Heat is added to a pure substance in a closed container at a constant rate. The figure shows a graph of the temperature of the substance as a function of time. If Lf = latent heat of fusion and L_v= latent heat of vaporization, what is the value of the ratio L_v/ Lf for this substance? A) 5.0 B) 4.5 C) 7.2 D) 3.5 E) 1.5

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The Answer of Heat is added to a pure substance in a closed container at a constant rate. The figure shows a graph of the temperature of the substance as a function of time. If Lf = latent heat of fusion and L_v= latent heat of vaporization, what is the value of the ratio L_v/ Lf for this substance? A) 5.0 B) 4.5 C) 7.2 D) 3.5 E) 1.5

Heat Is Added to a Pure Substance in a Closed