Chem 1011- Lab Final Questions With
Complete Solutions
(Lab Techniques lab) The metric prefix "kilo-" has a decimal
equivalent of correct answer: 1000
(Lab Techniques lab) A measure of how close the value of a
measurement agrees with a known or accepted value correct
answer: accuracy
(Lab Techniques lab) The determination of the reproducibility of
a measurement correct answer: precision
(Lab Techniques lab) To measure the length of an object, the
equipment used would be a correct answer: meterstick
(Lab Techniques lab) Using significant figure rules, the correct
way to express 2.76 x 1.2384 is correct answer: 3.42
(Density lab) A(n) ___ property depends upon the size of the
sample. correct answer: extensive
(Density lab) Density is expressed in correct answer: grams/mL
(Density lab) For this experiment you will learn how to correct
answer: find the volume of an unknown sample
(Density lab) Density can be found by correct answer: a
combination of extensive properties
, (Density lab) In this experiment, you will use which of the
following balances? correct answer: ALL (analytical, semi-
analytical, triple beam)
(Density lab) Which of the following properties will not be
studied in this experiment? correct answer: colligative
(Density lab) You should obtain a total of ____ samples of your
unknown metallic element. correct answer: 6
(Density lab) You should find the mass of your sample by
means of ___ calculations. correct answer: difference
(Density lab) When testing the volume of your sample, you
should correct answer: tilt the graduated cylinder at an angle,
then drop in the sample
(Density lab) A graduated cylinder can be read to correct
answer: the nearest tenth of a milliliter
(Mixtures lab) The iron filings are removed from the mixture by
correct answer: magnetic separation
(Mixtures lab) The sand is separated from water by correct
answer: evaporation
(Mixtures lab) The copper (II) sulfate is separated from water by
correct answer: evaporation
Complete Solutions
(Lab Techniques lab) The metric prefix "kilo-" has a decimal
equivalent of correct answer: 1000
(Lab Techniques lab) A measure of how close the value of a
measurement agrees with a known or accepted value correct
answer: accuracy
(Lab Techniques lab) The determination of the reproducibility of
a measurement correct answer: precision
(Lab Techniques lab) To measure the length of an object, the
equipment used would be a correct answer: meterstick
(Lab Techniques lab) Using significant figure rules, the correct
way to express 2.76 x 1.2384 is correct answer: 3.42
(Density lab) A(n) ___ property depends upon the size of the
sample. correct answer: extensive
(Density lab) Density is expressed in correct answer: grams/mL
(Density lab) For this experiment you will learn how to correct
answer: find the volume of an unknown sample
(Density lab) Density can be found by correct answer: a
combination of extensive properties
, (Density lab) In this experiment, you will use which of the
following balances? correct answer: ALL (analytical, semi-
analytical, triple beam)
(Density lab) Which of the following properties will not be
studied in this experiment? correct answer: colligative
(Density lab) You should obtain a total of ____ samples of your
unknown metallic element. correct answer: 6
(Density lab) You should find the mass of your sample by
means of ___ calculations. correct answer: difference
(Density lab) When testing the volume of your sample, you
should correct answer: tilt the graduated cylinder at an angle,
then drop in the sample
(Density lab) A graduated cylinder can be read to correct
answer: the nearest tenth of a milliliter
(Mixtures lab) The iron filings are removed from the mixture by
correct answer: magnetic separation
(Mixtures lab) The sand is separated from water by correct
answer: evaporation
(Mixtures lab) The copper (II) sulfate is separated from water by
correct answer: evaporation
