CHEM 1411 - FINAL REVIEW EXAM QUESTIONS WITH 100% CORRECT ANSWERS L LATEST VERSION 2025/2026.

CHEM 1411 - FINAL REVIEW EXAM
QUESTIONS WITH 100% CORRECT
ANSWERS L LATEST VERSION 2025/2026.




Order the four metric prefixes from smallest to largest.


A) kilo < centi < milli < nano
B) milli < nano < centi < kilo
C) kilo < centi < nano < milli
D) nano < milli < centi < kilo

E) centi < nano < kilo < milli - ANS D


The degree of agreement among several measurements of the same quantity is called _______.
It reflects the reproducibility of a given type of measurement.


A) accuracy
B) error
C) precision
D) significance

E) certainty - ANS C


Express the number in common decimal form. 6.49 X10^-3.



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, A) 0.00649
B) 6.49
C) 6490
D) 0.0649

E) 0.000649 - ANS A


How many significant figures are there in the number 0.0006428?


A) 2
B) 4
C) 6
D) 8

E) 7 - ANS B


A 20.0 mL sample of glycerol has a mass of 25.2 grams. What is the mass of a 57 mL sample of
glycerol?


A) 23 g
B) 0.72 g
C) 72 g
D) 22 g

E) 32 g - ANS C


Which of the following pairs can be used to illustrate the law of multiple proportions?


A) CO and CaCO3
B) SO and SO2
C) H2O and C12H22O11
D) H2SO4 and H2S

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