A metal of mass 1.5 kg was heated from 27oC to 47oC in 4 minutes by a boiling ring of 75 W rating. Calculate the specific heat capacity of the metal, (Neglect heat losses to the surrounding)

A metal of mass 1.5 kg was heated from 27^oC to 47^oC in 4 minutes by a boiling ring of 75 W rating. Calculate the specific heat capacity of the metal, (Neglect heat losses to the surrounding)

SchoolNGR Classroom

Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE

A 2.5 X10³J kg^-10C^-1
B 6.0 X10²J kg^-10C^-1
C 2.5 x 10²J kg^-10C^-1
D 1.4 X10²J kg^-10C^-1
E 1.0 x 10²J kg^-10C^-1

Correct Answer: Option B

Explanation:
I.Vt = mcθ; C =
I.Vt/mθ
=
75 x 4 x 60/1.5 x 20

= 6.0 X10²J kg^-10C^-1

Prev Current Next

Search SchoolNGR

A metal of mass 1.5 kg was heated from 27oC to 47oC in 4 minutes by a boiling ring of ...

Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE

Study Subjects

Stay Updated