A substance starts out as a solid at temperature T0.
Heat is added at a constant rate. The temperature of the
substance is shown in the graph below. For the first n1
seconds the substance melts. From time n1 to time
n2 the substance is in the liquid state. The
temperature at time n2 is T = T0 +
n3 L/c, where L is the latent heat of fusion and c is the
specific heat capacity for the liquid state. L/c has the same units
of temperature as T0 and T.
what is n3? Note that n1 and n2
have the same units of time, and n3 is unitless.
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