Chemistry
Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Concept explainers

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 …
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 energ…
Question

The heat of combustion (∆H) for propane (molar mass 44.11 g/mol) is -2222 kJ/mol. The heat generated from burning 1.085 g of propane is used to heat 575.0 g of water in a calorimeter. What is the change in temperature (°C) of the water? (The molar heat capacity of water is 75.38 J/mol･°C).

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