Cálculos Y Resultados.docx

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Cálculos y resultados. Probeta con 100 ml de agua. T1 = T agua = 23 °C ρ agua, 23°C = .997296 g/ml ρ= m/v …ecn. 2.6.1 m = ρ*v … ecn. 2.6.2 m = (100ml)(.997296 g/ml) m1 = 99.7296g Probeta con 150 ml de agua. T2 = 60°C ρ agua, 60°C = .9832 g/ml m = ρ*v m = (0.9832 g/ml)(150 ml) m2 = 147.48 g T3 = 44°C Cp = 1 cal/g °C *Nota: Tómese notación de <> como <<Sn>>.

𝑘=

𝑚2 𝑠2 ∆𝑇2 ∆𝑇1

− 𝑚1 𝑠1 …ecn. 2.6.3

𝑐𝑎𝑙 ) (60°𝐶 − 44°𝐶) 𝑐𝑎𝑙 𝑔 °𝐶 − 99.7296𝑔 (1 ) 44°𝐶 − 23°𝐶 𝑔 °𝐶

(147.48 𝑔) (1 𝑘=

k = 12.6361 cal/°C Sólido (cobre). t = 10 min. T1 = 23 °C T2 = 100 °C T3 = 25°C 𝒔𝟐 =

(𝒎𝟏 𝒔𝟏 +𝒌)∆𝑻𝟏 𝒎𝟐 ∆𝑻𝟐

m2Cu = 30.0149 g

… ecn. 2.6.4

∆𝑻𝟏 = 𝑇3 − 𝑇1 …ecn. 2.6.5 ∆𝑻𝟐 = 𝑇2 − 𝑇3 …ecn. 2.6.6 𝒔𝟐 =

[(99.754 𝑔)(1)+12.6361](25°𝐶−23°𝐶) 30.0149𝑔(100°𝐶−25°𝐶)

𝑐𝑎𝑙

= .0287769 𝑔 °𝐶

Tabla 2.6.1 de resultados obtenidos Masa del agua a 23°C Masa del agua a 60 °C Conductividad térmica del (no me acuerdo del nombre alguien pongaseo pls) Capacidad calorífica del cobre

99.7296g 147.48 g 12.6361 cal/°C . 0287769

𝑐𝑎𝑙 𝑔 °𝐶

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