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Chemistry Test

Chemistry Test 2 Review

Precision The closeness of one series of measurements of some quantity
Accuracy How closely a set of measurements represents the true value of what is being measured
Density Amount of matter in a given volume or space
Specific Heat The amount of heat energy needed to warm 1gram of a substance 1 〫Celsius
Absolute Zero The point where no more heat can be removed from a system
Equations for: Celsius Fahrenheit and Kelvin F= 32+ 9/5 x C C= 5/9 (F-32) K= C+ 273.15
Equations for Density d=m/v m=dv v=m/p
Significant Figure Rules 1. All non-zero numbers are significant ex: 23 -> 2 sig. figs. 2. Zeros btwn non-zero numbers ARE significant ex: 3016 ->4 sig. figs. 3. Zeros @ the end of a number AND to the right of the decimal place ARE significant ex: 25.00 -> 4 sig. figs. 4...
Equation for Density and Specific Heat SH= Heat NRG --------- mass x change in temp.
Created by: lhogan9