



def   lowerCAmelCase_				( __a			,					__a			,					__a	)  ->	float:







  """simple docstring"""





  return round(float(moles / volume	) * nfactor	)





def   lowerCAmelCase_				( __a			,					__a			,					__a	)  ->	float:







  """simple docstring"""





  return round(float((moles * 0.0_8_2_1 * temperature) / (volume)	)	)





def   lowerCAmelCase_				( __a			,					__a			,					__a	)  ->	float:







  """simple docstring"""





  return round(float((moles * 0.0_8_2_1 * temperature) / (pressure)	)	)





def   lowerCAmelCase_				( __a			,					__a			,					__a	)  ->	float:







  """simple docstring"""





  return round(float((pressure * volume) / (0.0_8_2_1 * moles)	)	)


if __name__ == "__main__":
     import doctest

     doctest.testmod()








from __future__ import annotations





def   lowerCAmelCase_				( __a			,					__a			,					__a			,					)  ->	tuple:







  """simple docstring"""





  if (electron_conc, hole_conc, intrinsic_conc).count(0	) != 1:
    raise ValueError("You cannot supply more or less than 2 values"	)
  elif electron_conc < 0:
    raise ValueError("Electron concentration cannot be negative in a semiconductor"	)
  elif hole_conc < 0:
    raise ValueError("Hole concentration cannot be negative in a semiconductor"	)
  elif intrinsic_conc < 0:
    raise ValueError(
        "Intrinsic concentration cannot be negative in a semiconductor"	)
  elif electron_conc == 0:
    return (
        "electron_conc",
        intrinsic_conc**2 / hole_conc,
    )
  elif hole_conc == 0:
    return (
        "hole_conc",
        intrinsic_conc**2 / electron_conc,
    )
  elif intrinsic_conc == 0:
    return (
        "intrinsic_conc",
        (electron_conc * hole_conc) ** 0.5,
    )
  else:
    return (-1, -1)


if __name__ == "__main__":
     import doctest

     doctest.testmod()

