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Bioenergetics is the part of biochemistry concerned with the energy involved in making and breaking of chemical bonds in the molecules found in biological organisms. It can also be defined as the study of energy relationships and energy transformations in living organisms
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the water enters the radiator at 65 degrees and leaves at 63
SHC = Energy / (Mass x change in temp)
You can tell that from looking at the units - j/kg x degrees C
Reorganise the equation above to find m=??
The only thing you do not know in the equation is the mass.
The main Organ of gas exchange for human is lugs and the place in the lungs in which the gas exchange takes place is the Alveolus.
Hope i helped you, and thanks for asking.
many say silica particles are designed for applications requiring monodisperse inorganic spheres,
C6H1206+6O2->6CO2+6H2O (Glucose and oxygen make carbon dioxide and water.) The glucose comes from food or photosynthesis in plants and the oxygen from the air. The carbon dioxide is released into the atmosphere when we breathe out and the water is used in cells or released.
try to get all your revision done at least a week before your exams. that way you have extra time to sort out your problems and take a break. relax. breathe. its gonna be all right.