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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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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% |
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