Suppose that you measure a pen to be 10.5 cm long. Convert this to meters. Express your answer in meters. > View Available Hint(s) Templates Symdols undo' rego teset keyboard shortcuts Help 10.5 cm =
States of Matter
The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).
Chemical Reactions and Equations
When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.
![Leaming Goal:
meanings and see that mili means 103. Therefore,
To convert between metric units expressing length, area, and volume.
1 m %3D
1000 mm
The ability to convert from one system of units to another is important in
chemistry. It is often impractical to measure quantities in the standard
meters, kilograms, and seconds, but the laws of science that you learn will
involve constants that are defined in these units. Therefore, you may often
have to convert your measured quantities into different metric units.
The following table lists metric prefixes that come up frequently in
chemistry. Learning these prefixes will help you in the various exercises.
Once you know this, you need to divide one side by the other to obtain a ratio of m to mm:
1 m
1
1000 mm
If you are converting from millimeters to meters, then this is the proper ratio. It has mm in the denominator, so that it will cancel the units of the quantity that you are converting. For
instance, if you were converting 63 mm, then you would have
63 em
1m
1000 un
mega- (M)
x10°
0.063 m
kilo- (k)
х10
To convert a quantity from meters to millimeters, use the reciprocal ratio:
centi- (c)
x10-2
1- 1000 mm
1 m
milli- (m)
x10-3
micro- (4)
x 10-6
пano-(n)
x 109
• Part A
Suppose that you measure a pen to be 10.5 cm long. Convert this to meters.
Express your answer in meters.
> View Available Hint(s)
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