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# Chapter 2 ## Conceptual plans for units raised to the power - Convert Cubic inches to Cubic centimeters. - Find relationship equivalence: 1 in = 2.54 cm - Change equivalence into conversion factors with starting units at the bottom | mL | cm³ | in³ | |---|---|---| | 5.7L | 10³cm³ | (2.54cm)³...

# Chapter 2 ## Conceptual plans for units raised to the power - Convert Cubic inches to Cubic centimeters. - Find relationship equivalence: 1 in = 2.54 cm - Change equivalence into conversion factors with starting units at the bottom | mL | cm³ | in³ | |---|---|---| | 5.7L | 10³cm³ | (2.54cm)³ | | | 10³cm³ × 3.54cm | (2.54)³ | | |5.7 / 10³ × 3.54cm | 5.7 / (10³×164)| | | 5.7 / 10³ × 16.4 |0.164| ## Density as a Conversion factor - How much does 4.0 cm³ of lead weigh? - 4.0 cm³ × (11.3 g / 1 cm³) = 45.2 g - How much does 3.0 × 10² mL of ether weigh? - 3.0 × 10² mL × (0.719 g / 1 mL) = 215.7 g (approximately 300 x 0.71 = 213 g)