Neco 2024 Physics Question 2

Practice objective / multiple choice question 2 from the 2024 Neco Physics examination.

Neco 2024 Physics Objective / Multiple Choice Medium Difficulty
Question 2 NECO • 2024 • PHYSICS • objective

A 120 g sample of water at \(80^{\circ}C\) is mixed with 80 g of ice at \(-10^{\circ}C\). Assuming the specific heat capacities are \(c_{water}=4.18\,\text{J g}^{-1}\text{K}^{-1}\) and \(c_{ice}=2.09\,\text{J g}^{-1}\text{K}^{-1}\), and the latent heat of fusion of water is \(L_f=334\,\text{J g}^{-1}\), the mixture reaches a uniform temperature above \(0^{\circ}C\). Determine the final equilibrium temperature.

Answer Options

Correct Answer A. 14.0 ^{\circ}C
B. 8.0 ^{\circ}C
C. 20.0 ^{\circ}C
D. 2.5 ^{\circ}C
Correct Answer
A
Correct Option:
14.0 ^{\circ}C

About This Question

This is Neco 2024 Physics Question 2. It is one of the objective questions from the 2024 Neco Physics examination.

Difficulty level: Medium .

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