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The minerals found in bones are deposited by living cells called
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Which of the following isotopes has the same number of neutrons as phosphorus-31?
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Chemistry, 23.06.2019 07:00, jaydenboi604
An unknown substance is a white solid at room temperature and has a melting point of 78 °c. which of the following substances is most likely to be the identity of the unknown sample?
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Compare how entropy changes for the following two systems:
System A: Two gases mix when the valve s...
Mathematics, 23.08.2019 02:20