1. Carry out the following calculations, expressing each result
with the correct number of significant figures:?
a) 16.421 g + 0.050 48 g = ?
g
b) 4.6742 g / 0.003 71 L = ?
g/L
c) 0.541 mL + 32.1 mL - 2.5833 mL = ? mL
2. The following cylinder contains three liquids that do not mix
with one another:
water (density=1.0g/mL),
vegetable oil (density=0.93g/mL),
and mercury (density=13.5g/mL
-Which liquid is which?
a.Top liquid is?
b. Middle liquid...
Perform the following calculations and round off the answers to
proper significant
figures:
1. 9.82 ml + 10.0 ml + 9.980 ml =
2. (62.927 g/ml)(10.0 ml) =
Show calculation work
State the number of significant figures in each of the
following. (a) 70 (This is a measurement rather than a count.) (b)
9.7 104 (c) 9.70 104 (d) 7.09 104 (e) 7.090 104 (f) 0.0097 (g)
0.079 (h) 0.0907
1 Scientific Notation and Units
•Know how to identify the correct number of significant figures
in a number .•Know how to work with powers of 10.
•Know the main metric units for mass, distance, force, etc.
•Know how to convert between scales for a unit, eg how many
centimeters in akilometer.
2 Motion
2.1 Equations•v=∆x∆t•a=∆v∆t
2.2 Skills
•Understand the relationship between acceleration and velocity,
and what kind ofmotion occurs when they are same/opposite.
•Know that average velocity is used when...