Chem 120 Exam 1 UPDATED ACTUAL Exam Questions and CORRECT Answers

Chem 120 Exam 1 UPDATED ACTUAL
Exam Questions and CORRECT Answers
SI unit for Temperature - CORRECT ANSWER -C



F - CORRECT ANSWER -(9/5 C) + 32



C - CORRECT ANSWER -5/9 (F -32)



K - CORRECT ANSWER -C+273.15



density - CORRECT ANSWER -mass/volume



1 mL - CORRECT ANSWER -=1cm^3 = 1cc



percent error - CORRECT ANSWER -difference from known value/known value x 100



sig fig for Addition/Subtraction - CORRECT ANSWER -answer has the same number of
decimal places as the factor with the least amount of decimal places


sig fig rules for multiplication/ division - CORRECT ANSWER -answer has the same
amount of sig figs as the factor with the least amount of sig figs


avagadros number - CORRECT ANSWER -6.022 x10^23



tera - CORRECT ANSWER -10^12



giga - CORRECT ANSWER -10^9 (1,000,000,000)

, mega - CORRECT ANSWER -10^6 (1,000,000)



kilo - CORRECT ANSWER -10^3 (1000)



hecto - CORRECT ANSWER -10^2 (100)



deka - CORRECT ANSWER -10^1 10



deci - CORRECT ANSWER -10^-1 (0.1)



centi - CORRECT ANSWER -10^-2 (0.01)



mili - CORRECT ANSWER -10^-3 (0.001)



micro - CORRECT ANSWER -10^-6 (0.000001)



nano - CORRECT ANSWER -10^-9 (0.000000001)



pico - CORRECT ANSWER -10^-12 (0.000000000001)



law - CORRECT ANSWER -concise verbal mathematic statement of a behavior that
seems always to be the same under the same conditions


theory - CORRECT ANSWER -unifying principals that explains a body of facts and laws
based on them


macroscopic - CORRECT ANSWER -samples of matter easily observed