Find the amount of heat supplied to decrease the volume of an ice water mixture by 1 cm³ without any change in temperature.( ρ i c e \rho_{ice} ρ i ce = 0.9 ρ w a t e r \rho_{water} ρ w a t er , L i c e L_{ice} L i ce = 80 cal g⁻¹).
Physics · Thermodynamics
JEE Mains NEET

Question

Find the amount of heat supplied to decrease the volume of an ice water mixture by 1 cm³ without any change in temperature.( ρ i c e \rho_{ice} ρ i ce = 0.9 ρ w a t e r \rho_{water} ρ w a t er , L i c e L_{ice} L i ce = 80 cal g⁻¹).

Physics · Thermodynamics

G1 Physics · Accepted Answer

Apply energy conservation. Sensible heat is Q=mcΔT and phase-change heat is Q=mL. Heat lost by hotter parts equals heat gained by colder parts. Evaluating the given data/statements gives C: 720 cal. Therefore the correct answer is C.

Find the amount of heat supplied to decrease the volume of an ice water mixture by 1 cm³ without any change in temperature.( ρ i c e \rho_{ice} ρ i ce ​ = 0.9 ρ w a t e r \rho_{water} ρ w a t er ​ , L i c e L_{ice} L i ce ​ = 80 cal g⁻¹).

Find the amount of heat supplied to decrease the volume of an ice water mixture by 1 cm³ without any change in temperature.( ρ i c e \rho_{ice} ρ i ce = 0.9 ρ w a t e r \rho_{water} ρ w a t er , L i c e L_{ice} L i ce = 80 cal g⁻¹).