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Chem 120 Exam 1 with Solutions 2024
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Chem 120 Exam 1 with Solutions 2024 SI unit for Temperature - - C F - - (9/5 C) + 32 C - - 5/9 (F -32) K - - C+273.15 density - - mass/volume 1 mL - - =1cm^3 = 1cc percent error - - difference from known value/known value x 100 sig fig for Addition/Subtraction - - answer has the same number...

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  • June 26, 2024
  • 6
  • 2023/2024
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  • chem 120 exam 1 with solutions 2024

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Chem 120 Exam 1 with Solutions 2024

SI unit for Temperature - -C


F- - (9/5 C) + 32


C- - 5/9 (F -32)


K- - C+273.15


density - - mass/volume


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


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


sig fig for Addition/Subtraction - - answer has the same number of decimal places as

the factor with the least amount of decimal places


sig fig rules for multiplication/ division - - answer has the same amount of sig figs as

the factor with the least amount of sig figs


avagadros number - - 6.022 x10^23


tera - - 10^12


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


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

, kilo - - 10^3 (1000)


hecto - - 10^2 (100)


deka - - 10^1 10


deci - - 10^-1 (0.1)


nano - - 10^-9 (0.000000001)


pico - - 10^-12 (0.000000000001)


centi - - 10^-2 (0.01)


mili - - 10^-3 (0.001)


micro - - 10^-6 (0.000001)


law - - concise verbal mathematic statement of a behavior that seems always to be

the same under the same conditions


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


homogeneous mixture - - same throughout


pure substance - - has a set of unique properties that cant be separated


compounds - - pure substances composed of 2 or more elements that bond together

(have properties different than the individual substances)


ionic compound - - composed of ions (cation and anion)

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