Among liquid bromine and the interhalogen compound, the compound having higher boiling point should be identified. Also the reason for the difference in boiling point should be stated. Concept introduction: The set of repulsive and attractive force between molecules that result from the polarity between neighboring molecules is represented as intermolecular force. There are four types of intermolecular forces: Hydrogen bonding London dispersion force Ion – dipole force Dipole – Dipole force Ion – dipole force is a strong intermolecular force as it contains both ionic and polar bonds. Hydrogen bond: Hydrogen is bonded to strong electronegative atom like oxygen, nitrogen etc. Dipole – Dipole: This force takes place between two polar compounds. London dispersion force: This force is present in all compounds and is a weak force.
Among liquid bromine and the interhalogen compound, the compound having higher boiling point should be identified. Also the reason for the difference in boiling point should be stated. Concept introduction: The set of repulsive and attractive force between molecules that result from the polarity between neighboring molecules is represented as intermolecular force. There are four types of intermolecular forces: Hydrogen bonding London dispersion force Ion – dipole force Dipole – Dipole force Ion – dipole force is a strong intermolecular force as it contains both ionic and polar bonds. Hydrogen bond: Hydrogen is bonded to strong electronegative atom like oxygen, nitrogen etc. Dipole – Dipole: This force takes place between two polar compounds. London dispersion force: This force is present in all compounds and is a weak force.
Solution Summary: The author explains that liquid bromine and the interhalogen compound have higher boiling points due to the difference in electronegativity.
Interpretation: Among liquid bromine and the interhalogen compound, the compound having higher boiling point should be identified. Also the reason for the difference in boiling point should be stated.
Concept introduction: The set of repulsive and attractive force between molecules that result from the polarity between neighboring molecules is represented as intermolecular force. There are four types of intermolecular forces:
Hydrogen bonding
London dispersion force
Ion – dipole force
Dipole – Dipole force
Ion – dipole force is a strong intermolecular force as it contains both ionic and polar bonds.
Hydrogen bond: Hydrogen is bonded to strong electronegative atom like oxygen, nitrogen etc.
Dipole – Dipole: This force takes place between two polar compounds.
London dispersion force: This force is present in all compounds and is a weak force.
9. OA. Rank the expected boiling points of the compounds shown below from highest to lowest. Place your answer
appropriately in the box. Only the answer in the box will be graded. (3) points)
OH
OH
بر بد بدید
2
3
There is an instrument in Johnson 334 that measures total-reflectance x-ray fluorescence (TXRF) to do elemental analysis (i.e., determine what elements are present in a sample). A researcher is preparing a to measure calcium content in a series of well water samples by TXRF with an internal standard of vanadium (atomic symbol: V). She has prepared a series of standard solutions to ensure a linear instrument response over the expected Ca concentration range of 40-80 ppm. The concentrations of Ca and V (ppm) and the instrument response (peak area, arbitrary units) are shown below. Also included is a sample spectrum. Equation 1 describes the response factor, K, relating the analyte signal (SA) and the standard signal (SIS) to their respective concentrations (CA and CIS).
Ca, ppm
V, ppm
SCa, arb. units
SV, arb. units
20.0
10.0
14375.11
14261.02
40.0
10.0
36182.15
17997.10
60.0
10.0
39275.74
12988.01
80.0
10.0
57530.75
14268.54
100.0…
A mixture of 0.568 M H₂O, 0.438 M Cl₂O, and 0.710 M HClO are enclosed in a vessel at 25 °C.
H₂O(g) + C₁₂O(g) = 2 HOCl(g)
K = 0.0900 at 25°C
с
Calculate the equilibrium concentrations of each gas at 25 °C.
[H₂O]=
[C₁₂O]=
[HOCI]=
M
Σ
M
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