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Solutions, Molarity and Intermolecular Forces Solutions Library

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180 solutions

Solutions, Molarity and Intermolecular Forces

Q. Move each water molecule (with each having a unique orientation) to the most ideal locations in the depicted scenario such that the strongest combi...

Solved • Jul 2, 2020

Solutions, Molarity and Intermolecular Forces

Q. Sort the following compounds based on whether or not they will behave as electrolytes that dissolve via ionization or as soluble nonelectrolytes th...

Solved • Jul 2, 2020

Solutions, Molarity and Intermolecular Forces

Q. In the PhET simulation window, click the Macro menu in the top left corner of the screen. This view gives a view of the beaker at a macroscopic lev...

Solved • Jul 2, 2020

Solutions, Molarity and Intermolecular Forces

Q. Which statement about hydrogen bonding is true?a) Hydrogen bonding is the intermolecular attractive forces between two hydrogen atoms in solution.b...

Solved • Jun 16, 2020

Solutions, Molarity and Intermolecular Forces

Q. How do polar covalent bonds dissolve in water?

Solved • Jun 16, 2020

Solutions, Molarity and Intermolecular Forces

Q. Predict what must happen when a beaker containing a solution of lithium chloride is heated. Check all that apply.a) Energy will be transferred into...

Solved • Apr 30, 2020

Solutions, Molarity and Intermolecular Forces

Q. Select the ΔH values associated with the dissolution of lithium chloride that are exothermic. Check all that apply.a) ΔH1: energy associated with t...

Solved • Apr 30, 2020

Solutions, Molarity and Intermolecular Forces

Q. Which of the following is more soluble in water, acetic acid or decanoic acid?

Solved • Apr 29, 2020

Solutions, Molarity and Intermolecular Forces

Q. Which of the following substances would be predicted to be the most soluble in hexane (C6H14)?A. diethyl ether, CH3CH2OCH2CH3B. methanol, CH3OHC. m...

Solved • Apr 28, 2020

Solutions, Molarity and Intermolecular Forces

Q. Predict whether the following pairs of liquids would be miscible or immiscible:a. Water and methyl alcoholb. Hexane and benzenec. Methylene chlorid...

Solved • Apr 27, 2020

Solutions, Molarity and Intermolecular Forces

Q. Which of the following compounds will be most soluble in ethanol (CH3CH2OH)?a) trimethylamine(N(CH3)3)b) acetone(CH3COCH3)c) ethylene glycol (HOCH2...

Solved • Apr 23, 2020

Solutions, Molarity and Intermolecular Forces

Q. Which of the following statements is true?1) Larger compounds can form more hydrogen bonds than smaller compounds with similar structures.2) Compou...

Solved • Apr 23, 2020

Solutions, Molarity and Intermolecular Forces

Q. For each of the following pairs of solute and solvent, predict whether the solute would be soluble or insoluble. After making your predictions, you...

Solved • Apr 15, 2020

Solutions, Molarity and Intermolecular Forces

Q. Spontaneous dissolving under standard-state conditions at 25oC occurs with a mix ofA. CH2Cl2 & H2OB. Na2CO3 & H2OC. CaCO3 & methanolD. ...

Solved • Apr 14, 2020

Solutions, Molarity and Intermolecular Forces

Q. Spontaneous dissolving under standard-state conditions at 25°C occurs with a mix ofA. KNO3 & n-butanolB. I2 & CH2Cl2C. CaCO3 & hexaneD....

Solved • Mar 30, 2020

Solutions, Molarity and Intermolecular Forces

Q. Why does NaBr dissolve in water?a) because of strong dispersion forces between NaBr and water.b) because of strong ion-dipole forces.c) because of ...

Solved • Mar 25, 2020

Solutions, Molarity and Intermolecular Forces

Q. Rank these compounds by their expected solubility in hexane, C6H14.C2H5OHH2O C3H8

Solved • Mar 20, 2020

Solutions, Molarity and Intermolecular Forces

Q. The following NLC system which shows equilibrium between solute and solvent is A. 1 mL H2O & 3 mL ethanol B. 1 g I2 & 100 mL H2O C. 2 M CaC...

