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need last one which is in red

need last one which is in red

Chemistry for Engineering Students
Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter9: Energy And Chemistry
Section: Chapter Questions
Problem 9.102PAE: 9.102 A runner generates 418 kJ of energy per kilometer from the cellular oxidation of food. The...
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need last one which is in red
PRINTER VERSeON BACK Review Intelligent Tutoring Problem 03-04 A the beginning of the summer, the 20.0 m of water in a back yard swimming pool must be heated hrom 0.291 Cto 27.6 The heat ppled from a natural gas fired heater and the efficency of tranferng the heat from the combustion reaction to the water is 65% DCorrect What mass (in ka) of methane must be burmed to cause this temperature change i the water (The enthalpy of combustion of methana 80 mol) 1245.1 kg the tolerance in -2% INIH M SHOW ANSWER Attempts I of 3 used Canect The heater generotes 30.0 kW of power Hew tong (in hours) will the heating require? 1114.01 hours the tolerance s+%
Transcribed Image Text:PRINTER VERSeON BACK Review Intelligent Tutoring Problem 03-04 A the beginning of the summer, the 20.0 m of water in a back yard swimming pool must be heated hrom 0.291 Cto 27.6 The heat ppled from a natural gas fired heater and the efficency of tranferng the heat from the combustion reaction to the water is 65% DCorrect What mass (in ka) of methane must be burmed to cause this temperature change i the water (The enthalpy of combustion of methana 80 mol) 1245.1 kg the tolerance in -2% INIH M SHOW ANSWER Attempts I of 3 used Canect The heater generotes 30.0 kW of power Hew tong (in hours) will the heating require? 1114.01 hours the tolerance s+%
X Incorrect. Check that you used a consistent set of units, including those for the gas constant R. What volume of CO,(g) (in L), measured at 21°C and 1.01 bar will the heater generate in this time? 2.93e5 the tolerance S +/-2% SHOW HINT LINK TO TEXT
Transcribed Image Text:X Incorrect. Check that you used a consistent set of units, including those for the gas constant R. What volume of CO,(g) (in L), measured at 21°C and 1.01 bar will the heater generate in this time? 2.93e5 the tolerance S +/-2% SHOW HINT LINK TO TEXT
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