Question

Consider a glass of 157 mL of water at 25°C. Calculate the mass of ice at -15°C that must be added to cool the water to 10°C after thermal equilibrium is achieved. To find the mass of water use the density of water = 1.0 g/mL.
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Answer 1

Answer:

A glass of 157 ml of water at 25°c.

calculate the mass of ice at 15°c

cool water at 10°c after thermal equilibrium is achieved

find the mass of water

Relative density= density of metal/ density of water

density of water = 1.0 g/ml

relative density= 157 ml

density of metal= ?

density of metal= relative density* density of water

= 1.0*157

= 157

density of water= 1.0*157 kg/m^

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