5 1.4 Temperature and Density

1. Perform the following conversions:
   1. 1. [latex]{255^{°}F}[/latex] to degrees Celsius
      2. [latex]{−255^{°}F}[/latex]to degrees Celsius
      3. [latex]{50.0^{°}C}[/latex] to degrees Fahrenheit
      4. [latex]{−50.0^{°}C}[/latex] to degrees Fahrenheit
2. Perform the following conversions:
   1. 1. [latex]{100.0^{°}C}[/latex] to kelvins
      2. [latex]{−100.0^{°}C}[/latex] to kelvins
      3. [latex]{100 K}[/latex] to degrees Celsius
      4. [latex]{300 K}[/latex] to degrees Celsius
3. Which of the following are possible units for density? Select all the possible answers.
   1. 1. [latex]{g/mL}[/latex]
      2. [latex]{mL/km}[/latex]
      3. [latex]{g/L}[/latex]
      4. [latex]{kg/L}[/latex]
4. A sample of iron has a volume of [latex]{48.2cm^{3}}[/latex]. What is its mass? Use the density table provided in the text to get the density of iron. 
   1. 1. [latex]{379g}[/latex]
      2. [latex]{45.9g}[/latex]
      3. [latex]{678g}[/latex]
      4. [latex]{3.79g}[/latex]
5. The volume of hydrogen used by the Hindenburg, the German airship that exploded in New Jersey in 1937, was [latex]{2.000{\times}10^{8}L}[/latex]. If hydrogen gas has a density of [latex]{0.0899g/L}[/latex], what mass of hydrogen was used by the airship?
   1. 1. [latex]{1.80{\times}{10}^{7}g}[/latex]
      2. [latex]{3.20{\times}{10}^{4}g}[/latex]
      3. [latex]{25.1{\times}{10}^{7}g}[/latex]
      4. [latex]{0.80{\times}{10}^{7}g}[/latex]
6. What is the volume of [latex]{100.0g}[/latex] of lead if lead has a density of [latex]{11.34g/cm^{3}}[/latex]?
   1. 1. [latex]{10.54cm^{3}}[/latex]
      2. [latex]{3.98cm^{3}}[/latex]
      3. [latex]{6.818cm^{3}}[/latex]
      4. [latex]{8.818cm^{3}}[/latex]
7. What is the volume in litres of [latex]{222g}[/latex] of neon if neon has a density of [latex]{0.900g/L}[/latex]?
   1. 1. [latex]{2.89L}[/latex]
      2. [latex]{563L}[/latex]
      3. [latex]{87.8L}[/latex]
      4. [latex]{247L}[/latex]

Answers

1. 1. 1. [latex]{124^{0}C}[/latex]
      2. [latex]{-159^{0}C}[/latex]
      3. [latex]{122^{0}F}[/latex]
      4. [latex]{-58^{0}F}[/latex]
2. 1. 1. [latex]{373K}[/latex]
      2. [latex]{173K}[/latex]
      3. [latex]{-173^{0}C}[/latex]
      4. [latex]{27^{0}C}[/latex]
3. a, c, d
4. a
5. a
6. d
7. d