Some properties of potassium metal are summarized below: Normal melting point 63.5 °C Normal boiling point 765.7 °C Molar heat of fusion 2.334 kJ/mol Molar heat of vaporization 79.87 kJ/mol Specific heat of the solid 0.75 J/g °C a. Calculate the quantity of heat required to heat 6.08 g of potassium from 23.5 °C to 41.3 °C, in Joules. Heat J b. Calculate the quantity of heat required to melt 1.25 moles of potassium at its normal melting point, in kl. Heat = kj c. Calculate the quantity of heat required to vaporize 3.48 g of potassium at its normal boiling point, in kj. Heat = kj

Some properties of potassium metal are summarized below: Normal melting point 63.5 °C Normal boiling point 765.7 °C Molar heat of fusion 2.334 kJ/mol Molar heat of vaporization 79.87 kJ/mol Specific heat of the solid 0.75 J/g °C a. Calculate the quantity of heat required to heat 6.08 g of potassium from 23.5 °C to 41.3 °C, in Joules. Heat J b. Calculate the quantity of heat required to melt 1.25 moles of potassium at its normal melting point, in kl. Heat = kj c. Calculate the quantity of heat required to vaporize 3.48 g of potassium at its normal boiling point, in kj. Heat = kj

Introductory Chemistry: A Foundation

9th Edition

ISBN:9781337399425

Author:Steven S. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Donald J. DeCoste

Chapter14: Liquids And Solids

Section: Chapter Questions

Problem 67AP

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