 0.4 H-C-OH C--O PC H-C-OH Glycerol 1.0 H-C-OH O--H PC 1.4 HI
- www-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 9w 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 {b) Determine the standard enthalpy change and std. Gibbs free energy change of reaction at 400 k for the reaction Co(g) +2H2(g) → CH;OH (g) At 298.15 K, AH?.co )= -26.41 kcal/mol, AH?.CH,OH()= -48.08 kcal/mol, AG.co )= -32.8079 kcal/mol, AG.CH,OH(@)= -38.69 kcal/mol, The standard heat capacity of various components is given by. CS = a + bT + cT2 + dT³, where C is in cal/mol-K and T is in K |Component b x10 e x105 d x10° a -0.291 CH3OH CO 4.55 2.186 -1.92 6.726 0.04 0.1283 -0.5307 H2 6.952 -0.0457 0.09563 -0.2079
- Which substance is MOST soluble at 0 °C2 100 90 NANO, 80 70 60 CaCl Pb(NO,)a 9 40 NaCl A 30 KCI 20 KCIO 10 Ce, (SO), 0 10 20 30 40 50 60 70 80 90 100 Temperature ("C) KI NaNO3 Ce(S04); NaCl Solubility (g of salt in 100 g H,O) FONX K,Cr,O,For the reaction below, formation salpies at 1 bar and standart entropies are given. Çe te equilibrium constant (Kp) of the reaction at 580 K. X(g) +3 Y,(g) =2XY,(g) For X,(g) AHº,f =0 kJ mol S° = 179 J mol* K For Y(g) AH°f = 0kJ mol* S° = 215 J mol"K** For XY,(g) AH°f = -146 kJ mol" S° = 154 mol K* R = 0.08206 L atm mol-1 K-1 = 8.314 J mol-1 K-1me File Edit View History Bookmarks email draft - Google Doc xNancy Foldi - Departmen x = 18.3 Gibbs Free E... C www-awu.aleks.com/alekscgi/x/lsl.exe/10_u-IgNslkr7j8P3jH-IvTqeviKFP6W0cqJcWJdIACROQwyw24GWHIn2XzybTAgTikmXkISqX79 5.3 Enthalpies of...18.5 Gibbs Free E...Reading Schedule 19.6 Reduction Po... Y SOLUTION: T Solubility and.... OKINETICS AND EQUILIBRIUM Calculating equilibrium composition from an equilibrium constant M Explanation F Profiles Tab Window Help 18,128 Suppose a 500. mL flask is filled with 2.0 mol of NO and 0.20 mol of NO₂. The following reaction becomes possible: NO₂(g) + NO(g) 2NO₂(g) The equilibrium constant K for this reaction is 0.611 at the temperature of the flask. Calculate the equilibrium molarity of NO3. Round your answer to two decimal places. Check → C A ALEKS-Lara Althawadi - x X OCT 12 9 tv G Search or type URL 5 C| Chegg.com 6 X & (90) ALEKS 8 Ⓒ2022 McGraw Hill LLC. All Rights Res A a ✔ 9 O
