1. Chemistry, Ch 02 Bellwork ( 35-38)
Determine the number of significant digits in each measurement:
a) 2.06 mL b) 650 g c) C° d) sec
36.“The baggie expanded, turned cold, and fizzing occurred inside” This type of observation is a __________________________ observation.
37. Taylor Clayton measured the volume and mass of hydrogen peroxide and found it’s density to be 1.59 g/mL. When he looked up the actual density of hydrogen peroxide he found it to be 1.45 g/mL. Calculate Taylors’s percent error in his experiment.
38. Round each of the following to the indicated number of significant figures:
A) mg (3 sf) B) cm (2sf) C) 8775 g(1 sf)

2. Chemistry, Ch 02 Bellwork (35-38)
35. Determine the number of significant digits in each measurement:
a) 2.06 mL b) 650 g c) C° d) sec
36. “The baggie expanded, turned cold, and fizzing occurred inside” This type of observation is a __________________________ observation.
37. Caden Janzen measured the volume and mass of hydrogen peroxide and found it’s density to be 1.59 g/mL. When he looked up the actual density of hydrogen peroxide he found it to be 1.45 g/mL. Calculate Caden’s percent error in his experiment.
38. Round each of the following to the indicated number of significant figures:
A) mg (3 sf) B) cm (2sf) C) 8775 s (1 sf)

3. Chemistry, Ch 02 Bellwork ( 35-38)
35. Determine the number of significant digits in each measurement:
a) 2.06 mL b) 650 g c) C° d) sec
36. “The baggie expanded, turned cold, and fizzing occurred inside” This type of observation is a __________________________ observation.
37. Grahm measured the volume and mass of hydrogen peroxide and found it’s density to be 1.59 g/mL. When he looked up the actual density of hydrogen peroxide he found it to be 1.45 g/mL. Calculate Grahm’s percent error in his experiment.
38. Round each of the following to the indicated number of significant figures:
A) mg (3 sf) B) cm (2sf) C) 8775 m (1 sf)