UNE CHEM1010 Midterm EXAM Week 1 - 7
UNE CHEM1010 Midterm EXAM Week 1 - 7
UNE CHEM1010 Midterm EXAM Week 1 - 7
,A Class-A 10 mL pipette is supposed to dispense 10.00 mL
of water. A lab technician makes three measurements of
the volume that the pipette actually dispenses, and
obtains volumes of 10.01 mL, 9.99 mL, and 10.00 mL. The
pipette is
A) Precise, but not accurate
B) Accurate, but not precise
C) Accurate and precise
D) Neither accurate or precise
C) Accurate and precise
,A gas
A) Has fixed shape and volume
B) Expands to completely fill a container
C) Takes shape of a container and forms a horizontal
upper surface
D) Is rigid and has a definite shape
B) Expands to completely fill a container
,