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CHEM3640 Columbia Southern Chemistry Unit 1 Mercury Temperature Questions

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Problem Solving 1 Chemistry Problem Solving Randy Layman Columbia Southern University PROBLEM SOLVING 2 Chemistry Unit 1 1. Mercury, the only metal that exists as a liquid at room temperature, melts at 234.3 K. Convert this melting point to degrees Celsius. A:T(°C)= T(K)- 273.15 T(°C) =234.4- 273.15 T = -38.75 c 2. Mercury has a boiling point of 356.58°C. Convert this temperature to degrees Fahrenheit. A:T(°F)= T(°C)× 9/5 + 32 T(°F)=356.58× 9/5 + 32 T(°F)=641.844+ 32 T =673.84 °F 3. Mercury metal is poured into a graduated cylinder that holds exactly 22.5 ml. The mercury used to fill the cylinder weighs 306.0 g. From this information, calculate the density of mercury, in grams per cubic centimeter. A: d = m / d = 306.0 g / 22.5 mL d = 13.6 g/cm3 4. What is the density of mercury in pounds per cubic inch (lb/in3)? 1 lb = 454g, 1 in= 2.54 cm. A:16.39*13.6= 222.86g or 222.86/454=0.491lb PROBLEM SOLVING 3 A:13.6 g/cm^3 * 2.54^3 cm/in^3 / 454 g/lb = 0.491 lb/in^3 5. What are some of the physical and chemical properties of Mercury? Mention at least two of each. Mercury is a fascinating chemical and is the only metal which is in liquid forms naturally. Mercury's at ...
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Tags: chemistry Fahrenheit Mercury Metal

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