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Cheetos Combustion Assignment Data Collection Mass of the Cheetos Calorimeter and Measure of the Temperature and Volume of Water Trial NumberBefore Mass of Cheetos g 001g After Mass of Cheetos g 001gMass of Calorimeter g 001gVolume of Water mL 001mLTemperature of Water Before Heating 01Temperature of Water After Heating 01 147401227905000250910 Qualitative Observations 61558Cheetos are changing from orange to black in color as they are burned 61558The flames are coming out of the oxygen holes 61558Smoke is coming out of the oxygen holes Data Processing and Presentation Change in Temperature Tchange Tafter - Tbefore Tchange 910 - 250 Tchange 660 Change in Mass mchange mafter - mbefore mchange 474g - 012g mchange 462g Amount of Heat Gained By Water -let c be the specific heat capacity of water Heat mwater cwater 8710T Heat 5000g 4184jgC 660 Heat 13 80720J Amount of Heat Gained By Calorimeter -let c be the specific heat capacity for aluminum Heat mcalorimeter ccalorimeter 8710T Heat 2790g 0897jgC 66 Heat 1 6517358J Total Heat Gained Htotal Hcalorimeter Hwater Htotal 13 80720J 1 6517358J Htotal 15 45894J Conversion From Joules to Kilojoules 16 45894J x kJ 1643773J 155kJ Amount of Heat Gained from 50g of Cheetos -let x be the amount of heat gained from 50g of Cheetos 165kJ462g x kJ50g x 1677kJ Conclusion Conversion From Kilocalories to Kilojoules 290kilocalories 4184kilojoulekilocalorie 121103kilojoules Percentage Error Perror actual value - theoretical value theoretical value 100 Perror 1677kJ - 121103kJ 121 103kJ 100 Perror 861 Percent Efficiency Pefficiency 100 - Perror Pefficiency 100 - 861 Pefficiency 139 This lab was not very successful because the calorimeter was only 139
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