The vapor pressure in mmHg of a solution that is prepared by mixing15.0 g of CHCl 3 and 37.5 g of CH 2 Cl 2 at 25°C needs to be determined. Concept introduction: Colligative properties are the properties that depend on the number of particles present in the solution. Elevation in boiling point, depression in freezing point, lowering in vapor pressure and osmotic pressure are some common examples of colligative properties. Vapor pressure is the pressure that is exerted by vapor on the liquid surface in a closed system when the system is in thermodynamic equilibrium. When a non-volatile solute is dissolved in a solvent to get the solution, the vapor pressure decreases for the solution and it can be calculated with the help of Raoult’s law. The law states that the vapor pressure of the solution is the product of a mole fraction of the solvent and vapor pressure of the pure solvent.
The vapor pressure in mmHg of a solution that is prepared by mixing15.0 g of CHCl 3 and 37.5 g of CH 2 Cl 2 at 25°C needs to be determined. Concept introduction: Colligative properties are the properties that depend on the number of particles present in the solution. Elevation in boiling point, depression in freezing point, lowering in vapor pressure and osmotic pressure are some common examples of colligative properties. Vapor pressure is the pressure that is exerted by vapor on the liquid surface in a closed system when the system is in thermodynamic equilibrium. When a non-volatile solute is dissolved in a solvent to get the solution, the vapor pressure decreases for the solution and it can be calculated with the help of Raoult’s law. The law states that the vapor pressure of the solution is the product of a mole fraction of the solvent and vapor pressure of the pure solvent.
Solution Summary: The author explains that the vapor pressure of a solution prepared by mixing 15.0 g of CHCl_ 3 at 25°C needs to be determined.
Science that deals with the amount of energy transferred from one equilibrium state to another equilibrium state.
Chapter 13, Problem 13.111SP
Interpretation Introduction
Interpretation:
The vapor pressure in mmHg of a solution that is prepared by mixing15.0 g of CHCl3 and 37.5 g of CH2Cl2 at 25°C needs to be determined.
Concept introduction:
Colligative properties are the properties that depend on the number of particles present in the solution. Elevation in boiling point, depression in freezing point, lowering in vapor pressure and osmotic pressure are some common examples of colligative properties. Vapor pressure is the pressure that is exerted by vapor on the liquid surface in a closed system when the system is in thermodynamic equilibrium.
When a non-volatile solute is dissolved in a solvent to get the solution, the vapor pressure decreases for the solution and it can be calculated with the help of Raoult’s law. The law states that the vapor pressure of the solution is the product of a mole fraction of the solvent and vapor pressure of the pure solvent.
2H2S(g)+3O2(g)→2SO2(g)+2H2O(g)
A 1.2mol sample of H2S(g) is combined with excess O2(g), and the reaction goes to completion.
Question
Which of the following predicts the theoretical yield of SO2(g) from the reaction?
Responses
1.2 g
Answer A: 1.2 grams
A
41 g
Answer B: 41 grams
B
77 g
Answer C: 77 grams
C
154 g
Answer D: 154 grams
D
Part VII. Below are the 'HNMR, 13 C-NMR, COSY 2D- NMR, and HSQC 2D-NMR (similar with HETCOR but axes are reversed) spectra of an
organic compound with molecular formula C6H1003 - Assign chemical shift values to the H and c atoms of the
compound. Find the structure. Show complete solutions.
Predicted 1H NMR Spectrum
4.7 4.6 4.5 4.4 4.3 4.2 4.1 4.0 3.9 3.8 3.7 3.6 3.5 3.4 3.3 3.2 3.1 3.0 2.9 2.8 2.7 2.6 2.5 2.4 2.3 2.2 2.1 2.0 1.9 1.8 1.7 1.6 1.5 1.4 1.3 1.2 1.1
f1 (ppm)
Predicted 13C NMR Spectrum
100
f1 (ppm)
30
220 210 200 190 180
170
160 150 140 130 120
110
90
80
70
-26
60
50
40
46
30
20
115
10
1.0 0.9 0.8
0
-10
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