Chapter3 Flashcards
0
Q
Number of Sig Digs
2.01
Type of zeros?
A
3
Captive
1
Q
Number of Sig Digs
3,002
Type of zeros?
A
4
Captive
2
Q
Number of Sig Digs
50.00
Type of zeros?
A
4
Trailing
3
Q
Number of Sig Digs
0.003
Type of zeros?
A
1
Leading
4
Q
0.0040
A
Two
Leading
Trailing
5
Q
250
A
2
Trailing
6
Q
This is the problem:
1.1+9.11+2.111=12.321
What is the answer with sig digs?
A
12.3
7
Q
Sig digs are used for ___ values.
A
Measured
8
Q
What types of numbers do you disregard the number of sig digs?
A
Counting (3 students)
Constants (# of atoms in a mole)
Conversion factors (12 inches in 1 foot)
9
Q
SI unit for weight
A
Kg
10
Q
SI unit for temperature
A
Kelvin
11
Q
Which unit has a different base unit on the metric system and the SI measurement system?
A
Metric-gram
SI- kilogram
12
Q
Celsius to kelvin
A
C+273=K
13
Q
Kelvin to Celsius
A
K-273=C
14
Q
“Cute” conversion factor
A
ImL = 1cm cubed
