A block of aluminium at is gently placed on a block of brass at on an insulated table

PHYSICS · Subjective · AP · Physics 2: Algebra-based · Thermodynamics · Thermodynamics

Problem

0.4\,\text{kg}

block of aluminium at

80^{\circ}\mathrm{C}

is gently placed on a

0.4\,\text{kg}

block of brass at

25^{\circ}\mathrm{C}

on an insulated table. Without doing any calculation, identify which block loses heat and briefly explain why.