Recent content by kfa

  1. K

    Why substances can undergo sublimation and turn into gas?

    Why is is that certain substances, (example: solid carbon dioxide) can undergo sublimation and turn into gas without undergoing liquid form when heated? What is the general characteristics that enable certain substances to undergo sublimation? Is it possible to have a substance that can...
  2. K

    What is the relationship between electric charge and electrons?

    I'm currently doing electricity in my high school physics. What is the difference between 'negative electric charges' and 'electrons'?:confused:
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