CHEM 110 PRACTICE EXAM
QUESTIONS AND DETAILED
SOLUTIONS 2026
▶ 4.65 x 10^3. Answer: 4650
▶ 4.65 x 10^-3. Answer: 0.00465
▶ 7.32 x 10^-4. Answer: 0.000732
▶ Identify correctly formatted scientific notation.
0.802×10^4
6÷10^6
6.1×10^12
4.532×10^-9
9.31×100^-7
8×10^6. Answer: 6.1×10^12
4.532×10^-9
8×10^6
▶ Convert 7860 feet to miles. Answer: 7860 feet x (1 mile)/(5280 feet)
7860=1.49 miles
▶ Convert 0.565 miles to feet. Answer: 0.565 miles x (5280 feet)/(1 mile)
0.565 miles=2983.2 feet
▶ While setting up a beaker to boil a solution on a hot plate, you notice that
the stirring is erratic and unstable. What should you do to stabilize the
stirring solution?
-Completely turn off the stirring function.
-Turn down the stirring speed.
-Clamp the beaker in place at the edge of the hot plate
QUESTIONS AND DETAILED
SOLUTIONS 2026
▶ 4.65 x 10^3. Answer: 4650
▶ 4.65 x 10^-3. Answer: 0.00465
▶ 7.32 x 10^-4. Answer: 0.000732
▶ Identify correctly formatted scientific notation.
0.802×10^4
6÷10^6
6.1×10^12
4.532×10^-9
9.31×100^-7
8×10^6. Answer: 6.1×10^12
4.532×10^-9
8×10^6
▶ Convert 7860 feet to miles. Answer: 7860 feet x (1 mile)/(5280 feet)
7860=1.49 miles
▶ Convert 0.565 miles to feet. Answer: 0.565 miles x (5280 feet)/(1 mile)
0.565 miles=2983.2 feet
▶ While setting up a beaker to boil a solution on a hot plate, you notice that
the stirring is erratic and unstable. What should you do to stabilize the
stirring solution?
-Completely turn off the stirring function.
-Turn down the stirring speed.
-Clamp the beaker in place at the edge of the hot plate
