When one glucose molecule breaks down, 200 kJ of energy is released.

When one glucose molecule breaks down, 200 kJ of energy is released. How much energy is released when you break down 200 g of glucose?

The molar mass (mass of one mole of a substance) of glucose is 180.11 g / mol. One mole of any substance contains 6.02 * 10 ^ 23 molecules. According to the initial data, 200 g of glucose is the amount of v = m / M = 200 / 180.11 = 1.11 mol. The number of molecules in 200 g, respectively, will be equal to 1.11 * 6.02 * 10 ^ 23 = 668 220 * 10 ^ 18 molecules. Now let’s calculate the amount of energy obtained during splitting: 668220 * 10 ^ 18 * 200 kJ = 133644 * 10 ^ 21 kJ.