Unit 1 Flashcards
Precision
Refers to how close a series of measurements are to one another; precise measurements show little variation over a series of trials but may not be accurate
accuracy
Refers to how close a measured value is to an excepted or theoretical value
Organic chemistry
The study of carbon containing chemicals
Technology
The practical use of scientific information
Inorganic chemistry
In general matter that does not contain carbon
What is the difference between precision and accuracy?
Accuracy is how correct a value is, while precision is how close in variation a series of numbers are.
What is the difference between weight and mass.
Mass is the amount of matter, while weight takes into account earths gravitational effects on the matter
What is percent error?
The ratio of error to an excepted value
Absolute zero is equal to how many degrees kelvin
0
How do you convert kelvin to Celsius
Add 273°
How do you convert Celsius to Kelvin
Subtract 273°
List the 5 SI base units
Kilogram, Mol, Kelvin, meter, seconds
What acronym can be used for remembering the five SI base units?
Kick - kelvin Maddie - Mol Kick - kilogram Maddie -meter Soon - second
Which digits in a measurement are always estimated
The last digit
When fence posting, which value gets the one?
The value with the largest unit
