Experiment 10-Polarity and SolubilitynamesectiondatePre-Laboratory Assignment1. Define the terms belowa. Immiscible-b. Hydrocarbon -c.Functional group -z. What is the general rule of solubility? Explain briefly what it means!3. For a molecule of phosphorus trichloride, PCl3:a. Draw the Lewis structure of this molecule. Using the Pauling electronegativity scale,determine which bonds are polar; show them on the structure using the 8+/o- notation.b.Is this molecule polar? Explain briefly why or why not.What type of intermolecular forces should exist between two PCl3 molecules?c.d.Will PCl3 be soluble in water, H20? Explain briefly why or why not.4. On the Worksheet, add any missing lone pairs. To avoid getting points off, have the TA orinstructor check this step for completion before you turn in the pre-lab.129

a) Immiscible: Liquids are classified into miscible and immiscible. Immiscible liquids are to…

Answered: Experiment 10-Polarity and Solubility…

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

Chapter5: Resonance

Section: Chapter Questions

Problem 2CTQ: You will not find “hydroxide” in the stockroom, but you will find sodium hydroxide (NaOH)...

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CHAPTER 8 - BONDING AND MOLECULAR STRUCTURE O Previs Page 1 of 2 Next → Please note that "geometry" refers to the molecular or ionic geometry. 3- A. The Lewis diagram for PO4 is: 3- The electron-pair geometry around the P atom in PO4 is There are *0: 3- References Use the References to access important values if needed for this quest lone pair(s) around the central atom, so the geometry of PO is B. The Lewis diagram for NO₂ is: N=Ö: Recall that for predicting geometry, double and triple bonds count as only one electron pair.
Describe what changes occur when atmospheric CO₂ interacts with the world ocean as illustrated here (Figure 1). Drag the terms on the left to the appropriate blanks on the right to complete the sentences. more CaCO3 (s) less MgCO3 (8) HCO₂ (aq) NaCO₂ (aq) 2- COy” (aq) Na₂CO3 (aq) H₂CO3 (aq) 1. CO₂ (g) dissolves in seawater to form . The basic pH of the ocean encourages ionization of and Reset Help ocean as chalk cliffs). As carbon is removed, to form Under the correct conditions, carbon is removed from the (sea shells, coral, CO₂ (g) dissolves to maintain the balance of complex and interacting acid- base and precipitation equilibria.
Consider these compounds: A. BaSO4 . B. PbCrO4 C. Cr(OH)3 D. Ag3PO4 Complete the following statements by entering the letter(s) corresponding to the correct compound(s). (If more than one compound fits the description, include all the relevant compounds by writing your answer as a string of characters without punctuation, e.g, ABC.) Without doing any calculations it is possible to determine that silver bromide is more soluble than bromide is less soluble than It is not possible to determine whether silver bromide is more or less soluble than [ Submit Answer Retry Entire Group 9 more group attempts remaining and silver by simply comparing Kp values.
Describe how you could separate and purify compound A from a mixture of two neutral compounds (A and B) when A comprises 95% of the total and B the other 5% of the total. Assume that A and B have similar polarities.
4. Draw the Lewis-dot structure for the organic molecule, CH3-O-CH3, below. A. State all the attractive forces acting on this molecule. (Note: attractive force = secondary force = intermolecular force; they all mean the same thing). B. What is the main intermolecular force for this molecule? C. Is this molecule polar or nonpolar? Provide a brief explanation (2-3 sentences) for your answer.
5g of KClO3 dissolved in water 100mL of water would be known as: Question 4 options: A heterogeneous mixture A solution A Lewis base A suspension
Consider these compounds: A. Ag2SO4 B. BaSO3 C. Co(OH)2 D. ZnCO3 Complete the following statements by entering the letter(s) corresponding to the correct compound(s). (If more than one compound fits the description, include all the relevant compounds by writing your answer as a string of characters without punctuation, e.g, ABC.) Without doing any calculations it is possible to determine that zinc cyanide is more soluble than and zinc cyanide is less soluble than. It is not possible to determine whether zinc cyanide is more or less soluble than Submit Answer Retry Entire Group 9 more group attempts remaining by simply comparing Ksp values.
You will not find “hydroxide” in the stockroom, but you will find sodium hydroxide (NaOH) andpotassium hydroxide (KOH). Lithium hydroxide (LiOH) is expensive and used in spacecraft airfilters since hydroxide reacts with carbon dioxide, and lithium is lighter than sodium or potassium.Cesium and francium hydroxides are very expensive and little used. Is this information consistentwith your answer to the previous question?
Q: Predict if hexane will dissolve in water. The Lewis structure of hexane is given below. Draw the Lewis structure of water and determine its polarity, then explain why hexane will or will not dissolve in water. H H. H H H- -H
of the compound and molecules of ter. name fluoromethane formic acid acetic acid compound formula or Lewis structure CH,F :0: || H-C-0-H H :O: | || H-C-C-O-H H Between molecules of the compound? O O 00 yes no yes no yes hydrogen-bonding force no Between molecules of the compound and molecules of water? 00 00 yes no yes no yes X no
Under the concepts of bond polarity and solubility, why is it that ethanol (rubbing alcohol) and water are miscible, but oil and water are immiscible?
3. Chlorinated tap water contains both chlorine (Cl2) and hypochlorite (OCl-) does the presence of these species affect DO results? Write equations to represent their individual interactions.

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