A student wants to investigate the effects of liquid dish detergent on the properties of water. She sets up the following experiment diagrammed below. 5 drops of 10 drops No liquid liquid detergent added of liquid detergent added. detergent Water is filled Cup #1 Cup #2 Cup #3 even to the rim of the cups. According to what you know about the properties of water, which of the following most likely predicts the results of the experiment? The surface tension of water in cup #3 will allow for it to remain rounded on the top of the cup. O The surface tension of water in cup #2 will allow for it to remain rounded on the top of the cup. O The creation of hydrogen bonds in cups #2 and #3 will prevent the water from overflowing. O The polarity of the soap in cups #2 and #3 will prevent the water from overflowing.

A student wants to investigate the effects of liquid dish detergent on the properties of water. She sets up the following experiment diagrammed below. 5 drops of 10 drops No liquid liquid detergent added of liquid detergent added. detergent Water is filled Cup #1 Cup #2 Cup #3 even to the rim of the cups. According to what you know about the properties of water, which of the following most likely predicts the results of the experiment? The surface tension of water in cup #3 will allow for it to remain rounded on the top of the cup. O The surface tension of water in cup #2 will allow for it to remain rounded on the top of the cup. O The creation of hydrogen bonds in cups #2 and #3 will prevent the water from overflowing. O The polarity of the soap in cups #2 and #3 will prevent the water from overflowing.

Chemistry: An Atoms First Approach

2nd Edition

ISBN:9781305079243

Author:Steven S. Zumdahl, Susan A. Zumdahl

Publisher:Steven S. Zumdahl, Susan A. Zumdahl

Chapter10: Properties Of Solutions

Section: Chapter Questions

Problem 129CP: In some regions of the southwest United States, the water is very hard. For example, in Las Cruces,...

See similar textbooks

Similar questions

Describe, on both a microscopic and a macroscopic basis, what happens to a sample of water as it is cooled from room temperture to 50Cbelow its normal freezing point.
When KNO3 is dissolved in water, the resulting solution is significantly colder than the water was originally. (a) Is the dissolution of KNO3 an endothermic or an exothermic process? (b) What conclusions can you draw about the intermolecular attractions involved in the process? (c) Is the resulting solution an ideal solution?
In the distillation of a pure substance (e.g., water), why does all of the water not vaporize at once when the boiling point is reached?
Two samples of sodium chloride solutions are brought to a boil on a stove. One of the solutions boils at 100.10C and the other at 100.15C. a Which of the solutions is more concentrated? b Which of the solutions would have a lower freezing point? c If you split the solution that boils at 100.1C into two portions, how would the boiling points of the samples compare? Which of the following statements do you agree with regarding the determination of your answer for part c? I. The question cannot be answered with certainty without knowing the volumes of each portion. II. Making the necessary assumption that the two samples have equal volumes, I was able to correctly answer the question. III. The volumes that the sample was split into are irrelevant when determining the correct answer.
Caffeine is made up of 49.5% C, 5.2% H, 16.5% O, and 28.9% N. A solution made up of 8.25 g of caffeine and 100.0 mL of benzene (d=0.877g/mL) freezes at 3.03C. Pure benzene (k f =5.10C/m) freezes at 5.500C. What are the simplest and molecular formulas for caffeine?
In some regions of the southwest United States, the water is very hard. For example, in Las Cruces, New Mexico, the tap water contains about 560 g of dissolved solids per milliliter. Reverse osmosis units are marketed in this area to soften water. A typical unit exerts a pressure of 8.0 atm and can produce 45 L water per day. a. Assuming all of the dissolved solids are MgCO3 and assuming a temperature of 27C, what total volume of water must be processed to produce 45 L pure water? b. Would the same system work for purifying seawater? (Assume seawater is 0.60 M NaCl.)
Samples of each of the substances listed below are dissolved in 125 g of water. Which of the solutions has the highest boiling point? (a) 3.0 g sucrose, C12H22O11 (b) 1.0 g glycerol, C3H3(OH)3 (c) 1.0 g propylene glycol, C3H6(OH)2 (d) 2.0 g glucose, C6H12(OH)2
If l-mol samples of urea, a nonelectrolyte, sodium chloride, and calcium chloride are each dissolved in equal volumes of water in separate containers: a Which solution would have the highest boiling point? b Which solution would have the highest freezing point?
A 250-g sample of hard water contains 0.20gofCa(CO3). What is the hardness of the water in parts per million (ppm)? How would the water be classified?
Acetone, CH3COCH3, is a common laboratory solvent. It is usually contaminated with water, however. Why does acetone absorb water so readily? Draw molecular structures showing how water and acetone can interact. What intermolecular force(s) is(are) involved in the interaction?
When a doughnut is placed on a napkin, the napkin will often absorb a liquid and appear moist. What is most likely the nature of the liquid?
Which of the following salts, Li2SO4 or Cs2SO4, is expected to have the more exothermic enthalpy of hydration?