Recent content by Egbert

  1. E

    Half life chemistry help?

    By approximately what factor would the mass of a sample of copper-66 decrease in 51 minutes? The half-life of copper-66 is 5.10 minutes.
  2. E

    Chemistry help please?

    How many days does it take for 16g of palladium-103 to decay to 1.0g? The half-life of palladium-103 is 17 days.
  3. E

    Hi can you help me with my chemistry?

    By approximately what factor would the mass of a sample of copper-66 decrease in 51 minutes? The half-life of copper-66 is 5.10 minutes.
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