For a temperature of 40F, what are the corresponding temperatures ...

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For a temperature of 40F, what are the corresponding temperatures on the
 a. Celsius scale?
  b. Kelvin scale?

Question 2

It is often possible to use the atomic masses when calculating the binding energy of a nucleus. The reason for this is
 a. the electron masses do not cancel.
  b. the electron masses cancel.
  c. tables of nuclear masses are usually not available.
  d. the mass of the electron can usually be neglected when compared to the mass of the neutron.
  e. the atomic masses are the same as the nuclear masses.

[frankwu0507]

Answer to Question 1

a. 40C
b. 233.15 K

Answer to Question 2

b