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 | Oh ok. I understand now. You may continue. | |
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| You need to also know that atoms and elements are simply rearranged into new combination to form a new substance. In a chemical reaction if it contains gas mass might decrease unless you put a stopper on the container/flask. | |
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| Why does it decrease tho?... | |
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| Because without stopper the gas can escape. And last thing you should know is a chemical reaction which involve combination of a substance with gases from air will increase the mass of the new substance produced. | |
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| Oh... Thank you very much bro, for the detailed but simple explaination. Now that I've understand this topic, I'm gonna survive my Chemistry test from Ms.Maryati. | |
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| No problem. Ask me if you still have a problem. i will surely answer you. | |
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