Physics - Heat & Thermo Question with Solution | TestHub
PhysicsHeat & ThermoThermal ExpansionMedium2 minQB
PhysicsMediumsingle choice
10 g ice at -20°C is mixed with 10 g water at 50°C. Ice remaining is: .
Options:
Answer:
B
Solution:
Water cooling to 0°C releases 500 cal. Ice warming to 0°C uses 10 (0.5) (20) = 100 cal. The remaining 400 cal melts ice, so 5 g remains at 0°C.
Subject:PhysicsTopic:Heat & ThermoSubtopic:Thermal Expansion
⏱ 2mℹ️ Source: QB
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