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One day while working the in lab, I decide to warm a cup of water to make some tea. I place the cup of water (250.0 ml.) on top of a ring clamp and light a Bunsen burner (which burns methane gas). I want to heat the water from 15.0°C to 40.0 C. 4. a. Determine the heat of combustion for methane. CH + 20 → Co, + 2H,O Given: Cu+ 2H CH AH - -74.87 kJ/mol + AH - -393.5kJ/mol H, + % O+ H,O AH = 285.8kJ/mol b. Determine how many grams of methane need to burn in order to warm the water.

One day while working the in lab, I decide to warm a cup of water to make some tea. I place the cup of water (250.0 ml.) on top of a ring clamp and light a Bunsen burner (which burns methane gas). I want to heat the water from 15.0°C to 40.0 C. 4. a. Determine the heat of combustion for methane. CH + 20 → Co, + 2H,O Given: Cu+ 2H CH AH - -74.87 kJ/mol + AH - -393.5kJ/mol H, + % O+ H,O AH = 285.8kJ/mol b. Determine how many grams of methane need to burn in order to warm the water.

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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One day while working the in lab, I decide to warm a cup of water to make some tea. I place the cup of water (250.0 ml) on top of a ring clamp and light a Bunsen burner (which burns methane gas). I want to heat the water from 15.0°C to 40.0°C. 4. Determine the heat of combustion for methane. a. CH + 20 → CO + 2H,O Given: C, + 2H + CH AH = -74.87 kJ/mol Ca + Oe + CO AH = -393.5kJ/mol 2g) H, + % O + H,O AH = -285.8kJ/mol b. Determine how many grams of methane need to burn in order to warm the water.
Transcribed Image Text:One day while working the in lab, I decide to warm a cup of water to make some tea. I place the cup of water (250.0 ml) on top of a ring clamp and light a Bunsen burner (which burns methane gas). I want to heat the water from 15.0°C to 40.0°C. 4. Determine the heat of combustion for methane. a. CH + 20 → CO + 2H,O Given: C, + 2H + CH AH = -74.87 kJ/mol Ca + Oe + CO AH = -393.5kJ/mol 2g) H, + % O + H,O AH = -285.8kJ/mol b. Determine how many grams of methane need to burn in order to warm the water.
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