Solution of Problem 285 of the Collection on General Ch
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285. Determine the standard enthalpy (ΔHº298) of the formation of PH3, starting from the equation:
2PH3 (g) + 4O2 (g) = P2O5 (k) + 4H2O (g.) ΔHº = -2360 kJ
2PH3 (g) + 4O2 (g) = P2O5 (k) + 4H2O (g.) ΔHº = -2360 kJ
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Solution of Problem 285 of the Collection on General Ch
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Cumulative discount
| 200 $ | the discount is 15% |
| 100 $ | the discount is 10% |
| 50 $ | the discount is 7% |
| 20 $ | the discount is 5% |
| 10 $ | the discount is 3% |
| 5 $ | the discount is 2% |
| 1 $ | the discount is 1% |
Check your discount
Amount of purchases from the seller: $
Your discount: %