490 grams of copper pellets are removed from 150 ° C oven and immediately dropped into 650 mL of water in an insulated cup . The temperature of water raises 43 ° C then remains at that temperature . Calculate the following : a) Mass of water in kilograms   b) The heat energy removed from copper pellets in joules • ( Sp.Heat of copper is 385 J / Kg ° C )   c) The initial temperature of water degree celsius ( Sp.Heat of water = 4186 J / kg ° C )

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Human Metabolism

Being described as the most complicated machine ever encountered by humans, the human body and the cell metabolism is nothing less than a wonder. Metabolism is the set of life-sustaining chemical reactions within organisms.