Lab #15- Fossil Fuels

Aim: To differentiate between the two types of flames produced by a Bunsen Burner.

Apparatus & Material: Bunsen burner, split, match/lighter and rubber tube.

Method: (Rewrite in past tense)

1. Obtain a Bunsen burner.

2. Attach the rubber tube to the gas tap and the Bunsen burner.

3. Close the air hole on the Bunsen burner and light it.

4. Observe the type of flame that is seen.

5. Open the air hole on the Bunsen burner slowly.

6. Observe the type of flame that is seen.

7. Record all observations including the sounds that are produced from both flames.

Diagram:

DIAGRAM SHOWING BUNSEN BURNER WITH FLAME

Results: (Describe what you observed in the experiment)

Discussion:

(Use the questions provided below to assist you in writing your discussion in paragraph format. DONOT write the questions in your lab book.)

1. What is a luminous and non-luminous flame?

2. Identify which flame was luminous and which flame was non-luminous in the experiment and explain why.

3. Which of the flames were hotter and which flame released soot, give reason for your answers.

Conclusion:

(State the outcome of the experiment based on the aim and give reason to support based on the results).

Prepared by: Mr. K. Waite