All Chapters Video 0.4 Metric Units and Dimensional Analysis (Solution, Pt. 2) Chapter OutlineChapter Quiz Question? Ask Dr. Mike! Lesson Summary How many seconds are in a day? How many hours are in a year? How many kg are there in 7×1025 μg? How many sec are there in 5.2 ×1018 ns? Please convert 20 km to cm. If you’re going 50 miles/hour, how many feet/second are you traveling? On average, hummingbirds fly at 30 miles/hour. Convert this speed to m/s. (Note: 1 m = 3.28 feet and 1 mile = 1.61 km.) The Brooklyn Bridge is 277 feet tall. Convert this to meters. (Note: 1 m = 3.28 feet.) In a vacuum, light travels at a speed of 2.998 x 108 m/s. Convert this to miles per hour. (Note: 1 mile = 161 km.) What is the mass in kilograms of 18.5 gallons of gasoline? (Note: the density of gasoline is 0.70 g/mL.) What is the density, in g/cm3, of a 1.5 kg cube whose edges are each 5 cm? The density of aluminum is 2.7 g/mL. What volume (in L) would a 50.2 g sample of aluminum occupy? Lesson 0.4 Metric Units and Dimensional Analysis (Solution, Pt. 2) 0.1 Atoms, Ions, and Molecules 0.1 Quiz Video Solution 0.2 Naming Ionic Compounds 0.2 Quiz Video Solution Pt. 1 0.2 Quiz Video Solution Pt. 2 0.3 Naming Molecular Compounds and Acids 0.3 Quiz Video Solution 0.4 Metric Units and Dimensional Analysis 0.4 Quiz Video Solution Pt. 1 0.4 Quiz Video Solution Pt. 2 0.4 Quiz Video Solution Pt. 3 0.5 Significant Figures and Percent Error 0.5 Quiz Video Solution 0.6 Lab Safety 0.7 Weights, Measures, and pH 0.8 Beer-Lambert Law Instructor Dr. Mike Christiansen Dr. Christiansen is a chemistry professor at Utah State University and has a PhD in organic chemistry. He's been teaching students chemistry for nearly 12 years.