CHEMISTRY 1 MODULE 1 FINAL EXAM
EXAMINATION TEST 2026 COMPLETE
QUESTIONS AND SOLUTIONS GRADED A+
⩥ significant figures in ordinary and exponential notation. Answer: the
number of significant figures should remain the same
⩥ Addition or subtraction
(Determining significant figures in answer). Answer: least number of
decimal places
round the result to the same number of decimal places as the number
with the least number of decimal places
⩥ multiplication or division
(Determining significant figures in answer). Answer: least number of
significant figures
round the result to the same number of digits as the number with the
least number of significant figures
, ⩥ dimensional analysis. Answer: requires that we multiply both numbers
and units
units "cancel out"
⩥ conversion factor. Answer: a ratio of equivalent measurements used to
convert a quantity from one unit to another
When set up correctly, the original unit is cancelled out, and the result
will contain the sought (converted) unit
⩥ converson factors and significant figures. Answer: treat conversion
factors as exact numbers, they don't influence significant figures
⩥ temperature is the.... Answer: hotness or coldness of a substance
⩥ reference values for temperature. Answer: freezing point and boiling
point of water at a specified atmospheric pressure
⩥ Celcius scale (°C). Answer: freezing point of water: 0°C
boiling point of water: 100°C
⩥ Fahrenheit scale (°F). Answer: freezing point of water: 32°F