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16 October, 14:58

Problem

when you go camping and have a fire to roast marshmallows, what happen to the wood at the end of the night? it burns and we call this a chemical change. however the next morning there's less material in the fire pit than the night before. what happen to all the wood?

the problem that I have is that in a chemical reaction, is the mass of the product equal to the mass of the reactants? what do you think?

hypothesis :

+1
Answers (1)
  1. 16 October, 15:20
    0
    Mass of products equals mass of the reactants. If you build a campfire like this one, you start with a big pile of logs. As the fire burns, the pile of logs slowly shrinks. By the end of the evening, all that's left is a small pile of ashes.

    Explanation:

    i learned this in science before
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