Question

Equal mass samples of two pure substances that are initially solid are heated at a constant rate and allowed to melt. Their temperature as a function of time is recorded below 8 2 6 Substance A time (s) Substance B.

1. Is the melting point of substance A (a) greater than, (b) less than or (c) equal to the

melting point of substance B?

Explain your reasoning.

2. Is the specific heat of substance A in its solid state (a) greater than, less than, or (c)

equal to the specific heat of substance B in its solid state?

Explain your reasoning.

3. Is the latent heat of fusion of substance A (a) greater than, (b) less than or (c) equal to

the latent heat of fusion of substance B?

Explain your reasoning

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Answer #1

Mulk TA s0, e) greakr than n Secingthe ummey, bfore melk (b) left than 4

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