The Methane Bomb !
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The Methane Bomb ! How to you mix oxygen and methane to make an EXPLOSION? PowerPoint PPT Presentation


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The Methane Bomb ! How to you mix oxygen and methane to make an EXPLOSION?. Balance the following equation: ___CH 4 + ______ O 2 === ____ CO 2 + ____H 2 O. Avagadro’s Law: Equal volume of two gases at the s ame temperature and pressure contain EQUAL n umbers of molecules.

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The Methane Bomb ! How to you mix oxygen and methane to make an EXPLOSION?

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The methane bomb how to you mix oxygen and methane to make an explosion

The Methane Bomb !

How to you mix

oxygen and methane

to make an

EXPLOSION?


The methane bomb how to you mix oxygen and methane to make an explosion

Balance the following equation:

___CH4 + ______O2 === ____ CO2 + ____H2O

Avagadro’s Law: Equal volume of two gases at the

same temperature and pressure contain EQUAL

numbers of molecules.

How should the volume of Oxygen gas compare with

the volume of Methane so neither gas is left over?


The methane bomb how to you mix oxygen and methane to make an explosion

Methane and

Oxygen 1:2

Methane

Methane and

Air 50-50


The methane bomb how to you mix oxygen and methane to make an explosion

Which one is pure methane?


The methane bomb how to you mix oxygen and methane to make an explosion

Lighting the bag of pure methane at the top of the bag.

Double click on movie to start.

(movies must be inserted into your ppt

Click for next page


The methane bomb how to you mix oxygen and methane to make an explosion

Methane is lighter than air…it only burns at the edges of the ball of rising methane taking

a longer time to burn and burns yellow indicating

incomplete combustion.


The methane bomb how to you mix oxygen and methane to make an explosion

Methane and air…notice the change in color and speed of burn.

Double click movie to start.

Click here for next page


The methane bomb how to you mix oxygen and methane to make an explosion

Incomplete combustion inside the bag needing

oxygen from the air to complete burning….

faster than the lst example.


The methane bomb how to you mix oxygen and methane to make an explosion

CH 4 + 2 O 2 == 2 H 2 O + CO 2

1volume methane to 2 volumes oxygen

Double click on movie to start.


The methane bomb how to you mix oxygen and methane to make an explosion

Twice the volume contains twice the number of molecules of oxygen as methane so complete combustion can occur within the bag and is much faster!

The explosion is quite loud…students should be at least

10 feet away….also there is possibility of hot plastic

if too close. Don’t expect to do it just once! The expense of having a large bottle and

regulator of oxygen is well worth its use during the

year.


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