What will be the equilibrium temperature when a 245 g block of copper at 255 °C is placed in a 155 g aluminum calorimeter cup containing 875 g of water at 13.0°C?
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390 J/kg C, for aluminun is 900 J/kg-C.
and for water is 4186 J/kg-C
Part A
What will be the equilibrium temperature when a 245 g block of copper at
255 °C is placed in a 155 g aluminum calorimeter cup containing 875 g of
water at 13.0°C?
Express your answer using three significant figures.
15. ΑΣΦΑ
T-30.4
?"
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- A 6.25 kg block ice at 0 degrees Celsius is being warmed on a glass stove top. The thermal conductivity of the glass is 1.00 W/ (m K) and the glass is 0.50 cm thick. If the radiator plate underneath the glass raises the temperature of the bottom of the glass to 125 degrees Celsius, how long would it take to completely melt the ice? Assume the ice remains a solid rectangle with a square base of side 15 cm as it melts. B. What is the rate of entropy change in Joules/ Kelvin/ seconds of the melting ice?The world's deepest gold mine, which is located in South Africa, is over 5.1 km deep. Every day, the mine transfers enough energy by heat to the mine's cooling systems to melt 348114 kg of ice at 0.0 degrees Celsius. If the energy output from the mine is increased by 9.6 percent, to what final temperature will the 348114 kg of ice-cold water be heated? Latent Heat of fusion of Ice-3.33 × 105 J/kg Specific heat capacity of Water = 4186J/(kg. °C)The value of specific heat for copper is 390 J/kg⋅∘C, for aluminum is 900 J/kg⋅∘C, and for water is 4186 J/kg⋅∘C. What will be the equilibrium temperature when a 265 g block of copper at 255 ∘C is placed in a 155 g aluminum calorimeter cup containing 815 g of water at 15.0 ∘C?
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