#4 E) 1.3 × 10-83.9 × 10-8 M ¯OH3. Which substance is a nonelectrolyte?A) H2O2B) NaClС) КОНD) CaSO44. Which compound will be the least soluble in water?A)HH.HH-Ç-C-0-c–HH.H.В)H| | |H-0-Ç -C-C-0-HH.H.C)H.H.H.H.H.H.H.H.H.H.D)H.H.H.H-CC-C-0 -H20HH.5. Which solution containing an equal number of moles of each cA) CH3COOH and NaCH3COOB) H2CO; and CO3²-C) HNO2D) HCI ar

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Answered: ne least soluble

Science

Chemistry

ne least soluble

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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9,Which of the following is a combustion reaction? Group of answer choices A, H2SO4(aq) + Na2CO3(aq) =>Na2SO4(aq) + H2O(l)+ CO2(g) B, Ca(s) + 2HCl(aq) => CaCl2(aq) + H2(g) C, C2H4(g) + 3O2(g) => 2H2O(l)+ 2CO2(g) D, H2SO4(aq) + 2NaOH(aq) =>Na2SO4(aq) + 2H2O(l) E, Mg(s) +Cl2(aq) =>MgCl2(s) F, 2NaOH(aq) + MgCl2(aq)=> 2 NaCl(aq) + Mg(OH)2(s)
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Acetic acid, CH3 COOH, is a weak organic acid, pK a 4.47. Determine the position of the equilibrium for the reaction of acetic acid with NaHCO3, and draw the species that predominate at equilibrium. • You do not have to consider stereochemistry. • You do not have to explicitly draw H atoms. •Separate structures with + signs from the drop-down menu. • Draw cations and anions in separate sketchers. Do not include metal counter-ions, e.g., Nat, in your answer. 0- ● [... / ? ChemDoodle Ⓡ Y Sn [F
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Question 3 What is the common name of the following compound? CH3 O CH3-CH-C-OH Selected Answer: 2-methylpropionic acid Answers: a-methylpropionic acid B-methylpropionic acid 2-methylpropionic acid butyric acid Question 4 Rank the following compounds in order from highest boiling point to lowest boiling point. (They all have similar molar mass.) hexane, pentanol, butanoic acid and pentanal Selected Answer: Answers: hexane, pentanal, pentanol, butanoic acid butanoic acid, pentanal, pentanol, hexane hexane, pentanal, pentanol, butanoic acid hexane, pentanal, butanoic acid, pentanol butanoic acid, pentanol, pentanal, hexane °
Three white wine brands, D, M, and B were tested for tartaric acid (FW=150.09) content. Tartaric acid has two acidic hydrogens. The allowable tartaric acid content in wine is in between 0.5 g to 10 g per liter. The wine is considered to be unstable with too much tartaric acid and content. However, since the bottle storing NaOH was left ajar for over two weeks, this was standardized again with KHP (FW=204.22) thrice with the following masses of KHP and their respective volumes, shown in the table 1. Table 1. Trial 1 Trial 2 Trial 3 W (KHP), mg 200.0 198.5 187.6 V (NaOH), mL 20.00 18.20 19.40 C (NaOH), M ? ? ? Preparation of the wine sample: 50.00 mL of each wine (d=1.75 g/mL) was diluted to 250.0 mL with water and a 50.00 mL aliquot was titrated with the NaOH, with results in table 2. Table 2. D M B V (NaOH), mL 20.00 18.20 19.40 W (Tartaric acid), mg ? ? ? Answer the following: In which trial…
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