Question: 7) When solid phosphorus, P, reacts with gaseous chlorine, Cl2, it forms liquid phosphorus trichloride, PCl3. When 4.62 grams of phosphorus reacts with excess chlorine

7) When solid phosphorus, P, reacts with gaseous chlorine, Cl2, it forms liquid phosphorus trichloride, PCl3. When 4.62 grams of phosphorus reacts with excess chlorine at constant pressure 47.8kJ of heat is released to the surroundings. Write the thermochemical equation for this reaction, including the correct value for H for the reaction as you have written it

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