Find the mass of glycerin if, when heated from a temperature of t1 = 10 C

Find the mass of glycerin if, when heated from a temperature of t1 = 10 C to a temperature of t2 = 15 degrees, it absorbed the amount of heat Q = 12kJ.

Problem data: t1 (initial temperature of taken glycerin) = 10 ºС; t2 (final temperature) = 15 ºС; Q (heat absorbed by glycerin) = 12 kJ (12 * 10 ^ 3 J).

Reference values: Cg (specific heat capacity of glycerol) = 2.43 kJ (2.43 * 10 ^ 3 J).

The mass of heated glycerin can be determined by the formula: Q = Cg * m * (t – t0), whence m = Q / (Cg * (t – t0)).

Let’s calculate: m = 12 * 10 ^ 3 / (2.43 * 10 ^ 3 * (15 – 10)) = 0.988 g ≈ 1 kg.

Answer: The mass of heated glycerin is 1 kilogram.