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State whether the following is true or false.
Heat capacity is a constant for a given substance.

  • A.True
  • B.False
  • C.True only at large scales
  • D.False only at small scales

Answer: B

It rises with temperature for most substances, which is why the tabulated correlations are polynomials. Treating it as constant is acceptable over a narrow range and misleading over a wide one. Polynomial coefficients are tabulated for this reason.

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