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Sagot :
77.78 kJ of energy is released when 1 mol of glucose is burned, 2802.5 kJ of energy is released.
What are moles?
A mole is defined as 6.02214076 ×[tex]10^{23}[/tex] of some chemical unit, be it atoms, molecules, ions, or others. The mole is a convenient unit to use because of the great number of atoms, molecules, or others in any substance.
Calculate the moles of 5.00g of glucose.
Given mass = 5.00g
The molar mass of glucose = 180.156 g/mol
[tex]Moles = \frac{mass}{molar \;mass}[/tex]
[tex]Moles = \frac{5.00g}{180.156 g/mol}[/tex]
Moles =0.02775372455
The quantity of energy released to a person by eating 5.00g of glucose in a candy.
0.02775372455 x 2802.5 kJ
77.77981305 kJ =77.78 kJ
Hence, 777.78 kJ of energy is released.
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