Recent content by Sarah Parker

  1. S

    Please check AND CORRECT my answer to the question below which is about a...

    ...thermodynamical cycle? Consider a thermodynamic cycle, where 1: the pressure increases from P to 2P isovolumetrically. Then 2: the gas expands on the diagonal line. Then 3: the gas compresses from 2V to V isobarically. Consider the temperature at the point (P,V) to be T. There are n molecules...
  2. S

    How do i register my new vodafone sim card?

    i don't know what number to call to register it.
  3. S

    Does Vodafone Samsung E2550 have delivery reports?

    for text messaging
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