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(a) Two 50-g cubes are dropped into 200 g o water in a glass. If the water were initially at a temperature of 25ºC, and if the ice came directly from a freezer at – 15ºC, what is the final temperature of the drink? (b) if only one ice cube had been used in (a), what would be the final temperature of the drink? Neglect the heat capacity of the glass.

(a) Two 50-g  cubes are dropped into 200 g o water in a glass. If the water were initially at a temperature of 25ºC, and if the ice came directly from a freezer at – 15ºC, what is the final temperature of the drink? (b) if only one ice cube had been used in (a), what would be the final temperature of the drink? Neglect the heat capacity of the glass.

Grade:11

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