Chemistry
Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Question 1
Which of the following characteristics indicates the presence of strong intermolecular forces in a liquid?
O high vapor pressure
O low viscosity
O low boiling point
O high surface tension
O high molarity
O high molarity
Question 2
How many grams of water can be vaporized at its boiling point by 425 kJ of heat? (for H₂O AH°vap = 40.67 kJ/mol)
O 7650 g
732 g
O 1.72 g
O 23.6 g
O 188 g
Question 3
O 4.5°C
O -2.7°C
O 5.3°C
What is the freezing point of a solution prepared by dissolving 1.5 mol of sucrose (C12H22011) in 625 g of water? (K, for wate
°C/m)
O -5.3°C
O-4.5°C
Question 4
O 0.102
O 0.0752
.951
܀
O 0.0263
O 0.0113
܀
*
The vapor pressure of pure acetone (CH3COCH3) is 266 torr. at some temperature. When a nonvolatile and nonelectrolyte s
added, the vapor pressure of acetone above the solution falls to 253 torr. What is the mole fraction of the acetone in the sc
%
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Transcribed Image Text:Question 1 Which of the following characteristics indicates the presence of strong intermolecular forces in a liquid? O high vapor pressure O low viscosity O low boiling point O high surface tension O high molarity O high molarity Question 2 How many grams of water can be vaporized at its boiling point by 425 kJ of heat? (for H₂O AH°vap = 40.67 kJ/mol) O 7650 g 732 g O 1.72 g O 23.6 g O 188 g Question 3 O 4.5°C O -2.7°C O 5.3°C What is the freezing point of a solution prepared by dissolving 1.5 mol of sucrose (C12H22011) in 625 g of water? (K, for wate °C/m) O -5.3°C O-4.5°C Question 4 O 0.102 O 0.0752 .951 ܀ O 0.0263 O 0.0113 ܀ * The vapor pressure of pure acetone (CH3COCH3) is 266 torr. at some temperature. When a nonvolatile and nonelectrolyte s added, the vapor pressure of acetone above the solution falls to 253 torr. What is the mole fraction of the acetone in the sc % CamScanner MacBook Pro % MacBook Pro
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