How much ice at 0 ∘ C must be mixed with 240 g water at 4 0 ∘ C so it just completely melts and final temperature is 0°C?

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PhysicsHeat & ThermoThermal ExpansionMedium2 minQB

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How much ice at $0^{\circ} C$ must be mixed with 240 g water at $4 0^{\circ} C$ so it just completely melts and final temperature is 0°C?

Answer:

Solution:

$Q = 240 (1) (40) = 9600 cal$ .

$m (80) = 9600. m = 120 g .$

Subject:PhysicsTopic:Heat & ThermoSubtopic:Thermal Expansion

⏱ 2mℹ️ Source: QB

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