Lab V: The latent heat of vaporization of liquid nitrogen

  • Supervisor:Mrs. Yuan Yuan
  • Location: Room 804 West Annex of Guanghua Building

Goal

  1. Review the physical concepts and relationships associated with the flow of heat into and out of materials.
  2. Determine the latent heat of liquid nitrogen (LN).
  3. Determine the specific heat of copper in the temperature range between liquid nitrogen (LN) and room temperature water.

Video

Related topics

  • Heat transfer
  • Specific heat
  • Latent heat

Introduction

Experimental devices

  1. Electric thermometers
  2. copper cylinder
  3. Water
  4. Warm isolated cup
  5. Stop watch
  6. Electric balance
  7. Liquid nitrogen

Contents

  1. Calculate the total heat energy transferred to liquid nitrogen by the copper cylinder.
  2. Determine the mass change of liquid nitrogen due to the input of the copper cylinder.

Questions

  1. List various factors,especially errors in measurement and experimental work,which might affect your measured value.
  2. What have you learned from this lab?

Reference

Lab Manual

Discussion

 
course/fund_phy_exp/the_latent_heat_of_vaporization_of_liquid_nitrogen.txt · 最后更改: 2016/12/26 14:17 由 ceiba
 
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