This post is the list of PEKA experiments for SPM Chemistry Form 4 from Berry Berry Easy. Please familiarise with all these experiments from Form 4 Chemistry Chapter 2: The Structure of the Atom before conducting them so as to be better prepared. The list of experiments are as below:
Berry List of Chemistry Experiments (PEKA) Form 4 (Part 1)
Chapter 2 – The Structure of the Atom
List of PEKA experiments:
- Diffusion of particles in a gas, liquid and solid
- Rate of diffusion depends on the temperature
- Rate of diffusion depends on the mass of the gas particles
- Melting and freezing points of naphthalene, C10H8
Number | Activity 2.1 |
Pg. | 7 |
Title | Diffusion of particles in a gas, liquid and solid |
Aim | To investigate the diffusion of particles in a gas, liquid and solid |
Problem Statement | How diffusion does occur through solid, a liquid and gas? |
Hypothesis | Particles can diffuse through the spaces between the particles of a solid, a liquid and the gas. |
Apparatus | A. Diffusion in a gas
B. Diffusion in a liquid
C. Diffusion in a solid
|
Material | A. Diffusion in a gas
B. Diffusion in a liquid
C. Diffusion in a solid
|
Variables |
|
================================================
Number | Activity 2.2 |
Pg. | 8 |
Title | Rate of diffusion depends on the temperature |
Aim | To show that the rate of diffusion depends on the temperature |
Problem Statement | How does rate of diffusion depends on the temperature? |
Hypothesis | Higher temperature can increase the rate of diffusion |
Apparatus |
|
Material |
|
Variables |
|
Operational Definition | Higher temperature in water increases the particles to move faster and increases the rate of diffusion. / Higher temperature in water increases the kinetics energy than lower temperature in water. |
================================================
Number | Activity 2.3 |
Pg. | 9 |
Title | Rate of diffusion depends on the mass of the gas particles |
Aim | To show that the rate of diffusion depends on the mass of the gas particles |
Problem Statement | How does rate of diffusion depends on the mass of the gas particles? |
Hypothesis | Low molecular masses diffuse faster than those with high molecular masses |
Apparatus |
|
Material |
|
Variables |
|
Operational Definition | Gas with low molecular masses diffuse faster than those with high molecular masses. |
================================================
Number | Activity 2.4 |
Pg. | 9 |
Title | Melting and freezing points of naphthalene, C10H8 |
Aim | To determine the melting and freezing points of naphthalene, C10H8 |
Problem Statement | How does rate of diffusion depends on the mass of the gas particles? |
Hypothesis | The temperature of naphthalene, C10H8 increase during heating except at its melting and solidification points |
Apparatus |
|
Material |
|
Variables |
|
{ 12 comments… read them below or add one }
{ 1 trackback }