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Question
The boiling points of some group 7A hydrides are tabulated below.
gas b.p. (C)
NH3 --33
PH3 -88
AsH3 -62
Which intermolecular force or bond is responsible for the high boiling point of NH3 relative to PH3 and AsH3?
A.hydrogen bonding
B.dipole/induced dipole force
C.induced dipole/induced dipole force
D.covalent bonding
E.dipole-dipole force
Answer
This answer is hidden. It contains 2 characters.
Related questions
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Q:
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Q:
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Q:
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Q:
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Q:
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If a metal crystallizes in a primitive cubic lattice, each metal atom has ____ "nearest neighbors."
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If a metal crystallizes in a face-centered cubic lattice, each metal atom has ____ "nearest neighbors."
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Which equation represents the number of atoms in a body-centered cubic unit cell?
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B.
C.
D.
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Q:
The solubility product equilibrium constant, Ksp, of silver bromide is 5.4 10-13 at 298 K.
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Q:
What is the equilibrium constant for reaction below at 25 C? (R = 8.314 J/Kmol)2 NO(g) + O2(g) 2 NO2(g)given DfG [NO(g)] = +86.6 kJ/mol and DfG [NO2(g)] = +51.2 kJ/mol.A.3.9 10-13B.1.0C.2.6 1012D.1.6 106E.3.8 1028
Q:
All of the following relationships are true EXCEPT
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Q:
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Q:
If a chemical reaction is exothermic, but not spontaneous, which of the following must be true?
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C.DrG > 0, DrS < 0 and DrH > 0
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