GENERAL CHEMISTRY FINAL EXAM
STUDY GUIDE
Law of Conservation of Matter - Correct Answers -there is no observable change in the
quantity of matter during a chemical reaction or during a physical change
Law of Conservation of Energy - Correct Answers -energy cannot be created or
destroyed in a chemical reaction or in a physical change. It can only be converted from
one form to another
Conservation of Matter and Energy - Correct Answers -the combined amount of matter
and energy available in the universe is fixed
Fundamental unit of measurement for length - Correct Answers -meter
Fundamental unit of measurement for mass - Correct Answers -kilogram
Fundamental unit of measurement for time - Correct Answers -second
Fundamental unit of measurement for temperature - Correct Answers -kelvin
kilo - Correct Answers -10^3
centi - Correct Answers -10^-2
milli - Correct Answers -10^-3
micro - Correct Answers -10^-6
nano - Correct Answers -10^9
nonzero digits are always - Correct Answers -significant
zeros at the beginning of a number to position the decimal point are - Correct Answers -
never significant
zeros between nonzero digits are - Correct Answers -significant
, zeros at the end of a number that contains a decimal point before it are - Correct
Answers -significant
zeros at the end of a number that does not contain a decimal point - Correct Answers -
may/may not be significant
what determines the number of sig figs when adding and subtracting? - Correct
Answers -the last digit in the answer is determined by the position of the first doubtful
digit in the parent numbers
what determines the number of sig figs when multiplying and dividing? - Correct
Answers -the answer must have the same amount of sig figs as the parent with the least
amount
percent by mass - Correct Answers -parts of A / 100 parts of mixture
what are the units for density? - Correct Answers -g/mL
what are the units for specific gravity? - Correct Answers -none, they cancel out
what is the density of water? - Correct Answers -1.00 g/mL
Kelvins = - Correct Answers -degrees Celsius + 273.15
Celsius = - Correct Answers -Kelvins - 273.15
Fahrenheit = - Correct Answers -((degrees Celsius)(1.8F/1.0C)) + 32F
ammonium - Correct Answers -NH4+
acetate - Correct Answers -CH3COO-
nitrate - Correct Answers -NO3-
sulfite - Correct Answers -SO3-2
carbonate - Correct Answers -CO3-2
phosphate - Correct Answers -PO4 -3
formula weight - Correct Answers -sum of the atomic weights of the elements in the
formula, each taken the number of times the element occurs
Boyle's Law - Correct Answers -P1V1 = P2V2
graph of volume against pressure - Correct Answers -curved (looks like a curvy L)
STUDY GUIDE
Law of Conservation of Matter - Correct Answers -there is no observable change in the
quantity of matter during a chemical reaction or during a physical change
Law of Conservation of Energy - Correct Answers -energy cannot be created or
destroyed in a chemical reaction or in a physical change. It can only be converted from
one form to another
Conservation of Matter and Energy - Correct Answers -the combined amount of matter
and energy available in the universe is fixed
Fundamental unit of measurement for length - Correct Answers -meter
Fundamental unit of measurement for mass - Correct Answers -kilogram
Fundamental unit of measurement for time - Correct Answers -second
Fundamental unit of measurement for temperature - Correct Answers -kelvin
kilo - Correct Answers -10^3
centi - Correct Answers -10^-2
milli - Correct Answers -10^-3
micro - Correct Answers -10^-6
nano - Correct Answers -10^9
nonzero digits are always - Correct Answers -significant
zeros at the beginning of a number to position the decimal point are - Correct Answers -
never significant
zeros between nonzero digits are - Correct Answers -significant
, zeros at the end of a number that contains a decimal point before it are - Correct
Answers -significant
zeros at the end of a number that does not contain a decimal point - Correct Answers -
may/may not be significant
what determines the number of sig figs when adding and subtracting? - Correct
Answers -the last digit in the answer is determined by the position of the first doubtful
digit in the parent numbers
what determines the number of sig figs when multiplying and dividing? - Correct
Answers -the answer must have the same amount of sig figs as the parent with the least
amount
percent by mass - Correct Answers -parts of A / 100 parts of mixture
what are the units for density? - Correct Answers -g/mL
what are the units for specific gravity? - Correct Answers -none, they cancel out
what is the density of water? - Correct Answers -1.00 g/mL
Kelvins = - Correct Answers -degrees Celsius + 273.15
Celsius = - Correct Answers -Kelvins - 273.15
Fahrenheit = - Correct Answers -((degrees Celsius)(1.8F/1.0C)) + 32F
ammonium - Correct Answers -NH4+
acetate - Correct Answers -CH3COO-
nitrate - Correct Answers -NO3-
sulfite - Correct Answers -SO3-2
carbonate - Correct Answers -CO3-2
phosphate - Correct Answers -PO4 -3
formula weight - Correct Answers -sum of the atomic weights of the elements in the
formula, each taken the number of times the element occurs
Boyle's Law - Correct Answers -P1V1 = P2V2
graph of volume against pressure - Correct Answers -curved (looks like a curvy L)
