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A piece of tin absorbs 2,500 J if heat, causing its temperature to rise from 20C to 80C. Calculate the mass of the tin sample
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Use Q = m c ΔT.
Given Q = 2500 J, ΔT = 80 − 20 = 60 K, and c (tin) ≈ 228 J·kg⁻¹·K⁻¹:
m = Q / (c ΔT) = 2500 / (228 × 60) ≈ 0.183 kg ≈ 183 g.
(Using c = 227–230 J·kg⁻¹·K⁻¹ gives essentially the same result.)
Given Q = 2500 J, ΔT = 80 − 20 = 60 K, and c (tin) ≈ 228 J·kg⁻¹·K⁻¹:
m = Q / (c ΔT) = 2500 / (228 × 60) ≈ 0.183 kg ≈ 183 g.
(Using c = 227–230 J·kg⁻¹·K⁻¹ gives essentially the same result.)
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