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Heat released by 0.025 mol of H3PO4 = 525 J
Heat released by 2 moles of H3PO4 = 2/0.025 x 525
= 42000 J
Hrxn = - heat released by 2 moles of H3PO4
= -42000 J = -42 kJ
Solution
Heat released by 0.025 mol of H3PO4 = 525 J
Heat released by 2 moles of H3PO4 = 2/0.025 x 525
= 42000 J
Hrxn = - heat released by 2 moles of H3PO4
= -42000 J = -42 kJ

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Heat released by 0.025 mol of H3PO4 = 525 JHeat released by 2 mole.pdf

  • 1. Heat released by 0.025 mol of H3PO4 = 525 J Heat released by 2 moles of H3PO4 = 2/0.025 x 525 = 42000 J Hrxn = - heat released by 2 moles of H3PO4 = -42000 J = -42 kJ Solution Heat released by 0.025 mol of H3PO4 = 525 J Heat released by 2 moles of H3PO4 = 2/0.025 x 525 = 42000 J Hrxn = - heat released by 2 moles of H3PO4 = -42000 J = -42 kJ