# Problem: A 0.500-L sample of 0.400 M Na2CO3 (aq) is added to 0.500 L of 0.400 M Ba(NO 3)2 (aq) in a calorimeter with a total heat capacity equal to 656 J•K –1 at a constant pressure of one bar. The temperature change is +1.25 K. Use these data to calculate the value of ΔH°rxn for the equation:

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A 0.500-L sample of 0.400 M Na2CO3 (aq) is added to 0.500 L of 0.400 M Ba(NO 3)2 (aq) in a calorimeter with a total heat capacity equal to 656 J•K –1 at a constant pressure of one bar. The temperature change is +1.25 K. Use these data to calculate the value of ΔH°rxn for the equation: Frequently Asked Questions

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Our tutors have indicated that to solve this problem you will need to apply the Thermochemical Equations concept. You can view video lessons to learn Thermochemical Equations. Or if you need more Thermochemical Equations practice, you can also practice Thermochemical Equations practice problems.

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