Input interpretation
![period 1 elements | molar heat of vaporization](../image_source/07202b1e8c9d644cc95b120fa5a3f01c.png)
period 1 elements | molar heat of vaporization
Results
![hydrogen | 0.452 kJ/mol (kilojoules per mole) helium | 0.083 kJ/mol (kilojoules per mole)](../image_source/ba62bec68eefa8f1c2b6c3be629c79b6.png)
hydrogen | 0.452 kJ/mol (kilojoules per mole) helium | 0.083 kJ/mol (kilojoules per mole)
![period 1 elements | molar heat of vaporization | 0.267 kJ/mol (kilojoules per mole) (median)](../image_source/5ba804f413fc82136c3b01148c8ba0df.png)
period 1 elements | molar heat of vaporization | 0.267 kJ/mol (kilojoules per mole) (median)
Relative values
![| visual | ratios | | comparisons helium | | 0.18 | 1 | 82% smaller hydrogen | | 1 | 5.4 | 440% larger](../image_source/12f058b1d310edfc91641d76b9153293.png)
| visual | ratios | | comparisons helium | | 0.18 | 1 | 82% smaller hydrogen | | 1 | 5.4 | 440% larger
Unit conversions for median molar heat of vaporization 0.267 kJ/mol
![267 J/mol (joules per mole)](../image_source/c3111944970d3730f51e3dad92147337.png)
267 J/mol (joules per mole)
![64 cal/mol (calories per mole)](../image_source/656ac4061052ab833e22c03bbc653784.png)
64 cal/mol (calories per mole)
![0.064 kcal/mol (thermochemical kilocalories per mole)](../image_source/97ae07c98079218699d82b5542d4acd0.png)
0.064 kcal/mol (thermochemical kilocalories per mole)