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  1. Y

    Quick and easy Chemistry Question?

    Calculate the amount in moles, of 1) 46 g of water, H20 2) 128 g of copper (II) sulfate pentahydrate, CuSO4 5H20 Thank you
  2. Y

    Lower grade Biology question?

    What are 3 safety concerns for the following experiment? 1) pour sulfuric acid into the beaker until it reaches about 25 ml 2) add a small spatula of black copper oxide 3) carefully warm over a yellow bunsen burner flame... Stir with the glass rod until all copper oxide is dissolved 4) remove...
  3. Y

    Lower grade Biology question?

    Live vaccinations can NOT consist of? A) living micro-organisms B) an antiserum produced by chemists in a laboratory C) a non-virulent strain of the disease D) a living strain of a closely related disease? Thanks
  4. Y

    What do these lyrics mean??

    I'm not afraid to take a stand Everybody come take my hand thanx
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