Chemistry, 13.05.2021 01:00 lexigarwood
Help please
The four rows of data below show the boiling points for a solution with no solute, sucrose (C12H22O11), sodium chloride (NaCl), and calcium chloride (CaCl2) (not in that order). Which boiling point corresponds to calcium chloride?
Data table
A. 101.53° C
B. 100.00° C
C. 101.02° C
D. 100.51° C
Which of the following solutions will have the lowest freezing point?
A. 1.0 mol/kg sucrose (C12H22O11)
B. 1.0 mol/kg lithium chloride (LiCl)
C. 1.0 mol/kg sodium phosphide (Na3P)
D. 1.0 mol/kg magnesium fluoride (MgF2)
Which of the following compounds will be most effective in melting the ice on the roads when the air temperature is below zero?
A. sodium iodide (NaI)
B. magnesium sulfate (MgSO4)
C. potassium bromide (KBr)
D. All will be equally effective.
Four different solutions have the following vapor pressures at 100°C. Which solution will have the greatest boiling point?
A. 98.7 kPa
B. 96.3 kPa
C. 101.3 kPa
D. 100.2 kPa
Four different solutions have the following boiling points. Which boiling point corresponds to a solution with the lowest freezing point?
A. 101.2°C
B. 105.9°C
C. 102.7°C
D. 108.1°C
Answers: 1
Chemistry, 22.06.2019 05:50
What are transitions between a liquid and a solid called? identify which way they are transitioning
Answers: 2
Chemistry, 22.06.2019 11:00
Which statement is true about hcl? (5 points) select one: a. it is a salt because it increases the concentration of metallic ions. b. it is a salt because it is formed by the reaction of an acid and a base. c. it is an acid because it increases the concentration of hydroxyl ions. d. it is an acid because it increases the concentration of hydronium ions.
Answers: 1
Chemistry, 22.06.2019 13:00
The molality of calcium chloride (cacl2) in an aqueous solution is 2.46 m. what is mole fraction of the solute?
Answers: 3
Help please
The four rows of data below show the boiling points for a solution with no solute, sucr...
Mathematics, 31.01.2020 10:52
Physics, 31.01.2020 10:52
Mathematics, 31.01.2020 10:52
English, 31.01.2020 10:52
Computers and Technology, 31.01.2020 10:52
Mathematics, 31.01.2020 10:52
English, 31.01.2020 10:52
Biology, 31.01.2020 10:52
Social Studies, 31.01.2020 10:52
Mathematics, 31.01.2020 10:53