Solved • Mar 12, 2020

Solutions, Molarity and Intermolecular Forces

Q. Which of the following compounds should be soluble in CCl4?A) NaClB) H2OC) NaOHD) Br2

Solved • Feb 4, 2020

Solutions, Molarity and Intermolecular Forces

Q. Which solute has the greatest solubility in water?A. CCl4 B. CHCl3 C. HOCH2CH2OH D. H3CCH3 E. CH2Cl2

Solved • Jan 22, 2020

Solutions, Molarity and Intermolecular Forces

Q. Which is a characteristic of a non-ideal solution?A. Extremely weak intermolecular forces. B. Two miscible liquids. C. PV not equal to nRT. D. Does...

Solved • Jan 22, 2020

Solutions, Molarity and Intermolecular Forces

Q. Which mixture is unlikely to form a homogeneous solution?A. C5H12 and C8H18 B. CuNO3 and H2O C. benzene, C6H6 and toluene, C6H5CH3D. C4H10(l) and N...

Solved • Jan 22, 2020

Solutions, Molarity and Intermolecular Forces

Q. Water (H2O) and the alcohol methanol (CH3OH) are infinitely soluble in each other. The primary intermolecular force responsible for this is:a. Lond...

Solved • Jan 20, 2020

Solutions, Molarity and Intermolecular Forces

Q. When equal volumes of the following pairs of liquids are mixed thoroughly and allowed to stand, which pair is most likely to separate into two laye...

Solved • Dec 20, 2019

Solutions, Molarity and Intermolecular Forces

Q. Which of the following statements is TRUE?A. If the heat of solution is negative for a solid in a liquid, then more solid will dissolve at higher t...

Solved • Dec 20, 2019

Solutions, Molarity and Intermolecular Forces

Q. State whether each of the following will be more soluble in ethanol or hexaneI. methane II. NH3 III. Na2CO3a. hexane, ethanol, hexaneb. ethanol, he...

Solved • Dec 19, 2019

Solutions, Molarity and Intermolecular Forces

Q. State whether each of the following will be more soluble in water or hexane I. butane II. CH 3COOH III. K 2SO 4 

Solved • Dec 19, 2019

Solutions, Molarity and Intermolecular Forces

Q. Which of the following is more soluble in water, ethanol of CBr2H2(l). Don't try to type the subscripts, use letters and numbers.

Solved • Dec 16, 2019

Solutions, Molarity and Intermolecular Forces

Q. Which of the following is less soluble in hexane, methanol or CH3Br(l). Don't try to type the subscripts, just use letters and numbers.

Solved • Dec 12, 2019

Solutions, Molarity and Intermolecular Forces

Q. Which of the following is less soluble in hexane, methanol or CH3Br(l). Don't try to type the subscripts, just use letters and numbers.A. methanolB...

Solved • Dec 11, 2019

Solutions, Molarity and Intermolecular Forces

Q. When windshields are treated with Rain-X, water quickly beads up and runs off rather than sticking more tightly to the glass. Which of the followin...

Solved • Nov 1, 2019

Solutions, Molarity and Intermolecular Forces

Q. What happens in the solutions process?

Solved • Aug 25, 2019

Solutions, Molarity and Intermolecular Forces

Q. What is the difference between a solvent and a solute?

Solved • Aug 25, 2019

Solutions, Molarity and Intermolecular Forces

Q. Is glucose soluble in water?

Solved • Aug 25, 2019

Solutions, Molarity and Intermolecular Forces

Q. Is benzene soluble in water?

Solved • Aug 25, 2019

Solutions, Molarity and Intermolecular Forces

Q. How is the miscibility of a liquid with water related to the liquid's polarity? Check all that applyThe more polar the liquid, the more likely that...

Solved • Aug 2, 2019

Solutions, Molarity and Intermolecular Forces

Q. The "free-base" form of cocaine (C17H21NO4) and its protonated hydrochloride form (C17H22ClNO4) are shown below; the free-base form can be converte...

Solved • Dec 3, 2018

Solutions, Molarity and Intermolecular Forces

Q. The "free-base" form of cocaine (C17H21NO4) and its protonated hydrochloride form (C17H22ClNO4) are shown below; the free-base form can be converte...

Solved • Dec 3, 2018

Solutions, Molarity and Intermolecular Forces

Q. The anion (v) is called "BARF" by chemists, as its common abbreviation sounds similar to this word.Tetrabutylammonium, (CH3CH2CH2CH2)4N+ is a bulky...

