Welcome

Anti Essays offers essay examples to help students with their essay writing.

Sign Up

Influecne Essay

  • Submitted by: alexander9712
  • on March 26, 2014
  • Category: Social Issues
  • Length: 2,429 words

Open Document

Below is an essay on "Influecne" from Anti Essays, your source for research papers, essays, and term paper examples.

Name : ____________________
CG : _______________
Name : ____________________
CG : _______________

-------------------------------------------------

2014 JC1 H2 Physics Bridging Course
Part 4: Specific heat capacity and Specific latent heat (Thermal Physics)

Learning Outcomes:

You’ll be able to
  (i) Define the terms heat capacity and specific heat capacity
  (ii) Recall and apply the relationship thermal energy = mass   specific heat capacity   temperature change
  (iii) Define the terms latent heat and specific latent heat
  (iv) Apply the relationship thermal energy = mass   specific latent heat to solve problems
  (v) Sketch and interpret a cooling curve


  A. Heat Capacity

Suppose we have two beakers of water, one containing 100 g and the other containing 1000 g. If we heat both beakers from 30 C to 60 C using the same heater, we will find that the 1000 g of water takes about ten times longer than 100 g of water to heat up. This means that 1000 g of water needs ten times the thermal energy required by 100 g of water to raise it to the same temperature. Therefore, 1000 g of water has ten times the heat capacity of 100 g of water.

Heat capacity is the amount of thermal energy required to raise the temperature of a body by 1 K (or 1 C). |

The above experiment also shows that the amount of thermal energy needed to raise the temperature of an object depends on the mass of the object.

The symbol for heat capacity is C. The units for heat capacity are J K-1 or J C-1.

We can express heat capacity C as

where Q = thermal energy absorbed in J,
= change in temperature in K or C.



Exercise 1
In a simple experiment, 100 g of water requires 12 600 J of thermal energy to raise it from 30C to
60 C.
  (a) Find the heat capacity of 100 g of water.

Given: Heat supplied, Q = 12 600 J
Temperature raised,   = 60 C – 30 C = 30 C.

Heat capacity for 100 g of water
C = Q/   = 420 J K-1...

Show More


  • Submitted by: alexander9712
  • on March 26, 2014
  • Category: Social Issues
  • Length: 2,429 words
  • Views: 123
  • Popularity Rank: 527364
  • 1 rating(s)

Citations

MLA Citation

"Influecne". Anti Essays. 14 Dec. 2018

<http://parimatchstavki7.com/free-essays/Influecne-599801.html>

APA Citation

Influecne. Anti Essays. Retrieved December 14, 2018, from the World Wide Web: http://parimatchstavki7.com/free-essays/Influecne-599801.html