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daniceko

  • 2 years ago

Please check my answers on 3 questions for a chem practice packet ill give medal :)

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  1. daniceko
    • 2 years ago
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    @FirstFrostByte can u help

  2. FirstFrostByte
    • 2 years ago
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    Sorry I don't know this.

  3. daniceko
    • 2 years ago
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    oh ok

  4. dx13
    • 2 years ago
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    9 is ic 15 is oxygen and 21 is Al must be above H in th activity series

  5. daniceko
    • 2 years ago
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    Are you positive not to doubt u

  6. dx13
    • 2 years ago
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    its fine and yes because 9 I just remember 15 oxygn is the only one thats a gas and 21 is because they could not react if H were above Al in the actitivty series so the precipitate is irrelevant if they cannot react

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