Solved • Dec 3, 2018

Solutions, Molarity and Intermolecular Forces

Q. Consider water and glycerol , CH2( OH)CH(OH)CH2OH.Would you expect them to be miscible in all proportions?

Solved • Dec 3, 2018

Solutions, Molarity and Intermolecular Forces

Q. Enthalpy changes accompanying the solution process.How does the magnitude of Hmix compare with the magnitude of Hsolvent+Hsolute ...

Solved • Dec 3, 2018

Solutions, Molarity and Intermolecular Forces

Q. Soaps consist of compounds such as sodium stearate, CH3(CH2)16COO–Na+, that have both hydrophobic and hydrophilic parts. Consider the hydrocarbon p...

Solved • Dec 3, 2018

Solutions, Molarity and Intermolecular Forces

Q. Soaps consist of compounds such as sodium stearate, CH3(CH2)16COO–Na+, that have both hydrophobic and hydrophilic parts. Consider the hydrocarbon p...

Solved • Dec 3, 2018

Solutions, Molarity and Intermolecular Forces

Q. Soaps consist of compounds such as sodium stearate, CH3(CH2)16COO–Na+, that have both hydrophobic and hydrophilic parts. Consider the hydrocarbon p...

Solved • Dec 3, 2018

Solutions, Molarity and Intermolecular Forces

Q. If you put a drop of food coloring in water and watch the drop disperse, is entropy increasing or decreasing?

Solved • Dec 3, 2018

Solutions, Molarity and Intermolecular Forces

Q. KBr is relatively soluble in water, yet its enthalpy of solution is +19.8 kJ/mol. Which of the following statements provides the best explanation f...

Solved • Dec 3, 2018

Solutions, Molarity and Intermolecular Forces

Q. You may want to reference (Pages 532 - 538)Section 13.3 while completing this problem.Which of the following solvents will best dissolve wax, which...

Solved • Dec 3, 2018

Solutions, Molarity and Intermolecular Forces

Q. Two nonpolar organic liquids, hexane (C6H14) and heptane (C7H16), are mixed.Do you expect Hsoln to be a large positive number, a large negative num...

Solved • Dec 3, 2018

Solutions, Molarity and Intermolecular Forces

Q. Two nonpolar organic liquids, hexane (C6H14) and heptane (C7H16), are mixed.Hexane and heptane are miscible with each other in all proportions. In ...

Solved • Dec 3, 2018

Solutions, Molarity and Intermolecular Forces

Q. Common laboratory solvents include acetone (CH3COCH3), methanol (CH3OH), toluene (C6H5CH3), and water.Which of these is the best solvent for nonpol...

Solved • Dec 3, 2018

Solutions, Molarity and Intermolecular Forces

Q. Would you expect alanine (an amino acid)  to be more soluble in water or in hexane?

Solved • Dec 3, 2018

Solutions, Molarity and Intermolecular Forces

Q. Consider the following values for enthalpy of vaporization (kJ/mol) of several organic substances.Account for the variations in heats of vaporizati...

Solved • Dec 3, 2018

Solutions, Molarity and Intermolecular Forces

Q. Consider the following values for enthalpy of vaporization (kJ/mol) of several organic substances.Use intermolecular forces, including hydrogen-bon...

Solved • Dec 3, 2018

Solutions, Molarity and Intermolecular Forces

Q. Ibuprofen, widely used as a pain reliever, has a limited solubility in water, less than 1 mg/mL. Which part of the molecules structure (gray, white...

Solved • Dec 3, 2018

Solutions, Molarity and Intermolecular Forces

Q. Ibuprofen, widely used as a pain reliever, has a limited solubility in water, less than 1 mg/mL. Which part of the molecule (gray, white, red) cont...

Solved • Dec 3, 2018

Solutions, Molarity and Intermolecular Forces

Q. The structures of vitamins E and B6 are shown below.Predict which is more water soluble and which is more fat soluble.

Solved • Dec 3, 2018

Solutions, Molarity and Intermolecular Forces

Q. This figure shows the interaction of a cation with surrounding water molecules.Which atom of water is associated with the cation?

Solved • Dec 3, 2018

Solutions, Molarity and Intermolecular Forces

Q. This figure shows the interaction of a cation with surrounding water molecules.Which of the following explanations accounts for the fact that the i...

