1 / 9

Understanding Temperature Change and Specific Heat Capacity in Calorimetry

This chapter explores the concepts of temperature change, specific heat capacity, and latent heat in thermodynamics. It explains the energy required to raise the temperature of 1 kg of a substance by 1 °C, illustrating that the specific heat capacity varies for different materials, such as water (C = 4186 J/kg·°C). The chapter also delves into calorimetry, providing a practical problem involving heat transfer between lead and water. Additionally, it discusses latent heat during phase changes and presents energy calculations for heating and vaporizing water.

alexis-frye
Télécharger la présentation

Understanding Temperature Change and Specific Heat Capacity in Calorimetry

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Chapter Twelve (the other half…) Temperature & Heat

  2. Specific Heat Capacity: Temperature Change Specific Heat: The quantity of energy required to raise the temperature of 1 kg of a substance by 1° C.  Different for each substance • Cwater= 4186 J/Kg·°C

  3. Calorimetry: Procedure to measure energy transfer in the form of heat

  4. Example Problem 128 J/Kg °C A 115 g mass of lead at 100.0 degrees Celsius is placed in a 220 g sample of water at 20.0 ºC . What is the final temperature reached by the two substances?

  5. Energy and Temperature Latent Heat Latent Heat Specific Heat Specific Heat Specific Heat

  6. Latent Heat: Phase Change • Heat of vaporization • Liquid to gas • Heat required to cause a PHASE CHANGE • Heat of fusion • - Solid to Liquid

  7. Energy and Temperature

  8. Boat Fire Problem… • How much energy is required to elevate the temperature of a 1000 gallons of water from 60° F to 212° F and then to vaporize it to steam? 1 Gallon = 0.00379 m

  9. Boat Problem How much energy is required to elevate the temperature of a 1000 gallons of water from 60° F to 212° F and then to vaporize it to steam? 1 Gallon = 0.00379 m

More Related