Topic: Thermodynamics Question: 1. In a bomb calorimeter, 75.8 grams of a wax is burned completely with oxygen. The surrounding water, 250 grams, increases temperature from 24.3 °C to 68.2 °C. The specific heat of water is 4.18 J/g°C. What is the heat of combustion for wax in kJ per gram? You may assume all the energy transfers to the water.
Topic: Thermodynamics Question: 1. In a bomb calorimeter, 75.8 grams of a wax is burned completely with oxygen. The surrounding water, 250 grams, increases temperature from 24.3 °C to 68.2 °C. The specific heat of water is 4.18 J/g°C. What is the heat of combustion for wax in kJ per gram? You may assume all the energy transfers to the water.
General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter6: Thermochemisty
Section: Chapter Questions
Problem 6.69QP: You wish to heat water to make coffee. How much heat (in joules) must be used to raise the...
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1. In a bomb calorimeter, 75.8 grams of a wax is burned completely with oxygen. The surrounding water, 250 grams, increases temperature from 24.3 °C to 68.2 °C. The specific heat of water is 4.18 J/g°C. What is the heat of combustion for wax in kJ per gram? You may assume all the energy transfers to the water.
2. How many kJ of heat would be released if 47.60 grams of methane, CH4(g), is used to cook your hot dog?
CH4(g) + 2 O2(g) → CO2(g) + 2 H2O(g)
CH4(g); ∆Hf° = -74.8 kJ/mol
CO2(g); ∆Hf° = -393.5 kJ/mol
H2O(g); ∆Hf° = -241.8 kJ/mol
of heating required to bring -56 °C ice to 148 °C steam?
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