CHEM CH1b
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Anonymous
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129540
Filename:
CHEM CH1b
Updated:
2012-01-21 21:51:48
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CHEM CH1b
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CHEM CH1b
Show Answers:
on what is the definition of a meter based?
the speed of light in a vacuum
what is the only SI base unit that contains a metric prefix?
kilogram. kg
on what is the standard for the kilogram based?
on a piece of platinum-iridium alloy that is kept at the International Bureau of Weights and Measures.
boiling point of water:
degrees K
" "C
" "F
373.15
100
212
freezing point of water
degrees...
K
C
F
273.15
0
32
what is the lowest temperature possible?
called?
0 degrees K
absolute zero
180 F degrees = how many Celsius degrees?
1 C degree = how many F degrees?
100
9/5
how many degrees different are celcius and kelvin?
273.15
what is the SI unit of volume?
what is a more common unit?
m
^{3}
liter, L
1 mL =
1 cm
^{3}
what is the SI unit of energy?
what is another common energy unit?
joule, J
calorie, cal
how many joules is a calorie?
4.184
what is a dietary calorie?
1000 cal = 1 Cal = 1 kcal
density relates what to what?
mass to volume
how are densities of solids and liquids reported?
g/cm
^{3}
g/mL
^{3}
How are the dentities of gases reported?
g/L
because volume changes with temperature, X changes with temperature.
density
Most density valuse are reported at what standard temperature?
25 degrees C (room temp)
what is the density of water?
1.00 g/cm
^{3}
When calculations involving measurements are performed, the final calcualtion is not more certain than...
..the least certain number in the calculation.