Chem 112 (2nd Quiz Vocab) Flashcards
The zero point on the Calvin scale
Absolute Zero
Correct value based on reliable references
Accepted Value
How close the measurement comes to the answer
Accuracy
Quantity of heat that rises the temperature of one degree Celsius
Calorie
Set the freezing point of water at 0°C and boiling point at 100°C
Celsius
Ratio of equivalent measure
Conversion factor
Intensive property that depends on the substances composition
Density
Way to analyze and solve problems
Dimensional analysis
Capacity to do work/produce heat
Energy
Difference between accepted and experimental value
Error
Value that is measured in the lab
Experimental value
Is 1/1000 of a kilogram
Gram
Metric system; five most common are meter, kilogram, Kelvin, second, and mole
International system of units
The SI unit of energy
Joule
Freezing is 273.15 (K) and boiling point is 373.15 (K)
Kelvin Scale
Mass of an object is measured in comparison to standard mass
Kilogram
Volume of a cube is 10cm x 10cm x 10cm equals (LxWxH) = 1000cm^3 -> 1L
Liter
Quantity that has both a number and a unit
Measurement
Basic unit of length
Metre
Error/accepted value x 100%
Percent Error
Measure of how close a series of measurements are to one another
Precision
Give a number is written as the product of two numbers: a coefficient and 10 raised to a Power.
Example: 6.20 x 10^23
Scientific notation
All digits that are known, plus last digit that is estimated.
Significant figures
Measures how cold or hot something is
Temperature