January 2024 Chemistry Regents Questions 11-20 Question Preview (ID: 62916)


The Questions In This Practice Exam Are Thoughtfully Crafted To Assess Your Knowledge And Skills. They Cover A Range Of Topics And Formats, Offering A Valuable Opportunity For Self-assessment And Preparation. TEACHERS: click here for quick copy question ID numbers.

Which sample at STP contains the same number of atoms as 2.0 liters of He(g) at STP?
a) 1.0 liter of Ar(g)
b) 2.0 liters of Ar(g)
c) 3.0 liters of Ne(g)
d) 4.0 liters of Ne(g)

According to the kinetic molecular theory, an ideal gas has particles with
a) large volume
b) large atomic radii
c) no attractive forces
d) no random motion

Heat flows from an object at a temperature of 20°C to an object at a temperature of
a) 15°C
b) 25°C
c) 35°C
d) 45°C

Atoms of which element have the strongest attraction for electrons in a chemical bond?
a) fluorine
b) nitrogen
c) phosphorus
d) potassium

What occurs when two atoms of bromine react to form a molecule of bromine?
a) A bond is broken as energy is released.
b) A bond is broken as energy is absorbed.
c) A bond is formed as energy is released.
d) A bond is formed as energy is absorbed.

Which molecule is symmetrical in both shape and distribution of charge?
a) HCl
b) H2O
c) NH3
d) CH4

Which molecule of an element contains a multiple covalent bond?
a) Br2
b) F2
c) H2
d) O2

A 2.5 L sample of SO2(g) at STP and a 2.5 L sample of CO2(g) at STP can be differentiated by comparing their
a) masses
b) phases
c) temperatures
d) volumes

Which terms identify the two different major categories of compounds?
a) covalent and molecular
b) covalent and thermal
c) ionic and molecular
d) ionic and thermal

All chemical systems at equilibrium have equal
a) masses of reactants and products
b) concentrations of reactants and products
c) rates of forward and reverse reactions
d) activation energies of forward and reverse reactions

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