The boiling point of ethanol, CH3 CH2OH, is 78.50 °C at 1 atmosphere. A nonvolatile, nonelectrolyte that dissolves in ethanol is chlorophyll. A student dissolves 14.65 grams of chlorophyll, C55 H72 MgN4O5 (893.5 g/mol), in 194.6 grams of ethanol. Use the table of boiling and freezing point constants to answer the questions below. Solvent Water Formula Kb (°C/m) K₁ (°C/m) H₂O 0.512 1.86 Ethanol CH3CH2OH 1.22 1.99 Chloroform CHCl3 3.67 Benzene C6H6 2.53 5.12 Diethyl ether CH3 CH2 OCH2CH3 2.02 The molality of the solution is m. The boiling point of the solution is °C.

The boiling point of ethanol, CH3 CH2OH, is 78.50 °C at 1 atmosphere. A nonvolatile, nonelectrolyte that dissolves in ethanol is chlorophyll. A student dissolves 14.65 grams of chlorophyll, C55 H72 MgN4O5 (893.5 g/mol), in 194.6 grams of ethanol. Use the table of boiling and freezing point constants to answer the questions below. Solvent Water Formula Kb (°C/m) K₁ (°C/m) H₂O 0.512 1.86 Ethanol CH3CH2OH 1.22 1.99 Chloroform CHCl3 3.67 Benzene C6H6 2.53 5.12 Diethyl ether CH3 CH2 OCH2CH3 2.02 The molality of the solution is m. The boiling point of the solution is °C.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Content Google Do google slid X Dr. Ortiz a ☑ Certificate ☑ > Course EX Cengage L ☑ OWLv2 | O ✓ Search res ChatGPT ✓ + C prod03-cnow-owl.cengagenow.com/ilrn/takeAssignment/takeCovalentActivity.do?locator-assignment-take New Chrome available : E4 CH 16 17 and 18 [References] Question 1 1 pt Question 2 2 pts "Heater Meals" are food packages that contain their own heat source. Just pour water into the heater unit, wait a few minutes, and voilà! You have a hot meal. Mg(s) + 2 H2O(l) → Mg(OH) 2 (s) + H2(g) Question 3 1 pt Species AH° (kJ/mol) S° (J/mol·K) AƒG° (kJ/mol) Question 4 2 pts Mg(s) 0 32.67 0 Question 5 1 pt Question 6 × 2 pts H2O(l) Mg(OH)2(s) -285.83 69.95 -237.15 -924.54 63.18 -833.51 H2(g) 0 130.7 0 Question 7 1 pt Question 8 2 pts Question 9 1 pt HEATER MEALS Question 10 2 pts Question 11 1 pt Question 12 1 pt Question 13 Charles D. Winters INCLUDES 34 ou b HEATER MEALS 1 pt Question 14 1 pt The heat for the heater unit is produced by the reaction of magne- sium with water.…
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help please answer in text form with proper workings and explanation for each and every part and steps with concept and introduction no AI no copy paste remember answer must be in proper format with all working
2+ d. 4H3O+ (aq) + 2Cl(aq) + MnO₂ (s) ⇒ Mn²+ (aq) + 6H₂O(1) + Cl₂ (9) Oke O Ke = = O Ke = 2+ [Mn²+ ][C1₂] [H3O+] * [CI-1² [Mn²+][H₂O][C1₂] 2+ [H³O+][CI¯]²[MnO₂2] [Mn²+ ] [H₂O1] [C1₂] 2+ [H3O+] * [CI-1²[MnO₂]
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