Colourful plastic reusable "ice cubes" are designed to prevent the "watering down" of beverages. If 5 cubes at -9.7°C are added to 365 mL of lemonade at 21.3°C, what is the final temperature of the lemonade (in °C) once thermal equilibrium is reached? Important information/assumptions: Assume that no heat is lost to the surroundings Each plastic cube has a mass of 90.7 g • The specific heat capacity of the plastic is 1670 J kg 1 K-1 The specific heat capacity of lemonade is 4.10 J g1°c-1 • The density of lemonade is 1.037 g/mL

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