Some thing was dray of 2kg watery of 1kg and after baurn 3 kg
What is this??
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That means if you were to weigh a 2kg lump of Sulphur under water (i.e. WET) it would have an apparent weight of only 1kg. All things weigh more when they burn (oxygen gets added). ... If it combines with oxygen (atomic number 8) on a one-to-one basis, it will weigh 1 1/2 times as much, That means 2kg will weigh 3kg.
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