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A volcano erupts and pours 5.21 × 104 kg of 880°C lava into a 7°C mountain lake of mass 4.38 × 105 kg. The specific heat capacity of the lava is 0.810 J/g°C. What will the temperature of the lake be after the lava flow is finished? Assume that the heat lost by the lake to the surroundings is negligible while the lava is entering the lake.

A volcano erupts and pours 5.21 × 104 kg of 880°C lava into a 7°C mountain lake of mass 4.38 × 105 kg. The specific heat capacity of the lava is 0.810 J/g°C. What will the temperature of the lake be after the lava flow is finished? Assume that the heat lost by the lake to the surroundings is negligible while the lava is entering the lake.

Chemistry by OpenStax (2015-05-04)
Chemistry by OpenStax (2015-05-04)
1st Edition
ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Chapter5: Thermochemistry
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A volcano erupts and pours 5.21 × 104 kg of 880°C lava into a 7°C mountain lake of mass 4.38 × 105 kg. The specific heat capacity of the lava is 0.810 J/g°C. What will the temperature of the lake be after the lava flow is finished? Assume that the heat lost by the lake to the surroundings is negligible while the lava is entering the lake.
Transcribed Image Text:A volcano erupts and pours 5.21 × 104 kg of 880°C lava into a 7°C mountain lake of mass 4.38 × 105 kg. The specific heat capacity of the lava is 0.810 J/g°C. What will the temperature of the lake be after the lava flow is finished? Assume that the heat lost by the lake to the surroundings is negligible while the lava is entering the lake.
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