1. Calculate the mass in grams for a sample of Al that absorbs 1.70kJ when the temperature increases from 56 degree Celsius to 177 degree Celsius?
2. Given the vapor pressures of octane (a liquid component of gasoline) at various temperatures as (a)500 mmHg at temperature of 111°C, (b)400 mmHg at temperature of 104°C (c)700 mmHg at the temperature of 122°C, (d) 600 mmHg at the temperature of 117°C, (e)760 mmHg at the temperature of 125°C; Determine the boiling point of octane in Colorado, Leadville where the atmospheric pressure was found 496 mmHg.