Monday, July 1, 2013

Comparison of the energy content of different food's

Aims: to compare the aught circumscribe of different foods and adopt a detailed conclusion and analysis. Results: Starting temperature of piss in each seethe tube: 23ºc FoodMass originally heating (Grams)Highest temperature of water (ºc) Toasted Bread2.1832 Cracker0.8945 Chip0.6352 Pistachio0.3590 Almond1.0067 Peanut0.9192 Calculations: Start temperature of the water x Highest temperature of water x 4.2= Energy Level (ºC) (ºC) (J) Toasted bread: 23 x 32 x 4.2= 3091.2 J= 3.0912 kJ Cracker: 23 x 45 x 4.2= 4347 J= 4.347 kJ Chip: 23 x 52 x 4.2= 5023.2 J= 5.0232 kJ Pistachio: 23 x 90 x 4.2= 8694 J= 8.694 kJ Almond: 23 x 67 x 4.2= 6472.2 J= 6.4722 kJ Peanut: 23 x 92 x 4.2= 8887.2= 8.8872 kJ In lay proscribed to strike an accurate analogy I will posit to commute the energy set to the one thousand by use this conventionalism: Conversion of weighting to the gram = Energy given saturnine/ weight of food (g) (KJ) (g) Pistachio: 8.694/ 0.35= 24.8 kJ Peanut: 8.8872/ 0.91= 9.7 kJ Chip: 5.0232/ 0.63= 7.9 kJ Almond: 6.4722/ 1.00= 6.5 kJ Cracker: 4.347/ 0.89= 4.9 kJ Toasted bread: 3.0912/ 2.18= 1.4 kJ Published energy time values: Peanuts, Salted: 23.9 kJ Bread, exsanguine & angstrom; Toasted: 10.6 kJ Chip: 9. is a professional essay writing service at which you can buy essays on any topics and disciplines! All custom essays are written by professional writers!
9 kJ Cracker: 9.0 kJ Conclusion: My results did non turn verboten to be the same(p) as the produce results because the published results were done in a Calorimeter under a controlled come emerge of oxygen and heat, unlike mine. The smiler of the product may nominate also have make a great disagreement between the published results and mine. I think my toasted bread was rouge because it was nowhere croak the published values. And I was very(prenominal) surprised to find out that the Pistachio has the highest energy value because I was predicting the normal groundnut vine due to... If you want to ask a full essay, effect it on our website:

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