week1 - o F. Express this temperature in degrees Celsius...

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Chemistry 1P Discussion Week 1: Units and Dimensional Analysis 1) Complete the metric unit chart by filling in the blanks: 2) Unit conversions: a) How many dm 3 are present in a cubic kilometer? b) Convert 58.7 ft into angstroms ( Ǻ ). (Hint: use the fact that 1 in = 2.54 cm) c) The density of a gaseous substance was determined to be 0.00347 g/mL. What is the density in µ g/mm 3 ? (Hint: use the fact that 1 cm 3 = 1 mL) prefix (symbol) power of 10 prefix (symbol) power of 10 exa (E) 10 18 -- 10 0 10 -1 10 -2 peta (P) 10 15 10 -3 tera (T) 10 12 10 -6 10 9 10 -9 10 6 10 -12 10 3 femto (f) 10 -15 hecto (h) 10 2 deca (D) 10 1 -- 10 0 atto (a) 10 -18
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Chemistry 1P Discussion Week 1: Units and Dimensional Analysis d) At one atmosphere pressure, mercury solidifies at -38.0
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Unformatted text preview: o F. Express this temperature in degrees Celsius and Kelvin. (Hint: use that ( o F - 32) x 5/9 = o C and that o C + 273.15 = K) 3) Solving problems with dimensional analysis: a) The density of a liquid is 0.821 g/mL. What is the volume of 71.3 g of this liquid? b) How many seconds are there in one week? c) A radio wave travels 186,000 miles per second. How many kilometers will the wave travel in one microsecond? (Hint: use the fact that 1 mile = 1.61 km) d) If a car goes 30.0 miles per gallon of gasoline, how many kilometers could it travel on 1 liter of gasoline? (Hint: use the hint from c) along with the fact that there are 4 quarts per gallon and that 1 L = 1.06 qt)...
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week1 - o F. Express this temperature in degrees Celsius...

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