water has a heat of vaporization ( Hvap) of 44.01 kJ mol^-1 and boils at 100 C at sea level. What is the boiling point of water (in C to one decimal place) at the top of Mount Everest where the atmospheric pressure is only 34% as strong as the pressure at sea level
Thermochemistry
Thermochemistry can be considered as a branch of thermodynamics that deals with the connections between warmth, work, and various types of energy, formed because of different synthetic and actual cycles. Thermochemistry describes the energy changes that occur as a result of reactions or chemical changes in a substance.
Exergonic Reaction
The term exergonic is derived from the Greek word in which ‘ergon’ means work and exergonic means ‘work outside’. Exergonic reactions releases work energy. Exergonic reactions are different from exothermic reactions, the one that releases only heat energy during the course of the reaction. So, exothermic reaction is one type of exergonic reaction. Exergonic reaction releases work energy in different forms like heat, light or sound. For example, a glow stick releases light making that an exergonic reaction and not an exothermic reaction since no heat is released. Even endothermic reactions at very high temperature are exergonic.
water has a heat of vaporization ( Hvap) of 44.01 kJ mol^-1 and boils at 100 C at sea level. What is the boiling point of water (in C to one decimal place) at the top of Mount Everest where the atmospheric pressure is only 34% as strong as the pressure at sea level
Given: Normal boiling point of water = 100 oC
Heat of vaporization of water = 44.01 KJ/mol = 44010 J/mol.
And the pressure at the top of Mount Everest = 34 % of the pressure at sea level.
Assuming that the sea level pressure is P.
Hence the pressure at the top of Mount Everest = 34 % of the pressure at sea level = 0.34 P.
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