ECU CHEM 1120 Tests 1 & 2 Collins Review | Chemistry Study Guide & Practice
Questions
king - correct answer ✔✔kilo 10^3
henry - correct answer ✔✔hectare 10^2
died - correct answer ✔✔deka 10^1
by - correct answer ✔✔base = meter, liter, and gram
drinking - correct answer ✔✔deci 10^-1
chocolate - correct answer ✔✔centi 10^-2
milk - correct answer ✔✔milli 10^-3
volume - correct answer ✔✔l x w x h
density - correct answer ✔✔mass/volume
scientific notation left - correct answer ✔✔zeros to left, negative charge
scientific notation right - correct answer ✔✔zeros to right, positive charge
sigificant digits rules- leading zeros - correct answer ✔✔leading zeros are not important
, signficant digit rules- zeros between - correct answer ✔✔zeros located between nonzeros are
always significant
signficant digit rules- ending zeros - correct answer ✔✔zeros at the end are only signficant with
a decimal point
mass # - correct answer ✔✔protons + neutrons
proper number of digits- addition/subtraction - correct answer ✔✔measurement with the least
amount of decimal points
proper number of digits- multiplication/division - correct answer ✔✔which measurement has
the least amount of signficant digits
vertical colums - correct answer ✔✔groups
horizontal rows - correct answer ✔✔periods
Celsius-farenheit - correct answer ✔✔(1.8 x C) + 32
Farenheit to Celsius - correct answer ✔✔(F-32)/1.8
Celsius to Kelvin - correct answer ✔✔C + 273
Kelvin to Celsius - correct answer ✔✔K - 273
Questions
king - correct answer ✔✔kilo 10^3
henry - correct answer ✔✔hectare 10^2
died - correct answer ✔✔deka 10^1
by - correct answer ✔✔base = meter, liter, and gram
drinking - correct answer ✔✔deci 10^-1
chocolate - correct answer ✔✔centi 10^-2
milk - correct answer ✔✔milli 10^-3
volume - correct answer ✔✔l x w x h
density - correct answer ✔✔mass/volume
scientific notation left - correct answer ✔✔zeros to left, negative charge
scientific notation right - correct answer ✔✔zeros to right, positive charge
sigificant digits rules- leading zeros - correct answer ✔✔leading zeros are not important
, signficant digit rules- zeros between - correct answer ✔✔zeros located between nonzeros are
always significant
signficant digit rules- ending zeros - correct answer ✔✔zeros at the end are only signficant with
a decimal point
mass # - correct answer ✔✔protons + neutrons
proper number of digits- addition/subtraction - correct answer ✔✔measurement with the least
amount of decimal points
proper number of digits- multiplication/division - correct answer ✔✔which measurement has
the least amount of signficant digits
vertical colums - correct answer ✔✔groups
horizontal rows - correct answer ✔✔periods
Celsius-farenheit - correct answer ✔✔(1.8 x C) + 32
Farenheit to Celsius - correct answer ✔✔(F-32)/1.8
Celsius to Kelvin - correct answer ✔✔C + 273
Kelvin to Celsius - correct answer ✔✔K - 273