Solved • Dec 3, 2018

Solutions, Molarity and Intermolecular Forces

Q. Would you expect stearic acid, CH3 (CH2 )16 COOH, to be more soluble in water or in carbon tetrachloride?

Solved • Dec 3, 2018

Solutions, Molarity and Intermolecular Forces

Q. Which would you expect to be more soluble in water, cyclohexane or dioxane?

Solved • Dec 3, 2018

Solutions, Molarity and Intermolecular Forces

Q. Label the following processes as exothermic or endothermic:forming solvent-solute interactions from separated particles

Solved • Dec 3, 2018

Solutions, Molarity and Intermolecular Forces

Q. When ammonium chloride dissolves in water, the solution becomes colder.Is the solution process exothermic or endothermic?

Solved • Dec 3, 2018

Solutions, Molarity and Intermolecular Forces

Q. Structure and solubilitySuppose the hydrogens on the OH groups in glucose (refer the figure) were replaced with methyl groups, CH3.Would you expect...

Solved • Dec 3, 2018

Solutions, Molarity and Intermolecular Forces

Q. You may want to reference (Pages 526 - 530) Section 13.1 while completing this problem.Indicate the type of solute–solvent interaction (Section 11....

Solved • Dec 3, 2018

Solutions, Molarity and Intermolecular Forces

Q. How does the orientation of H2O molecules around Na+ differ from that around Cl–?

Solved • Dec 3, 2018

Solutions, Molarity and Intermolecular Forces

Q. Explain why 1-propanol (CH3CH2CH2OH) is miscible in both water (H2O) and hexane (C6H6) when hexane and water are barely soluble in each other.

Solved • Dec 3, 2018

Solutions, Molarity and Intermolecular Forces

Q. Specify whether each compound is soluble in hexane.(a) water (H2O)(b) propane (CH3CH2CH3)(c) ammonia (NH3)(d) hydrogen chloride (HCl)

Solved • Dec 3, 2018

Solutions, Molarity and Intermolecular Forces

Q. For each compound, would you expect greater solubility in water or in hexane? Indicate the kinds of intermolecular forces that would occur between ...

Solved • Dec 3, 2018

Solutions, Molarity and Intermolecular Forces

Q. Which molecule would you expect to be more soluble in water: CCl4 or CH2Cl2?

Solved • Dec 3, 2018

Solutions, Molarity and Intermolecular Forces

Q. When ammonium chloride (NH4Cl) is dissolved in water, the solution becomes colder. Why does the solution form? What drives the process?

Solved • Dec 3, 2018

Solutions, Molarity and Intermolecular Forces

Q. ​A solution contains 4.08 g of chloroform (CHCl3 ) and 9.29 g of acetone (CH3 COCH3 ). The vapor pressures at 35 oC of pure chloroform and pure ace...

Solved • Dec 3, 2018

Solutions, Molarity and Intermolecular Forces

Q. A solution is an equimolar mixture of two volatile components A and B. Pure A has a vapor pressure of 50 torr and pure B has a vapor pressure of 10...

Solved • Dec 3, 2018

Solutions, Molarity and Intermolecular Forces

Q. Pick an appropriate solvent from the table below to dissolve each substance. State the kind of intermolecular forces that would occur between the s...

Solved • Dec 3, 2018

Solutions, Molarity and Intermolecular Forces

Q. Pick an appropriate solvent from the table below to dissolve each substance. State the kind of intermolecular forces that would occur between the s...

Solved • Dec 3, 2018

Solutions, Molarity and Intermolecular Forces

Q. Pick an appropriate solvent from the table below to dissolve each substance. State the kind of intermolecular forces that would occur between the s...

Solved • Dec 3, 2018

Solutions, Molarity and Intermolecular Forces

Q. Which compound do you expect to be miscible with octane (C8H18)?a) CH3OHb) CBr4c) H2Od) NH3

Solved • Dec 3, 2018

Solutions, Molarity and Intermolecular Forces

Q. A solution of methanol and water has a mole fraction of water of 0.312 and a total vapor pressure of 211 torr at 39.9oC. The vapor pressures of pur...

Solved • Dec 3, 2018

Solutions, Molarity and Intermolecular Forces

Q. Why do two ideal gases thoroughly mix when combined? What drives the mixing?

Solved • Dec 3, 2018

Solutions, Molarity and Intermolecular Forces

Q. Why is entropy important in discussing the formation of solutions?

Solved • Dec 3, 2018

Solutions, Molarity and Intermolecular Forces

Q. AlcoholSolubility in H2O (mol alcohol/100 g H2O)Solubility in Hexane (C6H14) (mol alcohol/100 g C6H14)Methanol (CH3OH)Miscible0.12Ethanol (CH3CH2OH...

