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MMLU / A 25 g sample of a liquid was heated to 95 °C and then quickly transferred to an…

Problem

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question

A 25 g sample of a liquid was heated to 95 °C and then quickly transferred to an insulated container holding 100 g of water at 26 °C. The temperature of the mixture rose to reach a final temperature of 37 °C. Which of the following can be concluded?

choices

  1. The sample lost more heat energy than the water gained because the sample temperature changed more than the water temperature did.
  2. The final temperature is less than the average starting temperatures; therefore the equilibrium constant must be less than 1.
  3. The sample temperature changed more than the water temperature did; therefore the heat capacity of the sample must be greater than the heat capacity of the water.
  4. Even though the sample temperature changed more than the water temperature did, the sample lost the same amount of heat energy as the water gained to obey the law of conservation of energy.

subject

high_school_chemistry

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Source and history

task_id
4b1974bb-c279-5319-9ee9-566ccafb07bd
task_key
all--test--4b1974bb-c279-5319-9ee9-566ccafb07bd
task_revision_id
1
config / split
all / test

Official source

initial import