Question

Please help with number 2 & 3 thank you

2. Which will evaporate faster, 1-Butanol or Pentane? Explain your choice. A thermometer is placed in a test tube of chipped ice at -5.0 °C. The temperature is recorded at the time intervals shown below until room temperature is reached. Plot the data given below on graph paper and explain all flat, horizontal portions of the curve. Plot time on the X-axds! 3. Time (min) 0 2 4 6 10 15 20 25 30 35 40 45 50 Temperature (C) 5.0 2.5 1.0 0.0 0.0 0.0 0.0 0.0 1.5 4.0 8.0 11.5 15.0 17.5 19.0 20.0 20.0 20.0 20.0 60 65 70 75 80

Answer 1

2)evaporation is a type of vaporization in which liquid state of matter is converted into gaseous state through the surface of liquids particles/molecules gain the energy and converted into gases.Boiling point is temperature at which liquid is converted into vapor.

Here as the time increases the temperature slowly increases and sometimes remains constants even time changes evaporation is a type of vaporization in which liquid state of matter is converted into gaseous state through the surface of liquids particles/molecules gain the energy and converted into gases.Boiling point is temperature at which liquid is converted into vapor. Here pentane(b.pt 36 c) undergoes faster evaporation when compared with 1 Butanol(b.pt 117 c) because in 1 butanol high intermolecular forces(hydrogen bonding) are present thats way rate of evaporation is slow

Here pentane(b.pt 36 c) undergoes faster evaporation when compared with 1 Butanol(b.pt 117 c) because in 1 butanol high intermolecular forces(hydrogen bonding) are present thats way rate of evaporation is slow