Calculate Molar Specific Heat | Q=m*Cp*(change in temperature)

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SUMMARY

The discussion centers on calculating the molar specific heat using the equation Q = m * Cp * (change in temperature). Participants clarify that to find Cp, one must convert heat capacity per mass into heat capacity per mole by multiplying by the molar mass of the substance. Alternatively, one can calculate the number of moles from the given mass and solve for Cp directly. Both methods yield the same result for the molar specific heat.

PREREQUISITES
  • Understanding of the equation Q = m * Cp * (change in temperature)
  • Knowledge of molar mass and its calculation
  • Familiarity with units of heat capacity
  • Basic algebra for rearranging equations
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  • Learn about heat capacity and its relation to temperature changes
  • Study the concept of molar mass and its significance in thermodynamics
  • Explore unit conversions in thermodynamic calculations
  • Investigate practical applications of molar specific heat in chemistry
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Chemistry students, educators, and anyone involved in thermodynamic calculations or studying heat transfer in substances.

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Homework Statement



From Q=m*Cp*(change in temperature), they give me all but Cp, which I calculate, and they also give me a mass per mole of the substance. Now the next part of the problem asks for the molar specific heat of the substance, but the equation for this eludes me.

Homework Equations





The Attempt at a Solution

 
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So you've calculated the heat capacity per mass? Convert your heat capacity per mass into heat capacity per mol. Look at the units to see. You will just multiply your answer by the molar mass.

Or, do the calculation again, this time convert the mass given into moles

#moles = (mass in grams) / (molar mass in grams per mole)

and solve for Cp.

Either way.
 

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