D. 5.0 g of water at 25°C is dropped onto a large block of ice at 0 °C. The water cools to 0 °C and some of the ice melts. Assume that all the energy lost by the water is gained by the ice. What is
the mass of ice that melts? The specific heat capacity of water is 4.2J/(g°C). The specific latent
heat of fusion of ice is 340J/g.

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Explanation:

54 degrees incident angle = reflected angle

angle is from normal turned to line of ray

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