A bar person is asked to serve 200 mL of orange juice (density 1.25 g/ml, c = 1.77 kJ/kg K) at 8°C. The orange juice is initially at 12 °C and has to be cooled down by putting a number of steel cubes into the juice each of 45 g (c = 624 J/kg K) at 1°C. How many steel cubes should be put into the orange juice to reach the desired temperature?

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Chapter1: Chemical Foundations
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A bar person is asked to serve 200 mL of orange juice (density 1.25 g/ml, c = 1.77 kJ/kg K) at 8°C. The orange juice is initially at 12 °C and has to be cooled down by putting a number of steel cubes into the juice each of 45 g (c = 624 J/kg K) at 1°C. How many steel cubes should be put into the orange juice to reach the desired temperature? 

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