The normal boiling point of a liquid is the temperature at which its vapor pressure equals which of the following?
A) 1 mm Hg
B) 760 mm Hg
C) The pressure above the liquid
D) The vapor pressure of water
Correct Answer:
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Q24: Which molecule(s)exhibit hydrogen bonding?
A)H2S
B)CH4
C)NH3
D)HCl
E)All of the molecules
Q25: Butane,CH3CH2CH2CH3,has the structure shown below. What is
Q26: Which is an ionic solid?
A)KCl
B)Cu
C)SiO2
D)Rubber
E)Polyethylene
Q27: Which is a molecular solid?
A)MgCl2
B)Au
C)Glass
D)Graphite
E)Sucrose (C12H22O11)
Q28: What volume does 7.50 × 1020 molecules
Q30: A sample of gas contains four gases
Q31: Consider the two liquids A and B
Q32: Which phase change below is endothermic?
A)Deposition
B)Melting
C)Condensation
D)Freezing
Q33: Propanol,CH3CH2CH2OH,has the structure shown below. What is
Q34: Which is a network solid?
A)NaBr
B)Ag
C)SiO2
D)Na
E)Sucrose (C12H22O11)
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