  # A chemist carefully measures the amount of heat needed to raise the temperature of a 2.00kg sample of C2H2Cl2 from 6.3°C to 16.5°C. The experiment shows that ×2.25104J of heat are needed. What can the chemist report for the molar heat capacity of C2H2Cl2? Be sure your answer has the correct number of significant digits.

Question

A chemist carefully measures the amount of heat needed to raise the temperature of a 2.00kg sample of C2H2Cl2 from 6.3°C to 16.5°C. The experiment shows that ×2.25104J of heat are needed. What can the chemist report for the molar heat capacity of C2H2Cl2? Be sure your answer has the correct number of significant digits.

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Step 1

Given data

Mass of C2H2Cl2 = 2.0kg

Total heat = 2.25x104 J

Temperature difference = (16.5 - 6.3)°C

Step 2

The equation for heat needed help_outlineImage TranscriptioncloseQ=mcAT where m is the number of moles c is the molar heat capacity AT is the temperature change fullscreen
Step 3

No of moles of the substance provid...

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Tagged in

### Chemical Thermodynamics 