Homework Answers
It is due to surface tension. (D) is correct option.
As surface tension is the force perpendicular to the surface of liquid
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14. A paper clip floating on the top of water is an example of A) capillary...
Why are water molecules less dense in ice than in water? Specific heat Van der Waals...
Why are water molecules less dense in ice than in water? Specific heat Van der Waals forces Hydrogen bonding Ice floats Which of the following are properties of water molecules? Select all that apply. Cohesion Surface tension Capillary action Adhesion
Data Table 3. Drops of Water. Estimation Result Drops of water 0g &Drops of water Questions...
Data Table 3. Drops of Water. Estimation Result Drops of water 0g &Drops of water Questions A. How did the experiment in Part I demonstrate surface tension? Use your experiment observations when answering this question. B. In Part I, when adding the needle to the water, which approach worked best to balance the needle on the water-the vertical or horizontal placement? Explain your answer. C. In Part II, how did your paper clip estimation compare to your paper clip results?...
8. While methanol boils at a temperature of 65 °C, water boils at a temperature of...
8. While methanol boils at a temperature of 65 °C, water boils at a temperature of 100 °C. What is the best explanation for the higher boiling point of water? A Dispersion forces and dipole-dipole forces, but not hydrogen bonding B. Dipole-dipole forces, but not hydrogen bonding C. Dispersion forces and hydrogen bonding D. Dispersion forces E. Hydrogen bonding
Classify each substance based on the intermolecular forces present in that substance. Dispersion only Dipole-dipole and...
Classify each substance based on the intermolecular forces present in that substance. Dispersion only Dipole-dipole and dispersion only Hydrogen bonding, dipole-dipole, and dispersion Answer Bank CH,C H2o CH co Match each property of a liquid to what it indicates about the relative strength of the intermolecular forces in that liquid. Weak intermolecular forces Strong intermolecular forces high surface tension high vapor pressure high boiling point high viscosity Answer Bank
for which of the following elements (in their normal, stable, and forms) would it be correct...
for which of the following elements (in their normal, stable,
and forms) would it be correct to describe the bonding as involving
a "sea of electrons"?
can you give me the correct answers for these two
questions?
QUESTION 11 For which of the following elements in their normal, stable, forms) would it be correct to describe the bonding as involving a 'sea of electrons"? A hydrogen B. nellum C. sulfur D. Iodine O Ethium QUESTION 2 When water rises in...
The intermolecular forces that occur when LiBr dissolves in water. A) hydrogen bonding B) dispersion C)...
The intermolecular forces that occur when LiBr dissolves in water. A) hydrogen bonding B) dispersion C) ion-dipole D) dipole-dipole E) ionic why?
Consider the following four solutions: NaCl in water Acetic acid in water Acetic acid in benzene...
Consider the following four solutions: NaCl in water Acetic acid in water Acetic acid in benzene Naphthalene in benzene Which of these solutions has the strongest solute-solvent interactions and the interaction is of which type? Select one: a. Acetic acid in water; hydrogen bonding b. Acetic acid in benzene; dipole-induced dipole interaction c. NaCl in water; ion-dipole interaction d. Naphthalene in benzene; London Dispersion Forces e. NaCl in water; hydrogen bonding
13. Rachel wants to calculate the nH. What is the pH of 0.1 M HCl aqueous...
13. Rachel wants to calculate the nH. What is the pH of 0.1 M HCl aqueous solution? b. 2 c. 4 d. 7 e. 11 Answer: 14. Ekpe learns water has special properties. Which of the following is NOT correct for water a. It forms hydrogen bonding. b. It is non-polar. c. It has dipole-dipole interactions. d. It has a high surface tension. e. The density of water is highest at 4 °C. Answer: 15. Obinna finds that the physiological...
Water has significant IMF, which result in many of its unique properties—high boiling point relative to...
Water has significant IMF, which result in many of its unique properties—high boiling point relative to its molecular weight, high surface tension, strong capillary action. Draw the molecular structures for six water molecules and show how they might organize themselves due to hydrogen-bonding. Show the H-bonds with dotted lines.
14. (3 pts.) The ionized benzoic acid dissolves better in water than it does in diethyl ether, which is how and why it...
14. (3 pts.) The ionized benzoic acid dissolves better in water than it does in diethyl ether, which is how and why it is extracted into the water phase. Give the most important IMFs that are responsible for solubilizing the benzoic acid anion in the water. Give also the most important IMFs that are responsible for solubilizing the sodium cation in the water. The kinds of strong IMF that could be present are ion-dipole, hydrogen bonding (ignore dipole-dipole and induced...
Why are water molecules less dense in ice than in water? Specific heat Van der Waals forces Hydrogen bonding Ice floats Which of the following are properties of water molecules? Select all that apply. Cohesion Surface tension Capillary action Adhesion
Data Table 3. Drops of Water. Estimation Result Drops of water 0g &Drops of water Questions A. How did the experiment in Part I demonstrate surface tension? Use your experiment observations when answering this question. B. In Part I, when adding the needle to the water, which approach worked best to balance the needle on the water-the vertical or horizontal placement? Explain your answer. C. In Part II, how did your paper clip estimation compare to your paper clip results?...
8. While methanol boils at a temperature of 65 °C, water boils at a temperature of 100 °C. What is the best explanation for the higher boiling point of water? A Dispersion forces and dipole-dipole forces, but not hydrogen bonding B. Dipole-dipole forces, but not hydrogen bonding C. Dispersion forces and hydrogen bonding D. Dispersion forces E. Hydrogen bonding
Classify each substance based on the intermolecular forces present in that substance. Dispersion only Dipole-dipole and dispersion only Hydrogen bonding, dipole-dipole, and dispersion Answer Bank CH,C H2o CH co Match each property of a liquid to what it indicates about the relative strength of the intermolecular forces in that liquid. Weak intermolecular forces Strong intermolecular forces high surface tension high vapor pressure high boiling point high viscosity Answer Bank
for which of the following elements (in their normal, stable,
and forms) would it be correct to describe the bonding as involving
a "sea of electrons"?
can you give me the correct answers for these two
questions?
QUESTION 11 For which of the following elements in their normal, stable, forms) would it be correct to describe the bonding as involving a 'sea of electrons"? A hydrogen B. nellum C. sulfur D. Iodine O Ethium QUESTION 2 When water rises in...
13. Rachel wants to calculate the nH. What is the pH of 0.1 M HCl aqueous solution? b. 2 c. 4 d. 7 e. 11 Answer: 14. Ekpe learns water has special properties. Which of the following is NOT correct for water a. It forms hydrogen bonding. b. It is non-polar. c. It has dipole-dipole interactions. d. It has a high surface tension. e. The density of water is highest at 4 °C. Answer: 15. Obinna finds that the physiological...
14. (3 pts.) The ionized benzoic acid dissolves better in water than it does in diethyl ether, which is how and why it is extracted into the water phase. Give the most important IMFs that are responsible for solubilizing the benzoic acid anion in the water. Give also the most important IMFs that are responsible for solubilizing the sodium cation in the water. The kinds of strong IMF that could be present are ion-dipole, hydrogen bonding (ignore dipole-dipole and induced...
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