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The 4 in 4H2 stand for "4" molecules in that equation, unless specified as being moles.

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It means 4 molecules of diatomic hydrogen.

Q: What does the big 4 in 4H2 means?

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It is an exponent and means that the number is to be raised by that power as foe example 43 means 4*4*4 = 64

it means halfs

Decipher.

The 4 means how many wins you have. The 0 means how many losses you have.

4 means: The World at Work or Earth

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H2 is the molecule of two Hydrogen atoms. The 4 means that there are 4 of the molecules. ■

The meaning of 4 H2 is four molecules of hydrogen.

white oval with a 4I

O2 +4H2--> 2H2O

It is an exponent and means that the number is to be raised by that power as foe example 43 means 4*4*4 = 64

2Ag20 --> 4Ag + 02 Fe304 + 4H2 --> 4H20 + CuCl2

4H2 + N2 --> 2H4N+

I'm sure you can figure out this word problem. It means what is 4 X 3 = ?

2C+2H4=2CH4(instead of 'equal to' use 'arrow sign').

C6H12 + Cl2 --> C6H12Cl2

4

The word is "huge."