June 2002 Regents 11-20
Other Regents Exams
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|11 Which of the following
atoms has the greatest tendency to attract electrons?
|4||Definition of Electronegativity
|12 Which 5.0-milliliter
sample of NH3 will take the shape of and completely fill a closed 100.0-milliliter container?
|3||Gases complete fill a closed container.|
|13 The strongest forces of
attraction occur between molecules of
|2||Forces of Attraction + Hydrogen Compounds=
HF, NH3, H2O
|14 Which graph shows the
pressure-temperature relationship expected for
an ideal gas?
P T V
|15 At the same temperature
and pressure, which sample contains the same
number of moles of particles as 1 liter of O2(g)?
(1) 1 L Ne(g)
(3) 0.5 L SO2(g)
Different Gases, at the same conditions
Same volumes; Same # of Molecules
|16 Which change in the
temperature of a 1-gram sample of water would
cause the greatest increase in the average kinetic energy of its molecules?
|3||Definition of Temperature
(Average Kinetic Energy)
|17 Which compound is
classified as a hydrocarbon?
|1||Hydrocarbon- Hydrogen and carbon only|
|1||Oxidation the ox. Number increases
Don't even worry about electrons in this question.
|19 Which formula is an
isomer of butane?
||4||Definition-Isomer, same formula different structure
Butane-4 carbons all single bonded to hydrogen
|20 Which particles are
gained and lost during a redox reaction?
|1||Redox-electrons transfer, oxidation numbers change|
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