Solved • Dec 3, 2018

Solutions, Molarity and Intermolecular Forces

Q. Which of the following pairs of substances would you expect to form homogeneous solutions when combined?(a) CCl4 and  H2 O(b) KCl and H2O(c) Br2 an...

Solved • Nov 27, 2018

Solutions, Molarity and Intermolecular Forces

Q. Bronze is a solid solution of Cu(s) and Sn(s); solutions of metals like this that are solids are called alloys. There is a range of compositions ov...

Solved • Oct 31, 2018

Solutions, Molarity and Intermolecular Forces

Q. What is the difference between the solute and the solvent?(a) The solvent is the majority component of the mixture, and the solute is the minority ...

Solved • Oct 31, 2018

Solutions, Molarity and Intermolecular Forces

Q. State whether the entropy of the system increases or decreases in each of the following processes:(c) Ethanol (CH3CH2OH) dissolves in 1-propanol (C...

Solved • Oct 30, 2018

Solutions, Molarity and Intermolecular Forces

Q. State whether the entropy of the system increases or decreases in each of the following processes: (a) Gasoline burns in a car engine.

Solved • Oct 30, 2018

Solutions, Molarity and Intermolecular Forces

Q. Which member of each pair is more soluble in water? Why?(a) CH3CH2OCH2CH3(l) or CH3CH2OCH3(g)

Solved • Oct 29, 2018

Solutions, Molarity and Intermolecular Forces

Q. Which member of each pair is more soluble in diethyl ether? Why?(a) NaCl(s) or HCl(g)

Solved • Oct 29, 2018

Solutions, Molarity and Intermolecular Forces

Q. Which gives the more concentrated solution, stearic acid [CH3(CH2)16COOH] in (a) H2O or (b) CCl4? Explain.

Solved • Oct 29, 2018

Solutions, Molarity and Intermolecular Forces

Q. Which gives the more concentrated solution,  (a) KNO3 in H2O or (b) KNO3 in carbon tetrachloride (CCl4)? Explain.

Solved • Oct 29, 2018

Solutions, Molarity and Intermolecular Forces

Q. Which of the following gases is expected to be most soluble in water? Explain your reasoning.(a) CH4(b) CCl4(c) CHCl3

Solved • Oct 29, 2018

Solutions, Molarity and Intermolecular Forces

Q. Suggest an explanation for the observations that ethanol, C2H5OH, is completely miscible with water and that ethanethiol, C2H5SH, is soluble only t...

Solved • Oct 29, 2018

Solutions, Molarity and Intermolecular Forces

Q. Compare the processes that occur when methanol (CH3OH), hydrogen chloride (HCl), and sodium hydroxide (NaOH) dissolve in water. Write equations and...

Solved • Oct 29, 2018

Solutions, Molarity and Intermolecular Forces

Q. Consider the solutions presented:(a) Which of the following sketches best represents the ions in a solution of Fe(NO3)3(aq)?(b) Write a balanced ch...

Solved • Oct 29, 2018

Solutions, Molarity and Intermolecular Forces

Q. For each of the following pairs, predict which substance is more soluble in water: CH3OH or CH 3CH2OH.

Solved • Oct 29, 2018

Solutions, Molarity and Intermolecular Forces

Q. Explain why the ions Na+ and Cl− are strongly solvated in water but not in hexane, a solvent composed of nonpolar molecules.

Solved • Oct 29, 2018

Solutions, Molarity and Intermolecular Forces

Q. For each of the following pairs, predict which substance is more soluble in water: CH3NH2 or NH 3.

Solved • Oct 29, 2018

Solutions, Molarity and Intermolecular Forces

Q. In flushing and cleaning columns used in liquid chromatography to remove adsorbed contaminants, a series of solvents is used. Hexane (C6H14), chlor...

Solved • Oct 29, 2018

Solutions, Molarity and Intermolecular Forces

Q. Rationalize the trend in water solubility for the following simple alcohols:

Solved • Oct 29, 2018

Solutions, Molarity and Intermolecular Forces

Q. Predict whether each of the following substances would be more soluble in water (polar solvent) or in a hydrocarbon such as heptane (C7H16, nonpola...

Solved • Oct 29, 2018

Solutions, Molarity and Intermolecular Forces

Q. Which ion in each of the following pairs would you expect to be more strongly hydrated? Why?c. Fe2+ or Fe3+

Solved • Oct 29, 2018