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Water is formed.

When hydrogen and oxygen gases are mixed, nothing happens, until a flame is put into the mixture. Whereupon there is a 'pop' and water is formed.

Here is the BALANCED reaction eq'n

2H2(g) + O(g) = 2H2O(l)

The 'pop' test is a classic lab. test for hydrogen .

If the gases are mixed in large quantities, then the 'pop' becomes an explosion.

NB

Fill two balloons , one with hydrogen and the other with helium. With a piece of string allow then to float in the air/room.

Put a lighted taper to the helium filled balloon. It will just pop and fall to the ground.

Put a lighted taper to the hydrogen filled balloon. It will pop with a flash of flame and a loud bang.

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lenpollock

Lvl 17
1w ago

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