12.24 Each compound in List 1 has a matching description in List 2. Correctly match the partners. There is only one correct statement for each compound. List 1 List 2 CaCl2 Polymeric in the solid state BeO Soda lime Be(OH)2 Strong oxidizing agent Used in qualitative analysis for sulfates СаО Hygroscopic solid, used for deicing CaF2 BaCl, Amphoteric BeCl2 Quicklime MgO2 Crystallizes with a wurtzite-type structure Ca(OH)/NaOH A prototype crystal structure

12.24 Each compound in List 1 has a matching description in List 2. Correctly match the partners. There is only one correct statement for each compound. List 1 List 2 CaCl2 Polymeric in the solid state BeO Soda lime Be(OH)2 Strong oxidizing agent Used in qualitative analysis for sulfates СаО Hygroscopic solid, used for deicing CaF2 BaCl, Amphoteric BeCl2 Quicklime MgO2 Crystallizes with a wurtzite-type structure Ca(OH)/NaOH A prototype crystal structure

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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x P UTF-8"Chapter 12 Solutions -20 X 2-xythos.content.blackboardcdn.com/5b19550bob538/10621560?X-Blackboard-Expiration%=1649052000000&X Vorksheet.docx Edits will not be automatically saved. Save now d changes A Garamond 14. 三三 of NaHCO3 6. What is the molarity of 325 ml of a solution containing 46.8 (Molar 84.007 g/mol) | mass =
For each of the salts on the left, match the salts on the right that can be compared directly, using Ksp values, to estimate solubilities. (If more than one salt on the right can be directly compared, include all the relevant salts by writing your answer as a string of characters without punctuation, e.g, ABC.) fill in the blank 1 1. copper(II) carbonate A. AlPO4 fill in the blank 2 2. calcium hydroxide B. PbCrO4 C. PbBr2 D. PbI2 Write the expression for K in terms of the solubility, s, for each salt, when dissolved in water. copper(II) carbonate calcium hydroxide Ksp = Ksp =
In two SEPARATE flasks containing similar component of carbonate mixtures, the following volumes of titrant were obtained for phenolphthalein and methyl orange endpoin respectively: (1) 21.0mL (2) 24.0mL. What is/are the component/s of the mixture that is/are being reacted at the PHENOLPHTHALEIN endpoint? a. NaOH and NaHCO3 b. Na2CO3 only c. NaOH and Na2CO3 d. NaHCO3 only
Problem 10.51 - Enhanced - with Feedback 46 of 50 I Review | Constants | Periodic Table Part A What is the molarity of an HCl solution if 6.00 mL HCl solution is titrated with 20.6 mL of 0.175 M NaOH solution? HCl(aq) + NaOH(aq)→NaCl(aq) + H2O(1) Express your answer numerically in molarity. ΑΣΦ ? molarity = M Submit Request Answer Provide Feedback Next >
A "generic" diprotic acid has pK,'s of 4.85 and 6.21. Find K»i and K12 for the fully-deprotonated and intermediate forms.
For each of the salts on the left, match the salts on the right that can be compared directly, using Kn values, to estimate solubilities. (If more than one salt on the right can be directly compared, include all the relevant salts by writing your answer as a string of characters without punctuation, e.g ABC.) А. СаСrО, B. Zng(PO C. Mn(OH2 D. CuCO3 1. silver iodide 2. magnesium fluoride Write the expression for K in terms of the solubility, s, for each salt, when dissolved in water. silver iodide magnesium fluoride K = K = Note: Miultiply out any rumber and put it first in the Kp expression. Combine all exponents for s. Submit Answer Retry Entire Group 7 more group attempts remaining
6:11 PM Wed May 3 = B Name Experiment 36 Advance Study Assignment: Qualitative Analysis of Group | Cations 1. At the start of the data page for this experiment, complete the flow diagram for the separation and identification of the ions in Group I. 2. Write balanced net ionic equations for the following reactions: a. Precipitation of the chloride of Hg₂²+. Section b. Dissolution of PbCl₂ in hot water. c. Dissolution of AgCl in aqueous ammonia. 3. A solution may contain Ag+, Pb²+, and/or Hg₂2+. A white precipitate forms on addition of 6 M HCl. The precipitate is insoluble in hot water. The residue turns black on addition of ammonia. Which of the ions are present, which are absent, and which remain undetermined? State your reasoning. Note: On paper unknowns such as this one, confirmatory tests are usually not included. Present Absent In doubt (continued on following page) Copyright 2016 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part.…
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16.14
6. Open the bags and add 3 drops of bromothymol blue to each bottle. The indicator turns yellow if vinegar is still present and is blue-green when vinegar is not present. Record the color of each solution in the table provided. Data Table 1: Reaction Data Sample 7. Add a 4 teaspoon of baking soda to each bag. Effervescence of CO₂ occurs if excess vinegar is present. Record your observations in the table provided. Moles of vinegar (mol) Moles of baking soda (mol) mistry Relative size of bag Was excess vinegar present? Color with indicator? Reacts with additional baking soda? Moles of gas produced (mol) Watch the limiting reagent! #1 0.042 0.014 чем yes yellow #2 0.042 0.028 #3 yes yellow 0.042 0.042 Experiment 11 yes yellow #4 Stoichiometry 0.042 0.88 more small big bigger bigger No 0.071 #5 NO Geen 0.042 Blue Calculations 1. Use Table 1 to determine which reactant was limiting in each trial. Use the amount of limiting reactant to calculate the moles of carbon dioxide gas that were…
2. Kinn and Porsche need to store a certain biomolecule in 300 mL of 0.50 M citrate buffer maintained at pH 5.90. Relevant equation: H3C6H507 (aq) Solids Ka1 = 8.4 x 10-4 H3C6H5O7 The available solids in the laboratory are as follows. NaH₂C6H5O7 Na2HC6H5O7 H₂C6H507 (aq) Na3C6H5O7 Ka2 = 1.8 x 10-5 Molar Mass, g/mol 192.124 214.100 236.090 HC6H507² (aq) 258.060 Ka3 = 4.0 x 10-6 -C6H507³- (aq) 2a. Help Kinn and Porsche prepare the buffer by supplying the missing information in the following table. Provide calculations as basis of choosing the identity of each solid. Show your solution on the computation of the mass of each solid needed to prepare the buffer. MASS (g) NEEDED TO