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Recitation 1

Recitation 1 - 15mL 0.9 g 1025 lb 110000 cm 2 0.91 g/mL...

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Platinum has become a popular metal for fine jewelry. A ring has a mass of 5.84 grams and displaces 0.556 cm 3 of water. Is the ring made of platinum? (Density Pt = 21.4 g/cm 3 ) Since 10.5 g/cm 3 21.4 g/cm 3 the ring cannot be platinum Example 9 3 3 cm g 10.5 cm 0.556 g 5.84 D V m = =

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Try to determine the result of the following, giving the correct number of significant figures: a) (4.03 g)- (3.1 g) b) 400 lb + 625 lb a) 890 cm X 120 cm b) 13.68g

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Unformatted text preview: 15mL 0.9 g 1025 lb 110000 cm 2 0.91 g/mL Example 10 a) 125 g to Kg b) 1.23 L to mL 1.25 x10-1 kg 1.23x10 3 mL c) 55.0 mi/hr to m/s 1km = 0.6214 mi 1km = 1000m 24.6 m/s Example 11 Example 12 a) Express normal body temperature, 98.6 F in C and K 37.0 degC, 310 K b) What is the volume of a tank that can hold 18,754 Kg of methanol whose density is 0.788g/cm 3 ? v = 2.38 x 10 7 cm 3...
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Recitation 1 - 15mL 0.9 g 1025 lb 110000 cm 2 0.91 g/mL...

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