Chem 1020 Final Exam With Correct Solutions

Chem 1020 Final Exam With Correct
Solutions
mass spectrometer CORRECT ANSWERS -separate particles based on their
charge/mass ratios

-detect the presence of isotopes



equation for finding heat/energy or mass of something in a bomb calorimeter when
given calorimeter constant CORRECT ANSWERS m*deltaH + T*Cc = 0



isotopes CORRECT ANSWERS particles having identical charges but differing in
mass



% error CORRECT ANSWERS % error = abs value (accepted value - exp
value)/accepted value



determining activity of a metal CORRECT ANSWERS activity of M1 < activity of
M2: M1 + M2→no rxn



activity of M1 > activity of M2: M1 + M2 → rxn



order of mixing water and acid CORRECT ANSWERS add acid to water



paramagnetism CORRECT ANSWERS an experimental phenomena associated
with atoms having unpaired electrons. such substances are attracted to a magnetic
field.

, the existence of discrete/quantized energy levels in an atom may be inferred from
CORRECT ANSWERS atomic line spectra



quantum numbers: values of l CORRECT ANSWERS l = 0 - (n-1)



quantum numbers: values of ml CORRECT ANSWERS ml = (-l) - (+l)



quantum numbers: values of ms CORRECT ANSWERS ms = -1/2, +1/2



value of l for s, p, d, and f orbitals CORRECT ANSWERS s: l = 0

p: l = 1

d: l = 2

f: l = 3



electropositive atoms CORRECT ANSWERS an element which can give up
electrons, typically metals



inert gas CORRECT ANSWERS noble gas - group 8



which term best characterizes the relation of hydrogen to deuterium CORRECT
ANSWERS isotopes



isoelectronic CORRECT ANSWERS having the same number of electrons