Homework Answers
Macroscopic properties relate to the entire mass.
Microscopic is dealing at molecular levels such as bonding between atoms or ions in a system.
Macroscopic domain are thus = Boiling point elevation, Henry's law, molarity, osmosis
Microscopic somain are the rest = Hydrogen bond, ion-dipole attraction, nonelectrolyte, nonstoichiometric compound, solvated ion.
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11.4 Colligative Properties 26. Which is/are part of the macroscopic domain of solutions and which is/are...
5. If you had 0.10 m solutions of each of the solutions in question #4, which would have: (hint, more ions cause bigger colligative properties, few particles in solution | K" ("C/m) Pur...
5. If you had 0.10 m solutions of each of the solutions in question #4, which would have: (hint, more ions cause bigger colligative properties, few particles in solution | K" ("C/m) Pure Solvents Water Ethanol Benzene | Ke rc/m ) 0.512 1.19 2.65 1.86 1.99 -5.12 will have a smaller colligative affect.) d. the highest vapor pressure? e. the lowest freezing point? a. the highest boiling point? b. the highest freezing point? c. the lowest osmotic pressure? 6. Calculate...
4. Colligative Properties: Consider the following solutions: 1) pure water, and 2) a 0.100 M solution...
4. Colligative Properties: Consider the following solutions: 1) pure water, and 2) a 0.100 M solution of NaCl. Answer the following questions by circling the correct answer, and then explaining your choice (with words or pictures). 0.100 M NaCl soln pure water [A] Which has the lower freezing point? 0.100 M NaCl soln [B] Which has the lower boiling point? pure water (C) Which has the higher vapour pressure? pure water 0.100 M NaCl soln 5. Osmosis: Draw a picture...
Part A What is the predominant intermolecular force in HF? O O O O O ionic...
Part A What is the predominant intermolecular force in HF? O O O O O ionic bonding ion-dipole attraction hydrogen bonding London-dispersion forces dipole-dipole attraction Submit Request Answer Part A Which one of the following should have the lowest boiling point? ONF O LIF OC4HCOOH Cl20 Ne Submit Request Answer Part A With what compound will NHg experience only dispersion intermolecular forces? осныOH OLICI CO2 ОСН3СІ H2O Submit Request Answer
Colligative properties, such as boiling point elevation, depend on the number of dissolved particles in solution....
Colligative properties, such as boiling point elevation, depend on the number of dissolved particles in solution. For nonelectrolytes, no dissociation occurs, and so you can use the number of moles of solute to calculate both molality and molarity. In contrast, electrolytes dissociate, and therefore the molality and molarity must be calculated based on the number of moles of dissociated particles or ions. There are two ions per formula unit of NaCl. Therefore, we would expect the freezing-point depression ΔTf of...
answer 1-4 Which of the following (a-d) is TRUE regarding solid NaCl dissolving in water The...
answer 1-4
Which of the following (a-d) is TRUE regarding solid NaCl dissolving in water The attraction of the water to the ions in NaCl is through dipole-dipole IFs. Water is considered the solute and NaCl the solvent. The partially positive oxygen in water is attracted to the chloride ion. d. The process of separating the sodium ions from the chloride ions is endothermic. All of these statements are true. polar For the following solution, describe the deviation with respect...
XA WinAna): Molarity: M e (mole)/Volume of solution in L), molality me molemas oletne Raoult's law:...
XA WinAna): Molarity: M e (mole)/Volume of solution in L), molality me molemas oletne Raoult's law: PAXA PA' AT, kim; AT. - kom - CRT (Gas constant R0.08206 atm-/mol; Henry's law. of gas = k. Per In (p/p) -(AH/R) (1/T2-1/T.): 1 atm = 760 mm He: Avogadro's number: 6.022 x 10" Part 1. Multiple choice problems (45 points: 5 points for each question) 1. Which of the following gases and pressures will result in the greatest as solubility in 1...
Which of the following best describes London dispersion forces. Question 1 options: the intermolecular forces that...
Which of the following best describes London dispersion forces. Question 1 options: the intermolecular forces that exist when ions from an ionic compound are attracted to the dipole of polar molecules in a mixture. involves molecular orientations in which the positive end of one dipole is near the negative end of another forces that exist only between molecules that contain hydrogen atoms bonded to highly electronegative atoms such as O, N, F. Interactions between temporary dipoles cause atoms to be...
1. Which of the following are the sites within the human body where carbon dioxide and...
1. Which of the following are the sites within the human body where carbon dioxide and oxygen are exchanged? A. Alveoli B. Arteries C. Synapses D. Venules 2. Which of the following describes the most important reason for repeating an experimental investigation? A. To verify the validity of the original findings B. To expand upon the original investigation C. To manipulate the independent variable D. To attempt to disprove the hypothesis 3. Lithium has an atomic number of 3 and...
5. If you had 0.10 m solutions of each of the solutions in question #4, which would have: (hint, more ions cause bigger colligative properties, few particles in solution | K" ("C/m) Pure Solvents Water Ethanol Benzene | Ke rc/m ) 0.512 1.19 2.65 1.86 1.99 -5.12 will have a smaller colligative affect.) d. the highest vapor pressure? e. the lowest freezing point? a. the highest boiling point? b. the highest freezing point? c. the lowest osmotic pressure? 6. Calculate...
4. Colligative Properties: Consider the following solutions: 1) pure water, and 2) a 0.100 M solution of NaCl. Answer the following questions by circling the correct answer, and then explaining your choice (with words or pictures). 0.100 M NaCl soln pure water [A] Which has the lower freezing point? 0.100 M NaCl soln [B] Which has the lower boiling point? pure water (C) Which has the higher vapour pressure? pure water 0.100 M NaCl soln 5. Osmosis: Draw a picture...
Part A What is the predominant intermolecular force in HF? O O O O O ionic bonding ion-dipole attraction hydrogen bonding London-dispersion forces dipole-dipole attraction Submit Request Answer Part A Which one of the following should have the lowest boiling point? ONF O LIF OC4HCOOH Cl20 Ne Submit Request Answer Part A With what compound will NHg experience only dispersion intermolecular forces? осныOH OLICI CO2 ОСН3СІ H2O Submit Request Answer
answer 1-4
Which of the following (a-d) is TRUE regarding solid NaCl dissolving in water The attraction of the water to the ions in NaCl is through dipole-dipole IFs. Water is considered the solute and NaCl the solvent. The partially positive oxygen in water is attracted to the chloride ion. d. The process of separating the sodium ions from the chloride ions is endothermic. All of these statements are true. polar For the following solution, describe the deviation with respect...
XA WinAna): Molarity: M e (mole)/Volume of solution in L), molality me molemas oletne Raoult's law: PAXA PA' AT, kim; AT. - kom - CRT (Gas constant R0.08206 atm-/mol; Henry's law. of gas = k. Per In (p/p) -(AH/R) (1/T2-1/T.): 1 atm = 760 mm He: Avogadro's number: 6.022 x 10" Part 1. Multiple choice problems (45 points: 5 points for each question) 1. Which of the following gases and pressures will result in the greatest as solubility in 1...
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